National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Sutton, Braxton County Airport
Metric (Imperial)
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
05 04:35 Calm 16.09 Fair CLR -4.1 -4.7 96% 76.33 0.0
05 04:15 Calm 16.09 Fair CLR -3.9 -4.4 96% 76.35 0.0
05 03:55 Calm 16.09 Mostly Cloudy BKN150 -3.6 -4.4 94% 76.38 0.0
05 03:35 Calm 16.09 Overcast SCT120 OVC150 -3.5 -4.4 94% 76.38 0.0
05 03:15 Calm 16.09 Overcast BKN140 OVC170 -3.8 -4.7 94% 76.38 0.0
05 02:55 Calm 16.09 Overcast FEW140 OVC170 -4.3 -5.1 94% 76.4 0.0
05 02:35 Calm 16.09 Overcast FEW140 OVC180 -4.5 -5.3 94% 76.4 0.0
05 02:15 Calm 16.09 Mostly Cloudy BKN180 BKN210 -5.3 -5.8 96% 76.38 0.0
05 01:55 Calm 16.09 Partly Cloudy SCT180 SCT210 -5 -5.7 95% 76.38 0.0
05 01:35 Calm 16.09 Mostly Cloudy BKN180 -4.8 -5.5 95% 76.38 0.0
05 01:15 Calm 16.09 Overcast OVC180 -5.3 -6 95% 76.4 0.0
05 00:55 Calm 16.09 Partly Cloudy SCT190 -5.8 -6.4 -2.9 -5.8 96% 76.4 0.0
05 00:35 Calm 16.09 A Few Clouds FEW190 -5.4 -6 96% 76.43 0.0
05 00:15 Calm 16.09 Fair CLR -5 -5.9 94% 76.45 0.0
04 23:55 Calm 16.09 Fair CLR -5.1 -5.9 94% 76.48 0.0
04 23:35 Calm 16.09 A Few Clouds FEW230 -4.3 -5.6 91% 76.5 0.0
04 23:15 Calm 16.09 Fair CLR -4.5 -5.5 93% 76.53 0.0
04 22:55 Calm 16.09 Fair CLR -4.2 -5.4 91% 76.56 0.0
04 22:35 Calm 16.09 Fair CLR -4.1 -5.1 93% 76.58 0.0
04 22:15 Calm 16.09 Fair CLR -4 -5.1 92% 76.58 0.0
04 21:55 Calm 16.09 Fair CLR -3.5 -5 89% 76.58 0.0
04 21:35 Calm 16.09 Fair CLR -3.8 -4.9 92% 76.58 0.0
04 21:15 Calm 16.09 Fair CLR -3.3 -4.9 89% 76.61 0.0
04 20:55 Calm 16.09 A Few Clouds FEW230 -3.5 -5 89% 76.63 0.0
04 20:40 Calm 16.09 A Few Clouds FEW230 -3.6 -5.3 88% 76.66 0.0
04 20:15 Calm 16.09 A Few Clouds FEW240 -3.2 -5.6 84% 76.68 0.0
04 19:55 Calm 16.09 Fair CLR -3.8 -5.4 89% 76.68 0.0
04 19:35 Calm 16.09 Fair CLR -3.8 -5.6 87% 76.66 0.0
04 19:15 Calm 16.09 Fair CLR -3.9 -5.4 89% 76.63 0.0
04 18:55 Calm 16.09 Fair CLR -3.6 -5.6 2.1 -3.6 86% 76.61 0.0
04 18:35 Calm 16.09 Fair CLR -3.4 -5.4 86% 76.61 0.0
04 18:15 Calm 16.09 Fair CLR -2.6 -5.5 81% 76.63 0.0
04 17:55 Calm 16.09 Fair CLR -2.5 -5.3 81% 76.61 0.0
04 17:35 Calm 16.09 Fair CLR -2.2 -5.3 80% 76.63 0.0
04 17:15 Calm 16.09 Fair CLR -1.8 -4.9 80% 76.61 0.0
04 16:55 Calm 16.09 Fair CLR -0.7 -5.1 72% 76.58 0.0
