National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Watauga County Hospital Heliport
Metric (Imperial)
Date Time (edt) 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.
19 03:55 NW 6 16.09 Fair CLR 19.7 19.7 100% 76.78 0.0
19 03:35 Calm 16.09 Partly Cloudy SCT075 19.9 19.9 100% 76.78 0.0
19 03:15 Calm 16.09 Partly Cloudy SCT075 20.3 20.3 100% 76.78 0.0
19 02:55 Calm 16.09 Fair CLR 20.4 20.3 99% 76.78 0.0
19 02:35 W 11 16.09 Fair CLR 20.4 20.4 100% 76.81 0.0
19 02:15 W 13 16.09 Fair CLR 20.5 20.5 100% 76.86 0.0
19 01:55 W 11 16.09 Fair CLR 20.5 20.5 20.6 19.5 100% 76.86 0.0
19 01:35 Calm 16.09 Fair CLR 20.3 20.3 100% 76.89 0.0
19 01:15 NW 6 16.09 Fair CLR 20.5 20.5 100% 76.89 0.0
19 00:55 W 6 16.09 Fair CLR 20.5 20.5 100% 76.91 0.0
19 00:35 W 15 16.09 Fair CLR 20.5 20.5 100% 76.91 0.0
19 00:15 NW 11 16.09 Fair CLR 20.1 20.1 100% 76.91 0.0
18 23:55 Calm 11.27 Fair CLR 19.7 19.7 100% 76.91 0.0
18 23:35 Calm 8.05 Fog/Mist CLR 19.6 19.6 100% 76.91 0.0
18 23:15 Calm 16.09 Fair CLR 20 20 100% 76.91 0.0
18 22:55 Calm 8.05 Fog/Mist CLR 19.6 19.6 100% 76.89 0.0
18 22:35 Calm 16.09 Fair CLR 20 20 100% 76.91 0.0
18 22:15 Calm 16.09 Fair CLR 20.1 20.1 100% 76.91 0.0
18 21:55 W 6 16.09 Fair CLR 20 20 100% 76.91 0.0
18 21:35 Calm 16.09 Partly Cloudy SCT110 20 20 100% 76.89 0.0
18 21:15 Calm 11.27 Partly Cloudy SCT046 SCT100 19.7 19.7 100% 76.89 0.0
18 20:55 Calm 11.27 Mostly Cloudy SCT050 BKN100 19.9 19.9 100% 76.86 0.0
18 20:35 Calm 11.27 Mostly Cloudy SCT050 SCT090 BKN110 19.9 19.9 100% 76.86 0.0
18 20:15 Calm 11.27 Partly Cloudy SCT110 20 20 100% 76.86 0.0
18 19:55 Calm 16.09 Partly Cloudy SCT055 SCT090 SCT110 20 20 29 20 100% 76.86 0.0 0.25 1.85
18 19:35 Calm 16.09 Mostly Cloudy SCT016 BKN090 BKN110 20.6 20.6 100% 76.89 0.0 0.25
18 19:15 SW 13 3.22 Rain NULL 20.3 20.3 100% 76.89 0.0 0.23
18 18:55 W 19 G 30 8.05 Heavy Rain SCT016 SCT028 BKN035 21.7 21.4 98% 76.86 0.0 0.28
18 18:35 SE 6 3.22 Heavy Rain SCT009 OVC039 22.4 22.4 100% 76.84 0.0 0.13
18 18:15 N 6 8.05 Light Rain SCT040 BKN048 BKN055 22.5 22.5 100% 76.84 0.0 0.03
18 17:55 SE 7 16.09 Mostly Cloudy SCT029 SCT038 BKN050 22.1 22.1 100% 76.84 0.0 0.03
18 17:35 Calm 16.09 Rain SCT029 BKN036 BKN060 23.8 23.6 99% 76.84 0.0 0.03
18 17:15 Calm 11.27 Light Rain CLR 24 20.7 82% 24 76.84 0.0
18 16:55 Calm 16.09 Partly Cloudy SCT047 23.5 20.3 82% 76.81 0.0 1.24
18 16:35 Calm 16.09 Partly Cloudy SCT045 SCT050 SCT120 24.7 20.7 79% 25 76.78 0.0
