var graphs = {};
		
			$(document).ready(function() {
				
				dataset = [
					{
						label: 'Teplota (°C)',
						data: [[1594418401000,24.13333333],[1594418581000,23.96000000],[1594418881000,23.88000000],[1594419181000,23.66000000],[1594419481000,23.54000000],[1594419781000,23.38000000],[1594420081000,23.20000000],[1594420381000,23.04000000],[1594420681000,22.92000000],[1594420981000,22.78000000],[1594421281000,22.72000000],[1594421581000,22.72000000],[1594421881000,22.70000000],[1594422181000,22.66000000],[1594422481000,22.56000000],[1594422781000,22.50000000],[1594423081000,22.44000000],[1594423381000,22.36000000],[1594423681000,22.22000000],[1594423981000,22.00000000],[1594424281000,21.98000000],[1594424581000,21.92000000],[1594424881000,21.84000000],[1594425181000,21.84000000],[1594425481000,22.06000000],[1594425781000,22.60000000],[1594426081000,22.46000000],[1594426381000,22.28000000],[1594426681000,22.12000000],[1594426981000,21.96000000],[1594427281000,21.76000000],[1594427581000,21.54000000],[1594427881000,21.40000000],[1594428181000,21.24000000],[1594428481000,21.08000000],[1594428781000,20.88000000],[1594429081000,20.72000000],[1594429381000,20.56000000],[1594429681000,20.54000000],[1594429981000,20.40000000],[1594430281000,20.16000000],[1594430581000,19.84000000],[1594430881000,19.56000000],[1594431181000,19.46000000],[1594431481000,19.46000000],[1594431781000,19.50000000],[1594432081000,19.48000000],[1594432381000,19.38000000],[1594432681000,19.44000000],[1594432981000,19.50000000],[1594433281000,19.64000000],[1594433581000,19.80000000],[1594433881000,19.82000000],[1594434182000,19.68000000],[1594434481000,19.66000000],[1594434781000,19.70000000],[1594435081000,19.36000000],[1594435381000,19.16000000],[1594435681000,19.10000000],[1594435981000,19.26000000],[1594436281000,19.32000000],[1594436581000,19.30000000],[1594436881000,19.26000000],[1594437181000,19.28000000],[1594437481000,19.30000000],[1594437781000,19.32000000],[1594438081000,19.54000000],[1594438381000,19.72000000],[1594438681000,19.92000000],[1594438981000,20.00000000],[1594439281000,20.00000000],[1594439581000,20.02000000],[1594439881000,20.12000000],[1594440181000,20.36000000],[1594440481000,20.40000000],[1594440781000,20.62000000],[1594441081000,20.98000000],[1594441381000,21.18000000],[1594441681000,21.30000000],[1594441981000,21.44000000],[1594442281000,21.60000000],[1594442581000,21.68000000],[1594442881000,21.90000000],[1594443181000,22.04000000],[1594443481000,22.12000000],[1594443781000,22.44000000],[1594444081000,22.44000000],[1594444381000,22.02000000],[1594444681000,21.52000000],[1594444981000,21.22000000],[1594445281000,21.06000000],[1594445581000,21.12000000],[1594445881000,21.84000000],[1594446181000,22.62000000],[1594446481000,23.00000000],[1594446781000,23.14000000],[1594447081000,23.40000000],[1594447381000,23.46000000],[1594447681000,23.72000000],[1594447982000,24.08000000],[1594448281000,24.14000000],[1594448581000,24.22000000],[1594448881000,24.04000000],[1594449181000,23.56000000],[1594449481000,23.56000000],[1594449781000,23.36000000],[1594450081000,23.44000000],[1594450381000,23.96000000],[1594450682000,24.54000000],[1594450981000,25.20000000],[1594451281000,25.80000000],[1594451581000,25.74000000],[1594451881000,25.18000000],[1594452181000,25.36000000],[1594452481000,25.46000000],[1594452781000,25.38000000],[1594453081000,25.88000000],[1594453381000,25.96000000],[1594453681000,26.20000000],[1594453981000,25.46000000],[1594454281000,25.44000000],[1594454581000,25.48000000],[1594454881000,25.18000000],[1594455181000,25.38000000],[1594455481000,25.04000000],[1594455781000,25.10000000],[1594456081000,25.32000000],[1594456381000,25.30000000],[1594456681000,25.30000000],[1594456981000,25.76000000],[1594457281000,26.06000000],[1594457581000,25.82000000],[1594457881000,25.02000000],[1594458181000,24.82000000],[1594458481000,25.26000000],[1594458781000,24.80000000],[1594459081000,23.84000000],[1594459381000,24.22000000],[1594459681000,24.42000000],[1594459982000,24.42000000],[1594460281000,24.26000000],[1594460581000,24.42000000],[1594460881000,24.48000000],[1594461181000,24.64000000],[1594461482000