04 16:35 Calm 16.09 Fair CLR 0.4 -5.3 66% 76.58 0.0
04 16:15 Calm 16.09 Partly Cloudy SCT038 2 -7.8 49% 76.56 0.0
04 15:55 Calm 16.09 Overcast OVC037 1.3 -8.1 50% 76.56 0.0
04 15:35 Calm 16.09 Overcast OVC036 1.4 -7.8 51% 76.56 0.0
04 15:15 Calm 16.09 Overcast OVC036 1.7 -7.8 50% 76.56 0.0
04 14:55 Calm 16.09 Overcast OVC036 1 -8.5 50% 76.58 0.0
04 14:35 Calm 16.09 Overcast OVC036 1.1 -7.8 52% 76.56 0.0
04 14:15 Calm 16.09 Overcast OVC035 1 -8 51% 76.58 0.0
04 13:55 Calm 16.09 Overcast OVC035 0.9 -8.1 51% 76.56 0.0
04 13:35 Vrbl 6 16.09 Overcast OVC035 1 -8.2 51% 76.56 0.0
04 13:15 N 7 16.09 Overcast OVC036 1 -8.1 51% -1 76.58 0.0
04 12:55 Vrbl 6 16.09 Overcast OVC037 1.3 -8.1 1.3 -2.4 50% 76.61 0.0
04 12:35 Calm 16.09 Overcast OVC038 1.1 -8.4 50% 76.58 0.0
04 12:15 Vrbl 6 16.09 Overcast OVC039 0.8 -8.6 50% 76.58 0.0
04 11:55 SW 7 16.09 Overcast OVC039 0.8 -9.1 48% -1 76.58 0.0
04 11:35 W 9 16.09 Overcast OVC038 0.5 -9 49% -2 76.61 0.0
04 11:15 Vrbl 6 16.09 Mostly Cloudy BKN038 0 -8.3 54% 76.58 0.0
04 10:55 Vrbl 6 16.09 Fair CLR 0.2 -7.9 55% 76.58 0.0
04 10:35 W 6 16.09 A Few Clouds FEW042 -0.2 -8.1 56% 76.58 0.0
04 10:15 Vrbl 7 16.09 Partly Cloudy SCT042 -0.8 -8.1 58% -3 76.58 0.0
04 09:55 Calm 16.09 Fair CLR -1 -6.2 68% 76.56 0.0
04 09:35 Calm 16.09 A Few Clouds FEW047 -1.2 -6.3 69% 76.56 0.0
04 09:15 Calm 16.09 A Few Clouds FEW050 -2.2 -5.6 78% 76.53 0.0
04 08:55 Calm 16.09 Mostly Cloudy BKN050 -2.1 -6.6 72% 76.53 0.0
04 08:35 Calm 16.09 Overcast OVC049 -2.1 -6.4 73% 76.5 0.0
04 08:15 Calm 16.09 Overcast OVC048 -2.1 -6.4 73% 76.48 0.0
04 07:55 Calm 16.09 Overcast OVC050 -2.1 -6.7 71% 76.45 0.0
04 07:35 Calm 16.09 Overcast OVC055 -2.2 -6.4 73% 76.43 0.0
04 07:15 Calm 16.09 Overcast OVC055 -2.2 -6 75% 76.4 0.0
04 06:55 Calm 16.09 Overcast OVC055 -2.1 -5.7 -1.4 -2.1 77% 76.38 0.0
04 06:35 Calm 16.09 Overcast OVC055 -2.1 -5.6 77% 76.35 0.0
04 06:15 Calm 16.09 Overcast OVC060 -2 -5.7 76% 76.35 0.0
04 05:55 Calm 16.09 Overcast OVC060 -2 -5.6 77% 76.33 0.0
04 05:35 Calm 16.09 Overcast OVC065 -2.1 -5.3 79% 76.33 0.0
04 05:15 Calm 16.09 Overcast OVC060 -2 -6.2 73% 76.33 0.0
04 04:55 Calm 16.09 Overcast OVC060 -2 -5.7 76% 76.33 0.0
04 04:35 Calm 16.09 Overcast OVC065 -1.9 -5.2 78% 76.33 0.0