18 16:15 NE 6 16.09 Partly Cloudy SCT045 SCT055 SCT100 24.2 21.2 83% 24 76.81 0.0
18 15:55 Calm 16.09 Fair CLR 23.6 22.9 96% 76.84 0.0 1.24
18 15:35 S 7 0.80 Heavy Rain BKN006 BKN013 BKN030 22.1 22.1 100% 76.84 0.0 1.22
18 15:15 S 13 16.09 Light Rain BKN031 OVC039 23.5 20 81% 76.86 0.0
18 14:55 S 13 16.09 Light Rain OVC033 25.6 19.7 70% 27 76.84 0.0
18 14:35 SW 6 16.09 Partly Cloudy SCT033 SCT048 27.5 18.4 58% 29 76.84 0.0
18 14:15 Calm 16.09 Fair CLR 27.7 18.9 59% 29 76.86 0.0
18 13:55 W 17 16.09 Partly Cloudy SCT070 SCT080 27 18.6 27.4 21 60% 28 76.89 0.0
18 13:35 NW 13 16.09 Partly Cloudy SCT070 27.3 18.5 59% 28 76.89 0.0
18 13:15 W 17 16.09 Partly Cloudy SCT038 SCT050 SCT060 26.6 18.3 60% 28 76.91 0.0
18 12:55 NW 22 G 30 16.09 Mostly Cloudy SCT025 SCT033 BKN060 27.4 18.8 59% 29 76.94 0.0
18 12:35 NW 15 16.09 Mostly Cloudy SCT027 SCT031 BKN060 26.4 18.7 63% 27 76.94 0.0
18 12:15 W 11 16.09 Partly Cloudy SCT027 SCT033 SCT060 26.4 18.5 62% 27 76.94 0.0
18 11:55 N 11 16.09 Mostly Cloudy SCT025 SCT033 BKN060 25.3 18.3 65% 26 76.94 0.0
18 11:35 NW 17 16.09 Partly Cloudy SCT022 SCT075 25.7 18.5 65% 27 76.94 0.0
18 11:15 NW 15 16.09 Mostly Cloudy BKN020 25.1 18.8 68% 26 76.94 0.0
18 10:55 W 15 16.09 Mostly Cloudy BKN018 BKN070 24.4 18.8 71% 25 76.94 0.0
18 10:35 NW 15 G 26 16.09 Partly Cloudy SCT014 SCT070 24.6 19 71% 26 76.94 0.0
18 10:15 NW 17 G 26 16.09 Partly Cloudy SCT014 SCT080 23.7 19.1 76% 76.91 0.0
18 09:55 W 19 G 28 16.09 Partly Cloudy SCT014 SCT080 23.2 19.1 78% 76.91 0.0
18 09:35 NW 20 G 30 16.09 Partly Cloudy SCT080 22.8 19.4 81% 76.91 0.0
18 09:15 W 15 16.09 Partly Cloudy SCT010 22 20.8 93% 76.91 0.0
18 08:55 W 17 G 26 16.09 Partly Cloudy SCT010 21.7 20.8 95% 76.94 0.0
18 08:35 W 13 16.09 Fair CLR 21.6 20.7 95% 76.91 0.0
18 08:15 W 15 16.09 Fair CLR 21.5 20.6 95% 76.89 0.0
18 07:55 W 11 16.09 Fair CLR 20.9 20.7 20.9 18.8 99% 76.86 0.0
18 07:35 W 15 16.09 Fair CLR 20.6 20.6 100% 76.86 0.0
18 07:15 W 13 16.09 Fair CLR 20.5 20.5 100% 76.84 0.0
18 06:55 W 13 16.09 Fair CLR 20.2 20.2 100% 76.81 0.0
18 06:15 Calm 16.09 Fair CLR 19.1 19.1 100% 76.78 0.0
18 05:55 Calm 16.09 Fair CLR 18.9 18.9 100% 76.76 0.0
18 05:35 Calm 16.09 Fair CLR 19.1 19.1 100% 76.73 0.0
18 05:15 Calm 16.09 Fair CLR 19.2 19.2 100% 76.76 0.0
18 04:55 Calm 16.09 Fair CLR 19.1 19.1 100% 76.76 0.0
18 04:35 W 6 16.09 Fair CLR 20.2 20.2 100% 76.76 0.0
18 04:15 W 6 16.09 Fair CLR 20 20 100% 76.76 0.0
18 03:55 W 6 16.09 Fair CLR 20 20 100% 76.76 0.0
18 03:35 Calm 16.09 Fair CLR 20.5 20.5 100% 76.73 0.0