,24.72000000],[1594461781000,24.52000000],[1594462081000,24.16000000],[1594462381000,24.56000000],[1594462681000,23.70000000],[1594462981000,23.44000000],[1594463281000,23.16000000],[1594463581000,23.18000000],[1594463881000,23.10000000],[1594464181000,23.26000000],[1594464481000,22.84000000],[1594464781000,22.20000000],[1594465082000,21.50000000],[1594465381000,21.48000000],[1594465681000,21.14000000],[1594465981000,20.74000000],[1594466281000,20.40000000],[1594466581000,20.16000000],[1594466881000,19.74000000],[1594467181000,19.48000000],[1594467481000,18.96000000],[1594467781000,18.66000000],[1594468081000,18.36000000],[1594468381000,18.26000000],[1594468681000,18.12000000],[1594468981000,17.96000000],[1594469281000,17.78000000],[1594469581000,17.68000000],[1594469881000,17.60000000],[1594470181000,17.58000000],[1594470481000,17.66000000],[1594470781000,17.60000000],[1594471081000,17.64000000],[1594471381000,17.60000000],[1594471681000,17.22000000],[1594471981000,17.06000000],[1594472281000,17.00000000],[1594472581000,17.00000000],[1594472881000,17.06000000],[1594473181000,17.22000000],[1594473481000,17.30000000],[1594473781000,17.40000000],[1594474081000,17.44000000],[1594474381000,17.62000000],[1594474681000,17.76000000],[1594474981000,17.70000000],[1594475281000,17.62000000],[1594475581000,17.56000000],[1594475881000,17.60000000],[1594476181000,17.60000000],[1594476481000,17.60000000],[1594476782000,17.62000000],[1594477081000,17.34000000],[1594477381000,17.26000000],[1594477681000,17.10000000],[1594477981000,17.06000000],[1594478281000,16.98000000],[1594478581000,16.76000000],[1594478881000,16.54000000],[1594479181000,16.50000000],[1594479481000,16.50000000],[1594479781000,16.50000000],[1594480081000,16.44000000],[1594480381000,16.26000000],[1594480681000,16.04000000],[1594480981000,15.92000000],[1594481281000,15.76000000],[1594481581000,15.66000000],[1594481881000,15.50000000],[1594482181000,15.42000000],[1594482481000,15.30000000],[1594482781000,15.22000000],[1594483081000,15.20000000],[1594483381000,15.20000000],[1594483681000,15.12000000],[1594483981000,15.00000000],[1594484281000,14.94000000],[1594484581000,14.88000000],[1594484881000,14.78000000],[1594485181000,14.66000000],[1594485481000,14.60000000],[1594485781000,14.52000000],[1594486081000,14.52000000],[1594486381000,14.46000000],[1594486681000,14.46000000],[1594486981000,14.44000000],[1594487281000,14.32000000],[1594487581000,14.30000000],[1594487881000,14.16000000],[1594488181000,14.08000000],[1594488481000,14.06000000],[1594488781000,14.00000000],[1594489081000,13.98000000],[1594489381000,13.90000000],[1594489681000,13.90000000],[1594489981000,13.96000000],[1594490281000,13.90000000],[1594490581000,13.80000000],[1594490881000,13.72000000],[1594491181000,13.70000000],[1594491481000,13.70000000],[1594491781000,13.62000000],[1594492081000,13.60000000],[1594492381000,13.56000000],[1594492681000,13.58000000],[1594492981000,13.56000000],[1594493281000,13.54000000],[1594493581000,13.56000000],[1594493881000,13.56000000],[1594494182000,13.50000000],[1594494481000,13.42000000],[1594494781000,13.40000000],[1594495081000,13.46000000],[1594495381000,13.40000000],[1594495681000,13.44000000],[1594495981000,13.40000000],[1594496281000,13.42000000],[1594496581000,13.32000000],[1594496881000,13.20000000],[1594497181000,13.12000000],[1594497481000,13.04000000],[1594497781000,13.00000000],[1594498081000,13.00000000],[1594498381000,13.00000000],[1594498681000,12.94000000],[1594498981000,12.90000000],[1594499281000,12.96000000],[1594499581000,13.08000000],[1594499881000,13.12000000],[1594500181000,13.12000000],[1594500481000,13.12000000],[1594500781000,13.24000000],[1594501081000,13.32000000],[1594501381000,13.40000000],[1594501681000,13.40000000],[1594501981000,13.38000000],[1594502281000,13.40000000],[1594502581000,13.42000000],[1594502881000,13.58000000],[1594503181000,13.60000000],[1594503481000,13.68000000],[1594503781000,13.56000000],[1594504081000,13.40000000],[1594504381000,13.24000000],[1594504681000,13.20000000],],
						color: '#d6212a'
					},
					{
						label: 'Rosný bod (°C)',
						data: [],
						color: '#5b9f4a'
					}

