Historical data for weatherstation Hoogeveen (🇳🇱) KNMI

Historical data for Oct. 17, 2023

Daily summary for: Oct. 17, 2023

Max. Temperature 11.6 °C (2:50 p.m.)
Min. Temperature 2.3 °C (7:30 a.m.)
Max. Windspeed 33.2 km/h (1:20 p.m.)
Total Precipitation 0.1 mm

Graphs

Temperature on Oct. 17, 2023

Windspeed on Oct. 17, 2023

Pressure on Oct. 17, 2023

Humidity on Oct. 17, 2023

Solarradiation on Oct. 17, 2023

Precipitation on Oct. 17, 2023

Precipitation rate on Oct. 17, 2023

All observations

Time Temperature Dewpoint Humidity Windspeed Winddirection Precipitation Precipitation rate Pressure Solarradiation UV
midnight 5.6 °C 5.6 °C 100 % 1.8 km/h NW 0.1 mm 0.0 mm/h 1022.2 hPa 0.0 w/m^2
12:10 a.m. 5.6 °C 5.4 °C 98 % 3.0 km/h NW 0.0 mm 0.0 mm/h 1022.2 hPa 0.0 w/m^2
12:20 a.m. 5.4 °C 5.0 °C 97 % 6.0 km/h N 0.0 mm 0.0 mm/h 1022.4 hPa 0.0 w/m^2
12:30 a.m. 5.7 °C 5.7 °C 100 % 5.6 km/h N 0.0 mm 0.0 mm/h 1022.4 hPa 0.0 w/m^2
12:40 a.m. 5.9 °C 5.9 °C 99 % 2.3 km/h N 0.0 mm 0.0 mm/h 1022.2 hPa 0.0 w/m^2
12:50 a.m. 6.1 °C 5.9 °C 99 % 2.4 km/h N 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1 a.m. 6.2 °C 6.1 °C 99 % 1.9 km/h N 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1:10 a.m. 6.2 °C 6.1 °C 99 % 1.7 km/h N 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1:20 a.m. 6.2 °C 6.1 °C 99 % 4.1 km/h NE 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1:30 a.m. 6.1 °C 5.9 °C 98 % 2.3 km/h E 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1:40 a.m. 6.2 °C 5.9 °C 97 % 4.3 km/h NE 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
1:50 a.m. 5.7 °C 5.5 °C 98 % 6.9 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 0.0 w/m^2
2 a.m. 5.1 °C 4.8 °C 98 % 7.8 km/h E 0.0 mm 0.0 mm/h 1022.0 hPa 0.0 w/m^2
2:10 a.m. 5.4 °C 5.4 °C 99 % 4.6 km/h NE 0.0 mm 0.0 mm/h 1021.9 hPa 0.0 w/m^2
2:20 a.m. 4.8 °C 4.6 °C 98 % 5.5 km/h NE 0.0 mm 0.0 mm/h 1021.9 hPa 0.0 w/m^2
2:30 a.m. 4.7 °C 4.6 °C 98 % 6.8 km/h N 0.0 mm 0.0 mm/h 1021.9 hPa 0.0 w/m^2
2:40 a.m. 4.8 °C 4.7 °C 98 % 4.9 km/h N 0.0 mm 0.0 mm/h 1021.9 hPa 0.0 w/m^2
2:50 a.m. 4.6 °C 4.5 °C 99 % 5.8 km/h N 0.0 mm 0.0 mm/h 1021.8 hPa 0.0 w/m^2
3 a.m. 4.8 °C 4.5 °C 98 % 5.5 km/h NE 0.0 mm 0.0 mm/h 1021.7 hPa 0.0 w/m^2
3:10 a.m. 4.8 °C 4.5 °C 98 % 9.5 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 0.0 w/m^2
3:20 a.m. 4.8 °C 4.8 °C 100 % 7.0 km/h E 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
3:30 a.m. 5.0 °C 4.9 °C 98 % 10.8 km/h E 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