04 04:15 Calm 16.09 Overcast OVC070 -1.9 -4.9 80% 76.33 0.0
04 03:55 Calm 16.09 Overcast SCT070 OVC085 -2 -4.3 84% 76.28 0.0
04 03:35 Calm 16.09 Overcast OVC085 -1.9 -4.7 81% 76.28 0.0
04 03:15 Calm 16.09 Overcast OVC085 -1.8 -4.7 81% 76.28 0.0
04 02:55 Vrbl 6 16.09 Overcast FEW070 OVC085 -1.7 -4.3 83% 76.28 0.0
04 02:35 N 6 16.09 Overcast SCT070 OVC090 -1.7 -4.2 83% 76.25 0.0
04 02:15 Calm 16.09 Overcast BKN070 OVC095 -1.7 -3.6 87% 76.2 0.0
04 01:55 Calm 16.09 Overcast SCT070 OVC095 -1.8 -3.1 91% 76.17 0.0
04 01:35 Calm 16.09 Overcast BKN070 OVC095 -1.5 -3.2 88% 76.15 0.0
04 01:15 Calm 16.09 Overcast BKN070 OVC090 -1.5 -3.6 86% 76.17 0.0
04 00:55 Calm 16.09 Overcast OVC070 -1.4 -3.6 -0.8 -1.5 85% 76.15 0.0
04 00:35 Calm 16.09 Overcast FEW045 OVC075 -1.4 -3.8 84% 76.15 0.0
04 00:15 Calm 16.09 Overcast SCT045 OVC075 -1.5 -4.1 83% 76.15 0.0
03 23:55 Calm 16.09 Overcast OVC080 -1.5 -3.4 87% 76.15 0.0
03 23:35 Calm 16.09 Overcast OVC080 -1.5 -4.5 80% 76.15 0.0
03 23:15 Calm 16.09 Overcast OVC080 -1.4 -3.8 84% 76.15 0.0
03 22:55 Calm 16.09 Overcast OVC080 -1.4 -4.9 77% 76.15 0.0
03 22:35 Calm 16.09 Overcast OVC080 -1.3 -4.7 78% 76.15 0.0
03 22:15 Calm 16.09 Overcast OVC080 -1.3 -4.9 77% 76.15 0.0
03 21:55 Calm 16.09 Overcast OVC085 -1.4 -5 77% 76.12 0.0
03 21:35 Calm 16.09 Overcast OVC085 -1.3 -5.5 73% 76.1 0.0
03 21:15 Calm 16.09 Overcast FEW047 OVC100 -1.4 -4 83% 76.1 0.0
03 20:55 Calm 16.09 Overcast OVC047 -1.3 -5.2 75% 76.12 0.0
03 20:35 Calm 16.09 Overcast OVC048 -1.2 -5.2 75% 76.12 0.0
03 20:15 Calm 16.09 Overcast BKN050 OVC080 -1.1 -4.8 76% 76.1 0.0
03 19:55 Calm 16.09 Overcast OVC050 -0.9 -4.7 76% 76.1 0.0
03 19:35 Calm 16.09 Overcast BKN055 OVC075 -0.9 -4.5 77% 76.1 0.0
03 19:15 Calm 16.09 Overcast OVC080 -0.8 -4.4 77% 76.12 0.0
03 18:55 Calm 16.09 Overcast OVC080 -0.7 -4.5 0.1 -1.5 76% 76.1 0.0
03 18:35 Calm 16.09 Overcast SCT028 OVC080 -0.7 -4.4 76% 76.12 0.0
03 18:15 Calm 16.09 Overcast BKN028 BKN036 BKN050 OVC110 -0.6 -4.4 76% 76.12 0.0
03 17:55 Calm 16.09 Overcast SCT049 BKN085 OVC110 -0.5 -4.4 75% 76.12 0.0
03 17:35 Calm 16.09 Overcast SCT046 BKN055 OVC085 -0.5 -4.4 75% 76.12 0.0
03 17:15 Calm 16.09 Overcast SCT048 BKN060 BKN080 OVC090 -0.4 -4.1 76% 76.1 0.0
03 16:55 SE 6 16.09 Overcast FEW055 SCT070 OVC095 -0.2 -3.5 79% 76.07 0.0