				];

				var options = {				
					xaxes: [{
						axisLabel: 'temperature',
					}],		
					points: {
						show: false
					},
					lines: { 
						show: true,
						lineWidth: 2,
						fill: false, 
					},
					xaxis: {
						mode: 'time',
						minTickSize: [1, 'hour'],
						timeformat: '%d.%m.\, %H:%M',
						timezone: 'browser',
					},
					grid: { 
						hoverable: true, 
						clickable: true, 
						borderWidth: 0, 		
					},
					tooltip: {
						show: true,
						content: '%x - %y.1°C'
					},
					crosshair: {
						mode: 'x'
					},
					legend: { 
						show: true,
						container: '#chart-temperature-legend'
					}										
				};

				graphs['#chart-temperature'] = $.plot('#chart-temperature', dataset, options);
			});
		
				$(document).ready(function() {
					
					dataset = [
						{
							label: 'Rýchlosť vetra (km/h)',
							data: [[1594472821000,4.32],[1594472881000,13.248],[1594473181000,14.472],[1594473481000,13.392],[1594473781000,8.208],[1594474081000,9.144],[1594474381000,9.576],[1594474681000,10.152],[1594474981000,12.672],[1594475281000,8.928],[1594475581000,6.048],[1594475881000,8.28],[1594476181000,9.864],[1594476481000,10.656],[1594476781000,14.472],[1594477081000,16.704],[1594477381000,17.064],[1594477681000,12.672],[1594477981000,7.848],[1594478281000,12.744],[1594478581000,11.448],[1594478881000,10.872],[1594479181000,13.824],[1594479481000,9.648],[1594479781000,8.064],[1594480081000,8.136],[1594480381000,8.712],[1594480681000,4.464],[1594480981000,3.96],[1594481281000,5.904],[1594481581000,8.064],[1594481881000,5.256],[1594482181000,5.688],[1594482481000,6.408],[1594482781000,5.616],[1594483081000,3.672],[1594483381000,4.536],[1594483681000,5.112],[1594483981000,5.904],[1594484281000,5.976],[1594484581000,4.32],[1594484881000,6.336],[1594485181000,8.496],[1594485481000,7.992],[1594485781000,5.832],[1594486081000,3.528],[1594486381000,3.168],[1594486681000,3.384],[1594486981000,8.064],[1594487281000,8.352],[1594487581000,8.712],[1594487881000,7.848],[1594488181000,8.64],[1594488481000,6.264],[1594488781000,6.408],[1594489081000,7.416],[1594489381000,5.616],[1594489681000,5.544],[1594489981000,1.8],[1594490281000,5.688],[1594490581000,5.976],[1594490881000,7.056],[1594491181000,9.72],[1594491481000,7.488],[1594491781000,8.28],[1594492081000,6.624],[1594492381000,6.84],[1594492681000,8.208],[1594492981000,11.88],[1594493281000,9.288],[1594493581000,6.408],[1594493881000,7.56],[1594494181000,15.912],[1594494481000,5.328],[1594494781000,3.096],[1594495081000,9],[1594495381000,5.184],[1594495681000,7.488],[1594495981000,6.336],[1594496281000,7.848],[1594496581000,7.704],[1594496881000,5.472],[1594497181000,5.256],[1594497481000,4.68],[1594497781000,4.32],[1594498081000,5.616],[1594498381000,1.728],[1594498681000,2.52],[1594498981000,5.328],[1594499281000,6.624],[1594499581000,5.976],[1594499881000,6.408],[1594500181000,7.776],[1594500481000,13.104],[1594500781000,12.312],[1594501081000,15.264],[1594501381000,18.144],[1594501681000,12.816],[1594501981000,10.872],[1594502281000,10.44],[1594502581000,9.288],[1594502881000,12.384],[1594503181000,15.624],[1594503481000,18.216],[1594503781000,15.192],[1594504081000,12.96],[1594504381000,15.984],[1594504681000,13.14],],
							color: '#002f80',
							points: {
								show: false
							},
							lines: { 
								show: true,
								lineWidth: 2,
								fill: false, 
							},
						},
						{