3:40 a.m. 5.1 °C 4.7 °C 97 % 10.2 km/h E 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
3:50 a.m. 5.0 °C 4.4 °C 95 % 9.6 km/h SE 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
4 a.m. 5.0 °C 4.4 °C 95 % 10.0 km/h SE 0.0 mm 0.0 mm/h 1021.2 hPa 0.0 w/m^2
4:10 a.m. 3.9 °C 3.2 °C 94 % 8.5 km/h SE 0.0 mm 0.0 mm/h 1021.3 hPa 0.0 w/m^2
4:20 a.m. 4.7 °C 4.4 °C 97 % 4.3 km/h E 0.0 mm 0.0 mm/h 1021.3 hPa 0.0 w/m^2
4:30 a.m. 4.5 °C 4.2 °C 98 % 4.0 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
4:40 a.m. 4.2 °C 3.9 °C 98 % 7.0 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
4:50 a.m. 3.9 °C 3.8 °C 99 % 6.4 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
5 a.m. 4.2 °C 4.2 °C 100 % 6.9 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
5:10 a.m. 3.8 °C 3.7 °C 99 % 3.9 km/h NE 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
5:20 a.m. 3.8 °C 3.8 °C 99 % 5.7 km/h NE 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
5:30 a.m. 3.5 °C 3.4 °C 99 % 6.0 km/h E 0.0 mm 0.0 mm/h 1021.2 hPa 0.0 w/m^2
5:40 a.m. 3.7 °C 3.1 °C 96 % 4.2 km/h E 0.0 mm 0.0 mm/h 1021.2 hPa 0.0 w/m^2
5:50 a.m. 4.0 °C 3.8 °C 98 % 2.6 km/h E 0.0 mm 0.0 mm/h 1021.2 hPa 0.0 w/m^2
6 a.m. 3.3 °C 2.9 °C 97 % 10.7 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
6:10 a.m. 3.1 °C 3.0 °C 99 % 9.6 km/h NE 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
6:20 a.m. 3.1 °C 3.1 °C 99 % 7.6 km/h NE 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
6:30 a.m. 2.9 °C 2.7 °C 99 % 4.1 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 0.0 w/m^2
6:40 a.m. 3.2 °C 3.1 °C 99 % 3.0 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 0.0 w/m^2
6:50 a.m. 2.6 °C 2.4 °C 98 % 5.0 km/h NE 0.0 mm 0.0 mm/h 1021.7 hPa 0.0 w/m^2
7 a.m. 2.6 °C 2.4 °C 98 % 6.7 km/h N 0.0 mm 0.0 mm/h 1021.7 hPa 0.0 w/m^2
7:10 a.m. 2.4 °C 2.4 °C 99 % 6.9 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 0.0 w/m^2
7:20 a.m. 2.7 °C 2.7 °C 99 % 4.4 km/h NE 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
7:30 a.m. 2.3 °C 2.0 °C 97 % 4.9 km/h E 0.0 mm 0.0 mm/h 1021.4 hPa 0.0 w/m^2
7:40 a.m. 2.5 °C 2.4 °C 99 % 3.5 km/h E 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
7:50 a.m. 2.8 °C 2.6 °C 98 % 7.7 km/h NE 0.0 mm 0.0 mm/h 1021.5 hPa 0.0 w/m^2
8 a.m. 2.7 °C 2.7 °C 99 % 7.4 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 0.0 w/m^2
8:10 a.m. 3.1 °C 3.0 °C 99 % 8.3 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 4.0 w/m^2