03 16:35 Calm 16.09 Overcast BKN070 OVC100 -0.1 -3.6 78% 76.1 0.0
03 16:15 Calm 16.09 Overcast OVC075 0 -3.2 79% 76.1 0.0
03 15:55 Calm 16.09 Overcast OVC075 -0.1 -3.7 77% 76.07 0.0
03 15:35 Calm 14.48 Overcast BKN075 OVC100 -0.1 -3.6 78% 76.07 0.0
03 15:15 Calm 16.09 Overcast SCT080 OVC120 -0.4 -3.7 79% 76.05 0.0
03 14:55 Calm 16.09 Overcast BKN100 OVC120 -0.7 -3.7 80% 76.07 0.0
03 14:35 Calm 16.09 Overcast FEW075 BKN100 OVC120 -0.8 -3.7 81% 76.07 0.0
03 14:15 Calm 16.09 Overcast FEW075 BKN095 OVC120 -0.9 -3.8 81% 76.07 0.0
03 13:55 Calm 16.09 Overcast SCT070 OVC090 -0.8 -3.7 81% 76.05 0.0
03 13:35 N 6 14.48 Overcast BKN075 OVC100 -1.2 -3.9 82% 76.07 0.0
03 13:15 Calm 14.48 Overcast BKN080 OVC100 -1.4 -3.9 83% 76.07 0.0
03 12:55 Calm 14.48 Overcast FEW075 OVC100 -1.6 -4.1 -1.5 -5.3 83% 76.07 0.0
03 12:35 NE 6 16.09 Overcast OVC095 -1.7 -4 85% 76.1 0.0
03 12:15 Calm 16.09 Overcast OVC095 -2 -4.2 85% 76.12 0.0
03 11:55 Calm 16.09 Overcast BKN095 OVC120 -2.1 -4.4 84% 76.15 0.0
03 11:35 Calm 16.09 Overcast SCT090 OVC110 -2.5 -4.8 84% 76.15 0.0
03 11:15 Calm 16.09 Overcast BKN090 OVC120 -3 -5.3 84% 76.17 0.0
03 10:55 Calm 14.48 Overcast OVC100 -3.4 -5.7 84% 76.17 0.0
03 10:35 Calm 14.48 Mostly Cloudy BKN100 BKN120 -3.7 -5.7 86% 76.17 0.0
03 10:15 Calm 14.48 Overcast SCT090 OVC120 -4 -6.1 86% 76.17 0.0
03 09:55 Calm 14.48 Overcast OVC090 -4.3 -6.3 86% 76.15 0.0
03 09:35 Calm 16.09 Overcast FEW006 OVC095 -4.4 -6.3 87% 76.15 0.0
03 09:15 Calm 14.48 Overcast FEW007 OVC100 -4.6 -6.7 85% 76.15 0.0
03 08:55 Calm 16.09 Overcast SCT008 BKN090 OVC100 -4.9 -7 85% 76.15 0.0
03 08:35 Calm 14.48 Overcast OVC008 -5 -6.9 87% 76.15 0.0
03 08:15 Calm 14.48 Overcast OVC007 -5.1 -7 87% 76.15 0.0
03 07:55 Calm 14.48 Overcast OVC007 -5 -7.1 85% 76.15 0.0
03 07:35 Calm 16.09 Overcast OVC007 -4.8 -7.1 84% 76.15 0.0
03 07:15 Calm 16.09 Overcast OVC007 -4.9 -6.9 86% 76.15 0.0
03 06:55 Calm 14.48 Overcast BKN007 BKN011 OVC110 -5.6 -6.8 -4.4 -6.5 91% 76.15 0.0
03 06:35 Calm 16.09 Overcast FEW012 BKN110 OVC190 -6 -7 93% 76.15 0.0
03 06:15 Calm 16.09 Overcast FEW120 OVC180 -6.3 -7.2 93% 76.12 0.0
03 05:55 Calm 16.09 Mostly Cloudy FEW013 SCT160 BKN180 -6 -7 93% 76.1 0.0
03 05:35 Calm 16.09 Mostly Cloudy FEW013 BKN180 -6.2 -7.2 93% 76.1 0.0