							label: 'Náraz vetra (km/h)',
							data: [[1594472821000,7.0812],[1594472881000,22.1364],[1594473181000,24.59592],[1594473481000,22.1076],[1594473781000,13.41504],[1594474081000,14.76432],[1594474381000,15.70752],[1594474681000,17.13168],[1594474981000,20.80224],[1594475281000,14.796],[1594475581000,9.76032],[1594475881000,13.69152],[1594476181000,15.94584],[1594476481000,17.59176],[1594476781000,24.71112],[1594477081000,28.6704],[1594477381000,30.1896],[1594477681000,21.10752],[1594477981000,12.70296],[1594478281000,20.92896],[1594478581000,18.7992],[1594478881000,17.86536],[1594479181000,23.99112],[1594479481000,15.40872],[1594479781000,13.1256],[1594480081000,13.3164],[1594480381000,14.2416],[1594480681000,7.38216],[1594480981000,6.35904],[1594481281000,9.40392],[1594481581000,12.97872],[1594481881000,8.36856],[1594482181000,9.04752],[1594482481000,10.09368],[1594482781000,8.70768],[1594483081000,5.53104],[1594483381000,7.00848],[1594483681000,7.95096],[1594483981000,9.45216],[1594484281000,9.576],[1594484581000,6.73704],[1594484881000,10.3176],[1594485181000,13.55688],[1594485481000,12.64032],[1594485781000,9.39384],[1594486081000,5.50224],[1594486381000,5.02344],[1594486681000,5.17392],[1594486981000,12.8412],[1594487281000,12.99096],[1594487581000,13.88952],[1594487881000,12.68208],[1594488181000,14.51376],[1594488481000,10.14696],[1594488781000,10.3212],[1594489081000,12.1536],[1594489381000,9.13248],[1594489681000,8.76816],[1594489981000,2.85624],[1594490281000,8.87472],[1594490581000,9.33408],[1594490881000,11.53224],[1594491181000,16.2324],[1594491481000,12.47256],[1594491781000,13.518],[1594492081000,10.90224],[1594492381000,11.09088],[1594492681000,13.50648],[1594492981000,20.0988],[1594493281000,15.28272],[1594493581000,10.0116],[1594493881000,12.15864],[1594494181000,25.80048],[1594494481000,8.3952],[1594494781000,4.85712],[1594495081000,14.46192],[1594495381000,7.9416],[1594495681000,12.0924],[1594495981000,10.05408],[1594496281000,12.74328],[1594496581000,12.6684],[1594496881000,8.59968],[1594497181000,8.66232],[1594497481000,7.45488],[1594497781000,7.02],[1594498081000,8.98704],[1594498381000,2.52504],[1594498681000,3.906],[1594498981000,8.6148],[1594499281000,10.60992],[1594499581000,9.4356],[1594499881000,10.09584],[1594500181000,12.87288],[1594500481000,22.52952],[1594500781000,21.07944],[1594501081000,26.7408],[1594501381000,31.17024],[1594501681000,22.14144],[1594501981000,18.49248],[1594502281000,17.3484],[1594502581000,15.67872],[1594502881000,20.81808],[1594503181000,27.63504],[1594503481000,31.67496],[1594503781000,26.63352],[1594504081000,22.13352],[1594504381000,27.2484],[1594504681000,22.0194],],
							color: '#EF9856',
							points: {
								show: true
							},
							lines: { 
								show: false
							},
						}
					];

					var options = {				
						xaxes: [{
							axisLabel: 'wind',
						}],		
						
						xaxis: {
							mode: 'time',
							minTickSize: [1, 'hour'],
							timeformat: '%d.%m.\, %H:%M',
							timezone: 'browser',
						},
						grid: { 
							hoverable: true, 
							clickable: true, 
							borderWidth: 0, 		
						},
						tooltip: {
							show: true,
							content: '%x - %y.1km/h'
						},
						crosshair: {
							mode: 'x'
						},
						legend: { 
							show: true,
							container: '#chart-wind-legend'
						}										
					};

					graphs['#chart-wind'] = $.plot('#chart-wind', dataset, options);
				});
			