8:20 a.m. 3.4 °C 3.4 °C 100 % 7.8 km/h NE 0.0 mm 0.0 mm/h 1021.6 hPa 12.0 w/m^2
8:30 a.m. 3.4 °C 3.4 °C 100 % 6.1 km/h NE 0.0 mm 0.0 mm/h 1021.7 hPa 23.0 w/m^2
8:40 a.m. 3.7 °C 3.7 °C 100 % 5.1 km/h NE 0.0 mm 0.0 mm/h 1021.8 hPa 37.0 w/m^2
8:50 a.m. 3.6 °C 3.6 °C 100 % 3.2 km/h NE 0.0 mm 0.0 mm/h 1021.9 hPa 55.0 w/m^2
9 a.m. 4.3 °C 3.9 °C 97 % 4.8 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 77.0 w/m^2
9:10 a.m. 4.4 °C 4.3 °C 99 % 6.0 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 99.0 w/m^2
9:20 a.m. 5.2 °C 5.0 °C 98 % 5.8 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 119.0 w/m^2
9:30 a.m. 5.9 °C 5.6 °C 97 % 4.8 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 141.0 w/m^2
9:40 a.m. 6.2 °C 5.5 °C 95 % 7.3 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 161.0 w/m^2
9:50 a.m. 6.7 °C 5.6 °C 92 % 14.1 km/h E 0.0 mm 0.0 mm/h 1022.0 hPa 178.0 w/m^2
10 a.m. 7.3 °C 5.7 °C 89 % 14.0 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 205.0 w/m^2
10:10 a.m. 7.4 °C 5.2 °C 85 % 18.5 km/h E 0.0 mm 0.0 mm/h 1021.8 hPa 227.0 w/m^2
10:20 a.m. 7.7 °C 5.2 °C 84 % 19.4 km/h E 0.0 mm 0.0 mm/h 1021.7 hPa 253.0 w/m^2
10:30 a.m. 8.0 °C 5.1 °C 82 % 21.6 km/h E 0.0 mm 0.0 mm/h 1021.8 hPa 280.0 w/m^2
10:40 a.m. 8.6 °C 5.6 °C 81 % 18.5 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 305.0 w/m^2
10:50 a.m. 8.7 °C 5.4 °C 80 % 18.0 km/h SE 0.0 mm 0.0 mm/h 1021.9 hPa 327.0 w/m^2
11 a.m. 8.9 °C 5.3 °C 78 % 17.4 km/h E 0.0 mm 0.0 mm/h 1021.8 hPa 347.0 w/m^2
11:10 a.m. 9.2 °C 5.2 °C 76 % 16.7 km/h E 0.0 mm 0.0 mm/h 1021.8 hPa 362.0 w/m^2
11:20 a.m. 9.4 °C 4.7 °C 72 % 17.1 km/h E 0.0 mm 0.0 mm/h 1021.8 hPa 371.0 w/m^2
11:30 a.m. 10.0 °C 5.8 °C 75 % 16.8 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 374.0 w/m^2
11:40 a.m. 10.1 °C 5.2 °C 71 % 16.4 km/h E 0.0 mm 0.0 mm/h 1022.0 hPa 370.0 w/m^2
11:50 a.m. 10.1 °C 4.6 °C 68 % 22.2 km/h E 0.0 mm 0.0 mm/h 1022.1 hPa 362.0 w/m^2
noon 10.3 °C 4.6 °C 67 % 24.0 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 353.0 w/m^2
12:10 p.m. 10.4 °C 4.4 °C 66 % 25.2 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 340.0 w/m^2
12:20 p.m. 10.6 °C 4.6 °C 66 % 24.9 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 327.0 w/m^2
12:30 p.m. 10.9 °C 4.8 °C 66 % 23.4 km/h E 0.0 mm 0.0 mm/h 1021.9 hPa 315.0 w/m^2
12:40 p.m. 11.0 °C 4.7 °C 65 % 25.8 km/h SE 0.0 mm 0.0 mm/h 1021.8 hPa 308.0 w/m^2
12:50 p.m. 10.8 °C 3.9 °C 62 % 29.6 km/h E 0.0 mm 0.0 mm/h 1021.5 hPa 305.0 w/m^2
1 p.m. 10.9 °C 4.3 °C 63 % 29.4 km/h E 0.0 mm 0.0 mm/h 1021.2 hPa 308.0 w/m^2