03 05:15 Calm 16.09 A Few Clouds FEW013 -5.7 -7 91% 76.07 0.0
03 04:35 Calm 16.09 Overcast OVC013 -4.8 -7.1 84% 76.07 0.0
03 04:15 Calm 16.09 Overcast OVC013 -4.7 -7.1 84% 76.07 0.0
03 03:55 Calm 16.09 Overcast OVC013 -4.5 -7.1 82% 76.07 0.0
03 03:35 Calm 16.09 Overcast OVC014 -4.5 -6.9 84% 76.07 0.0
03 03:15 Calm 16.09 Mostly Cloudy BKN014 -4.4 -6.7 84% 76.07 0.0
03 02:55 Calm 14.48 A Few Clouds FEW015 -5.3 -5.9 96% 76.07 0.0
03 02:35 Calm 16.09 Partly Cloudy FEW015 SCT024 -5.5 -6.3 94% 76.05 0.0
03 02:15 Calm 16.09 Partly Cloudy SCT024 -6 -6.4 97% 76.05 0.0
03 01:55 Calm 14.48 Fair CLR -6.1 -6.5 97% 76.02 0.0
03 01:35 Calm 16.09 Fair CLR -6.2 -6.6 97% 76.02 0.0
03 01:15 Calm 14.48 Fair CLR -4.9 -5.3 97% 76.02 0.0
03 00:55 Calm 16.09 Fair CLR -4.8 -5.1 0.1 -5.1 98% 76 0.0
03 00:35 Calm 14.48 Fair CLR -4.9 -5.1 99% 76 0.0
03 00:15 Calm 14.48 Fair CLR -4.8 -5 99% 76 0.0
02 23:55 Calm 14.48 A Few Clouds FEW260 -4.9 -5 99% 76 0.0
02 23:35 Calm 14.48 Partly Cloudy FEW021 SCT260 -4.2 -4.3 99% 76 0.0
02 23:15 Calm 14.48 Mostly Cloudy BKN017 BKN370 -3.4 -3.8 97% 76 0.0
02 22:55 Calm 14.48 Overcast OVC017 -2.6 -2.9 98% 76 0.0
02 22:35 Calm 14.48 Overcast OVC017 -2.8 -3 99% 76 0.0
02 22:15 Calm 16.09 Mostly Cloudy BKN017 -3.2 -3.3 99% 75.97 0.0
02 21:55 Calm 16.09 Partly Cloudy SCT016 -3.9 -4 99% 75.97 0.0
02 21:35 Calm 16.09 Partly Cloudy SCT016 -3.7 -3.9 99% 75.95 0.0
02 21:15 Calm 16.09 Partly Cloudy SCT017 -2.8 -3.2 97% 75.95 0.0
02 20:55 Calm 16.09 Overcast OVC018 -2 -2.8 94% 75.92 0.0
02 20:35 Calm 16.09 Overcast OVC018 -0.5 -2.5 87% 75.92 0.0
02 20:15 Calm 16.09 Overcast OVC017 -0.1 -2.2 86% 75.92 0.0
02 19:55 Calm 16.09 Overcast OVC016 -0.1 -2.1 87% 75.9 0.0
02 19:35 Calm 16.09 Overcast OVC015 0 -2 87% 75.9 0.0
02 19:15 Calm 16.09 Overcast OVC015 0.1 -1.8 87% 75.9 0.0
02 18:55 Calm 16.09 Overcast OVC015 0.1 -1.7 0.3 -0.3 88% 75.87 0.0
02 18:35 Calm 16.09 Overcast OVC014 0.1 -1.7 88% 75.84 0.0
02 18:15 Calm 16.09 Overcast OVC015 0.2 -1.7 87% 75.84 0.0
02 17:55 Calm 16.09 Overcast OVC015 0.2 -1.6 88% 75.82 0.0
02 17:35 Calm 16.09 Overcast OVC014 0.3 -1.6 87% 75.84 0.0
02 17:15 Vrbl 6 16.09 Overcast BKN012 OVC018 0.2 -1.2 90% 75.82 0.0
02 16:55 Calm 16.09 Overcast OVC013 0.2 -1.2 90% 75.79 0.0