				$(document).ready(function() {
					
					dataset = [
						{
							label: 'Smer vetra',
							data: [[1594472821000,88.00000000],[1594472881000,95.74000000],[1594473181000,73.66000000],[1594473481000,60.96000000],[1594473781000,60.96000000],[1594474081000,42.14000000],[1594474381000,52.78000000],[1594474681000,43.78000000],[1594474981000,42.54000000],[1594475281000,51.52000000],[1594475581000,70.36000000],[1594475881000,52.36000000],[1594476181000,56.06000000],[1594476481000,75.68000000],[1594476781000,47.44000000],[1594477081000,44.18000000],[1594477381000,56.84000000],[1594477681000,40.90000000],[1594477981000,31.08000000],[1594478281000,49.52000000],[1594478581000,49.48000000],[1594478881000,43.78000000],[1594479181000,31.90000000],[1594479481000,40.08000000],[1594479781000,92.06000000],[1594480081000,114.14000000],[1594480381000,47.44000000],[1594480681000,42.56000000],[1594480981000,75.68000000],[1594481281000,26.98000000],[1594481581000,132.96000000],[1594481881000,52.36000000],[1594482181000,34.76000000],[1594482481000,30.70000000],[1594482781000,53.18000000],[1594483081000,47.44000000],[1594483381000,268.38000000],[1594483681000,91.22000000],[1594483981000,48.68000000],[1594484281000,67.90000000],[1594484581000,56.46000000],[1594484881000,40.50000000],[1594485181000,25.78000000],[1594485481000,31.48000000],[1594485781000,49.08000000],[1594486081000,33.12000000],[1594486381000,36.40000000],[1594486681000,84.28000000],[1594486981000,250.36000000],[1594487281000,244.64000000],[1594487581000,261.40000000],[1594487881000,97.80000000],[1594488181000,66.26000000],[1594488481000,80.22000000],[1594488781000,78.94000000],[1594489081000,91.22000000],[1594489381000,114.96000000],[1594489681000,54.42000000],[1594489981000,15.96000000],[1594490281000,62.18000000],[1594490581000,44.60000000],[1594490881000,57.28000000],[1594491181000,128.86000000],[1594491481000,92.86000000],[1594491781000,123.10000000],[1594492081000,89.98000000],[1594492381000,139.48000000],[1594492681000,121.10000000],[1594492981000,170.60000000],[1594493281000,89.60000000],[1594493581000,28.22000000],[1594493881000,59.32000000],[1594494181000,225.84000000],[1594494481000,50.74000000],[1594494781000,60.52000000],[1594495081000,276.94000000],[1594495381000,294.54000000],[1594495681000,210.28000000],[1594495981000,54.82000000],[1594496281000,107.58000000],[1594496581000,45.40000000],[1594496881000,57.26000000],[1594497181000,87.54000000],[1594497481000,58.08000000],[1594497781000,49.06000000],[1594498081000,74.08000000],[1594498381000,143.18000000],[1594498681000,69.16000000],[1594498981000,97.78000000],[1594499281000,83.46000000],[1594499581000,32.32000000],[1594499881000,36.80000000],[1594500181000,44.16000000],[1594500481000,117.82000000],[1594500781000,87.16000000],[1594501081000,114.14000000],[1594501381000,164.44000000],[1594501681000,125.18000000],[1594501981000,79.80000000],[1594502281000,114.54000000],[1594502581000,96.14000000],[1594502881000,69.96000000],[1594503181000,49.90000000],[1594503481000,92.44000000],[1594503781000,124.36000000],[1594504081000,61.38000000],[1594504381000,135.42000000],[1594504681000,114.55000000],],
							color: '#002f80',
							points: {
								show: true
							},
							lines: { 
								show: false
							},
						}
					];

					var options = {				
						xaxes: [{
							axisLabel: 'wind_direction',
						}],		
						