1:10 p.m. 11.2 °C 4.6 °C 64 % 28.7 km/h E 0.0 mm 0.0 mm/h 1021.1 hPa 318.0 w/m^2
1:20 p.m. 11.0 °C 4.0 °C 61 % 33.2 km/h E 0.0 mm 0.0 mm/h 1021.1 hPa 334.0 w/m^2
1:30 p.m. 11.0 °C 3.9 °C 61 % 32.4 km/h E 0.0 mm 0.0 mm/h 1021.0 hPa 350.0 w/m^2
1:40 p.m. 11.1 °C 4.3 °C 62 % 30.6 km/h E 0.0 mm 0.0 mm/h 1020.9 hPa 364.0 w/m^2
1:50 p.m. 11.3 °C 4.6 °C 63 % 29.7 km/h E 0.0 mm 0.0 mm/h 1020.8 hPa 371.0 w/m^2
2 p.m. 11.3 °C 4.4 °C 62 % 29.3 km/h E 0.0 mm 0.0 mm/h 1020.9 hPa 371.0 w/m^2
2:10 p.m. 11.3 °C 4.6 °C 63 % 32.9 km/h E 0.0 mm 0.0 mm/h 1020.8 hPa 365.0 w/m^2
2:20 p.m. 11.3 °C 4.2 °C 61 % 30.3 km/h E 0.0 mm 0.0 mm/h 1020.7 hPa 355.0 w/m^2
2:30 p.m. 11.3 °C 4.2 °C 61 % 30.5 km/h E 0.0 mm 0.0 mm/h 1020.7 hPa 342.0 w/m^2
2:40 p.m. 11.4 °C 4.5 °C 62 % 27.8 km/h E 0.0 mm 0.0 mm/h 1020.6 hPa 329.0 w/m^2
2:50 p.m. 11.6 °C 4.7 °C 62 % 30.0 km/h E 0.0 mm 0.0 mm/h 1020.4 hPa 320.0 w/m^2
3 p.m. 11.5 °C 4.1 °C 60 % 25.8 km/h E 0.0 mm 0.0 mm/h 1020.3 hPa 316.0 w/m^2
3:10 p.m. 11.5 °C 4.2 °C 61 % 27.9 km/h E 0.0 mm 0.0 mm/h 1020.2 hPa 317.0 w/m^2
3:20 p.m. 11.5 °C 4.2 °C 60 % 29.3 km/h E 0.0 mm 0.0 mm/h 1020.0 hPa 319.0 w/m^2
3:30 p.m. 11.4 °C 4.0 °C 60 % 28.5 km/h E 0.0 mm 0.0 mm/h 1019.9 hPa 323.0 w/m^2
3:40 p.m. 11.3 °C 4.0 °C 60 % 28.9 km/h E 0.0 mm 0.0 mm/h 1019.9 hPa 324.0 w/m^2
3:50 p.m. 11.3 °C 4.0 °C 60 % 26.4 km/h E 0.0 mm 0.0 mm/h 1019.9 hPa 323.0 w/m^2
4 p.m. 11.2 °C 3.8 °C 60 % 26.2 km/h E 0.0 mm 0.0 mm/h 1019.8 hPa 314.0 w/m^2
4:10 p.m. 11.2 °C 3.9 °C 60 % 26.9 km/h E 0.0 mm 0.0 mm/h 1019.7 hPa 300.0 w/m^2
4:20 p.m. 11.2 °C 4.1 °C 61 % 26.1 km/h E 0.0 mm 0.0 mm/h 1019.5 hPa 282.0 w/m^2
4:30 p.m. 11.1 °C 4.1 °C 61 % 26.9 km/h E 0.0 mm 0.0 mm/h 1019.5 hPa 259.0 w/m^2
4:40 p.m. 11.1 °C 4.4 °C 63 % 25.3 km/h E 0.0 mm 0.0 mm/h 1019.3 hPa 225.0 w/m^2
4:50 p.m. 10.9 °C 4.5 °C 64 % 26.0 km/h E 0.0 mm 0.0 mm/h 1019.3 hPa 187.0 w/m^2
5 p.m. 10.8 °C 4.8 °C 66 % 24.8 km/h E 0.0 mm 0.0 mm/h 1019.0 hPa 192.0 w/m^2
5:10 p.m. 10.7 °C 4.5 °C 65 % 24.2 km/h E 0.0 mm 0.0 mm/h 1019.0 hPa 171.0 w/m^2
5:20 p.m. 10.6 °C 4.7 °C 66 % 20.6 km/h E 0.0 mm 0.0 mm/h 1019.1 hPa 147.0 w/m^2
5:30 p.m. 10.4 °C 4.0 °C 64 % 19.9 km/h E 0.0 mm 0.0 mm/h 1019.1 hPa 112.0 w/m^2
5:40 p.m. 10.2 °C 4.5 °C 68 % 19.4 km/h E 0.0 mm 0.0 mm/h 1019.1 hPa 93.0 w/m^2
5:50 p.m. 10.1 °C 4.2 °C 66 % 20.6 km/h E 0.0 mm 0.0 mm/h 1019.1 hPa 82.0 w/m^2
6 p.m. 9.9 °C 4.1 °C 67 % 18.0 km/h E 0.0 mm 0.0 mm/h 1019.0 hPa 51.0 w/m^2