02 16:35 W 7 14.48 Overcast OVC014 0.2 -1.2 90% -2 75.79 0.0
02 16:15 Vrbl 6 16.09 Overcast BKN010 OVC015 0.2 -1.2 90% 75.79 0.0
02 15:55 SW 9 16.09 Overcast OVC010 0.3 -1 91% -2 75.77 0.0
02 15:35 Calm 14.48 Overcast OVC010 0.2 -1.1 91% 75.77 0.0
02 15:15 Vrbl 7 11.27 Overcast BKN007 OVC014 0.1 -1.2 91% -2 75.77 0.0
02 14:55 Vrbl 9 11.27 Overcast OVC007 -0.1 -1 94% -3 75.77 0.0
02 14:35 SW 6 11.27 Overcast OVC007 -0.1 -0.9 94% 75.77 0.0
02 14:15 W 7 11.27 Overcast OVC006 -0.1 -0.8 95% -2 75.74 0.0
02 13:55 SW 7 8.05 Fog/Mist OVC006 -0.2 -0.8 96% -2 75.74 0.0
02 13:35 Calm 9.66 Fog/Mist OVC006 -0.1 -0.8 95% 75.74 0.0
02 13:15 Vrbl 7 8.05 Fog/Mist OVC005 -0.2 -0.8 96% -2 75.74 0.0
02 12:55 Calm 4.83 Fog/Mist OVC005 -0.3 -0.8 -0.3 -1.6 96% 75.74 0.0
02 12:35 Calm 6.44 Fog/Mist OVC005 -0.3 -0.9 96% 75.74 0.0
02 12:15 Vrbl 7 4.83 Fog/Mist OVC005 -0.3 -0.8 96% -3 75.74 0.0
02 11:55 SW 6 4.83 Fog/Mist OVC005 -0.4 -1.1 95% 75.77 0.0
02 11:35 W 6 9.66 Fog/Mist OVC006 -0.5 -1.5 93% 75.77 0.0
02 11:15 W 6 9.66 Fog/Mist OVC006 -0.5 -1.4 94% 75.79 0.0
02 10:55 Calm 9.66 Fog/Mist OVC006 -0.5 -1.5 93% 75.82 0.0
02 10:35 SW 6 8.05 Fog/Mist OVC006 -0.5 -1.4 94% 75.82 0.0
02 10:15 Calm 9.66 Fog/Mist OVC007 -0.6 -1.7 92% 75.82 0.0
02 09:55 Calm 12.87 Overcast OVC011 -0.6 -1.2 96% 75.82 0.0
02 09:35 Calm 11.27 Overcast BKN009 OVC015 -0.6 -1.1 96% 75.79 0.0
02 09:15 Calm 8.05 Fog/Mist BKN007 OVC015 -0.8 -0.8 100% 75.77 0.0
02 08:55 Calm 4.83 Fog/Mist BKN006 OVC013 -1.2 -1.2 100% 75.77 0.0
02 08:35 Calm 6.44 Fog/Mist BKN007 OVC011 -1.3 -1.3 100% 75.77 0.0
02 08:15 Calm 8.05 Fog/Mist BKN010 OVC015 -1.4 -1.4 100% 75.77 0.0
02 07:55 Calm 6.44 Fog/Mist BKN010 OVC015 -1.5 -1.6 99% 75.77 0.0
02 07:35 Calm 11.27 Overcast OVC010 -1.4 -1.5 99% 75.77 0.0
02 07:15 Calm 9.66 Fog/Mist OVC012 -1.6 -1.7 99% 75.77 0.0
02 06:55 Calm 14.48 Overcast OVC013 -1.5 -1.6 -1.4 -3.1 99% 75.77 0.0
02 06:35 Calm 14.48 Overcast OVC014 -1.5 -1.6 99% 75.74 0.0
02 06:15 Calm 14.48 Overcast OVC016 -1.7 -1.7 100% 75.74 0.0
02 05:55 Calm 14.48 Overcast OVC017 -1.8 -1.9 99% 75.72 0.0
02 05:35 Calm 16.09 Overcast OVC016 -1.9 -2 99% 75.72 0.0
02 05:15 Calm 16.09 Overcast OVC014 -1.8 -1.9 99% 75.72 0.0
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)