						xaxis: {
							mode: 'time',
							minTickSize: [1, 'hour'],
							timeformat: '%d.%m.\, %H:%M',
							timezone: 'browser',
						},
						yaxis: {
							min: 0,
							max: 360,
							ticks: [[0, 'S'], [90, 'V'], [180, 'J'], [270, 'Z'], [360, 'S']]
						},
						grid: { 
							hoverable: true, 
							clickable: true, 
							borderWidth: 0, 		
						},
						tooltip: {
							show: true,
							content: function(label, xval, yval, flotItem) {
								dir = meteo_wind_direction_name(yval);
								format_date = moment(xval).format('DD.MM., hh:mm')
								return format_date+' - '+dir;
							}
						},
						crosshair: {
							mode: 'x'
						},
						legend: { 
							show: true,
							container: '#chart-wind-direction-legend'
						}										
					};

					graphs['#chart-wind-direction'] = $.plot('#chart-wind-direction', dataset, options);
				});
			
				$(document).ready(function() {
					
					dataset = [
						{
							label: 'Zrážky',
							data: [[1594480741000,0.27940000],[1594482001000,0.27940000],[1594482661000,0.27940000],[1594483201000,0.27940000],[1594484221000,0.27940000],[1594485361000,0.27940000],[1594485901000,0.27940000],[1594486801000,0.27940000],[1594487281000,0.27940000],[1594488001000,0.27940000],[1594489441000,0.27940000],[1594498081000,0.27940000],],
							color: '#008fbf'
						}
					];

					var options = {				
						xaxes: [{
							axisLabel: 'rain',
						}],		
						points: {
							show: false
						},
						lines: { 
							show: true,
							lineWidth: 2,
							fill: false, 
						},
						yaxis: {
							min: 0,
						},
						xaxis: {
							mode: 'time',
							minTickSize: [1, 'hour'],
							timeformat: '%d.%m.\, %H:%M',
							timezone: 'browser',
						},
						grid: { 
							hoverable: true, 
							clickable: true, 
							borderWidth: 0, 		
						},
						tooltip: {
							show: true,
							content: '%x - %y.3mm'
						},
						crosshair: {
							mode: 'x'
						},
						legend: { 
							show: true,
							container: '#chart-rain-legend'
						}										
					};

					graphs['#chart-rain'] = $.plot('#chart-rain', dataset, options);
				});
			
			$('.modal').on('hide.bs.modal', function() {
				var memory = $(this).html();
				$(this).html(memory);
			});
		
		function meteo_wind_direction_name(wind_direction) {
			if (wind_direction >= 0.00 && wind_direction <= 11.25) {
				ret = 'S';
			} else if (wind_direction > 11.25 && wind_direction <= 33.75) {
				ret = 'SSV';
			} else if (wind_direction > 33.75 && wind_direction <= 56.25) {
				ret = 'SV';
			} else if (wind_direction > 56.25 && wind_direction <= 78.75) { // 67.5
				ret = 'VSV';
			} else if (wind_direction > 78.75 && wind_direction <= 101.25) { // 90
				ret = 'V';
			} else if (wind_direction > 101.25 && wind_direction <= 123.75) { //112.5
				ret = 'VJV';
			} else if (wind_direction > 123.75 && wind_direction <= 146.25) { // 135
				ret = 'JV';
			} else if (wind_direction > 146.25 && wind_direction <= 168.75) { // 157.5
				ret = 'JJV';
			} else if (wind_direction > 168.75 && wind_direction <= 191.25) { // 180
				ret = 'J';
			} else if (wind_direction > 191.25 && wind_direction <= 213.75) { // 202.5
				ret = 'JJZ';
			} else if (wind_direction > 213.75 && wind_direction <= 236.25) { // 225
				ret = 'JZ';
			} else if (wind_direction > 236.25 && wind_direction <= 258.75) { // 247.5
				ret = 'ZJZ';
			} else if (wind_direction > 258.75 && wind_direction <= 281.25) { // 270
				ret = 'Z';
			} else if (wind_direction > 281.25 && wind_direction <= 303.75) { // 292.5
				ret = 'ZSZ';
			} else if (wind_direction > 303.75 && wind_direction <= 326.25) { // 315
				ret = 'SZ';
			} else if (wind_direction > 326.25 && wind_direction <= 348.75) { // 337.5
				ret = 'SSZ';
			} else if (wind_direction > 348.75 && wind_direction <= 360.0) { // 337.5
				ret = 'S';
			} else {
				return '';
			}

			return ret;
		}