6:10 p.m. 9.4 °C 4.2 °C 69 % 17.6 km/h E 0.0 mm 0.0 mm/h 1019.0 hPa 29.0 w/m^2
6:20 p.m. 8.9 °C 4.1 °C 71 % 15.5 km/h E 0.0 mm 0.0 mm/h 1019.1 hPa 19.0 w/m^2
6:30 p.m. 8.6 °C 4.0 °C 73 % 12.2 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 5.0 w/m^2
6:40 p.m. 7.7 °C 3.8 °C 75 % 11.6 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 0.0 w/m^2
6:50 p.m. 7.8 °C 4.0 °C 76 % 13.1 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 0.0 w/m^2
7 p.m. 8.0 °C 4.1 °C 76 % 16.3 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 0.0 w/m^2
7:10 p.m. 7.2 °C 3.7 °C 78 % 14.8 km/h E 0.0 mm 0.0 mm/h 1019.3 hPa 0.0 w/m^2
7:20 p.m. 6.8 °C 3.6 °C 80 % 10.8 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 0.0 w/m^2
7:30 p.m. 6.6 °C 3.6 °C 81 % 11.1 km/h E 0.0 mm 0.0 mm/h 1019.2 hPa 0.0 w/m^2
7:50 p.m. 6.8 °C 3.9 °C 81 % 8.7 km/h E 0.0 mm 0.0 mm/h 1019.0 hPa 0.0 w/m^2
8 p.m. 6.4 °C 3.9 °C 84 % 9.3 km/h E 0.0 mm 0.0 mm/h 1018.8 hPa 0.0 w/m^2
8:10 p.m. 6.0 °C 3.8 °C 85 % 11.5 km/h E 0.0 mm 0.0 mm/h 1018.7 hPa 0.0 w/m^2
8:20 p.m. 6.1 °C 3.7 °C 84 % 12.5 km/h E 0.0 mm 0.0 mm/h 1018.7 hPa 0.0 w/m^2
8:30 p.m. 5.6 °C 3.4 °C 86 % 14.1 km/h E 0.0 mm 0.0 mm/h 1018.5 hPa 0.0 w/m^2
8:50 p.m. 6.9 °C 3.8 °C 80 % 16.8 km/h E 0.0 mm 0.0 mm/h 1018.5 hPa 0.0 w/m^2
9 p.m. 6.2 °C 3.5 °C 82 % 13.3 km/h E 0.0 mm 0.0 mm/h 1018.3 hPa 0.0 w/m^2
9:10 p.m. 5.9 °C 3.4 °C 83 % 13.3 km/h E 0.0 mm 0.0 mm/h 1018.3 hPa 0.0 w/m^2
9:20 p.m. 6.1 °C 3.5 °C 83 % 15.9 km/h E 0.0 mm 0.0 mm/h 1018.4 hPa 0.0 w/m^2
9:40 p.m. 5.3 °C 3.1 °C 85 % 13.0 km/h E 0.0 mm 0.0 mm/h 1018.4 hPa 0.0 w/m^2
9:50 p.m. 4.7 °C 3.0 °C 88 % 12.0 km/h NE 0.0 mm 0.0 mm/h 1018.4 hPa 0.0 w/m^2
10 p.m. 4.6 °C 3.0 °C 89 % 13.1 km/h E 0.0 mm 0.0 mm/h 1018.3 hPa 0.0 w/m^2
10:10 p.m. 5.0 °C 3.1 °C 87 % 12.2 km/h E 0.0 mm 0.0 mm/h 1018.1 hPa 0.0 w/m^2
10:20 p.m. 4.8 °C 3.0 °C 88 % 11.9 km/h E 0.0 mm 0.0 mm/h 1018.0 hPa 0.0 w/m^2
10:30 p.m. 4.6 °C 3.0 °C 89 % 13.4 km/h E 0.0 mm 0.0 mm/h 1018.1 hPa 0.0 w/m^2
10:40 p.m. 4.7 °C 3.0 °C 88 % 11.4 km/h E 0.0 mm 0.0 mm/h 1018.0 hPa 0.0 w/m^2
10:50 p.m. 4.2 °C 2.7 °C 89 % 12.2 km/h NE 0.0 mm 0.0 mm/h 1017.9 hPa 0.0 w/m^2
11 p.m. 4.3 °C 2.9 °C 90 % 15.5 km/h NE 0.0 mm 0.0 mm/h 1017.6 hPa 0.0 w/m^2
11:10 p.m. 4.9 °C 3.4 °C 89 % 14.0 km/h E 0.0 mm 0.0 mm/h 1017.6 hPa 0.0 w/m^2
11:20 p.m. 5.0 °C 3.3 °C 88 % 11.7 km/h E 0.0 mm 0.0 mm/h 1017.6 hPa 0.0 w/m^2
11:30 p.m. 5.0 °C 3.1 °C 87 % 13.6 km/h E 0.0 mm 0.0 mm/h 1017.5 hPa 0.0 w/m^2
11:40 p.m. 4.9 °C 3.2 °C 88 % 13.8 km/h E 0.0 mm 0.0 mm/h 1017.2 hPa 0.0 w/m^2