18 03:15 Calm 16.09 Fair CLR 20.5 20.5 100% 76.71 0.0
18 02:55 NW 6 16.09 Fair CLR 20.6 20.6 100% 76.76 0.0
18 02:35 W 6 16.09 Fair CLR 20.6 20.6 100% 76.78 0.0
18 02:15 W 9 16.09 Fair CLR 20.5 20.5 100% 76.81 0.0
18 01:55 W 11 16.09 Fair CLR 20.6 20.6 22.8 20.2 100% 76.84 0.0 0.03
18 01:35 W 15 16.09 Fair CLR 20.6 20.6 100% 76.81 0.0
17 23:35 Calm 16.09 Mostly Cloudy BKN040 BKN110 20.7 20.7 100% 76.86 0.0 0.03
17 23:15 Calm 16.09 Partly Cloudy SCT040 SCT110 20.4 20.4 100% 76.86 0.0
17 21:55 Calm 16.09 Partly Cloudy SCT080 20.5 20.5 100% 76.84 0.0
17 21:35 Calm 16.09 Partly Cloudy SCT080 20.4 20.4 100% 76.81 0.0
17 21:15 Calm 16.09 Partly Cloudy SCT085 20.6 20.6 100% 76.81 0.0
17 20:55 Calm 16.09 Partly Cloudy SCT100 20.5 20.5 100% 76.76 0.0
17 20:35 Calm 16.09 Mostly Cloudy BKN100 21.5 21.5 100% 76.78 0.0
17 20:15 NW 6 16.09 Mostly Cloudy BKN110 22.6 19.5 83% 76.78 0.0
17 19:55 Calm 16.09 Mostly Cloudy BKN110 22.5 19.1 26.9 21 81% 76.78 0.0 0.33
17 19:35 Calm 16.09 Fair CLR 22.3 19.5 84% 76.78 0.0
17 19:15 Calm 16.09 Fair CLR 22 20 88% 76.76 0.0
17 18:55 W 7 16.09 Fair CLR 21.8 21.1 96% 76.76 0.0
17 18:35 Calm 16.09 Fair CLR 21.4 21.4 100% 76.73 0.0
17 18:15 NW 7 16.09 Fair CLR 21.6 21.6 100% 76.73 0.0
17 17:55 W 6 16.09 Rain CLR 21 21 100% 76.76 0.0 0.1
17 17:35 NW 9 11.27 Rain SCT026 SCT031 SCT042 22.3 22.2 99% 76.76 0.0 0.08
17 17:15 W 13 11.27 Rain SCT016 SCT031 SCT042 23.6 20 80% 76.78 0.0 0.03
17 16:55 SW 9 16.09 Partly Cloudy SCT037 SCT055 SCT085 24.3 19.5 75% 25 76.76 0.0 0.23
17 16:35 S 9 16.09 Mostly Cloudy BKN037 BKN049 26.3 19.6 67% 28 76.73 0.0
17 16:15 SW 19 G 26 16.09 Mostly Cloudy SCT025 SCT030 BKN049 25.5 19.3 69% 27 76.71 0.0
17 15:55 SW 7 16.09 Light Rain BKN023 BKN030 OVC039 24.3 19 72% 25 76.73 0.0
17 15:35 SW 13 16.09 Partly Cloudy SCT022 SCT028 SCT039 26.8 19.6 65% 28 76.73 0.0
17 15:15 SW 6 16.09 Fair CLR 26.1 19.9 69% 27 76.71 0.0
17 14:55 SW 7 16.09 Fair CLR 23.9 21.9 89% 24 76.76 0.0 0.23
17 14:35 Calm 16.09 Partly Cloudy SCT060 SCT075 SCT085 22.1 22.1 100% 76.76 0.0 0.23
17 14:15 Calm 11.27 Light Rain SCT009 SCT020 BKN070 21.5 21.5 100% 76.81 0.0 0.23
17 13:55 W 33 G 48 8.05 Heavy Rain and Breezy SCT017 SCT027 BKN060 25.8 19.5 27.9 20.7 68% 27 76.81 0.0 0.05 0.05
17 13:35 NW 15 G 28 16.09 Mostly Cloudy SCT032 SCT043 BKN110 27 18.3 59% 28 76.78 0.0
17 13:15 W 6 16.09 Partly Cloudy SCT032 SCT041 SCT070 26.9 18.4 60% 28 76.78 0.0
17 12:55 W 9 16.09 Partly Cloudy SCT031 SCT038 SCT065 25.8 18 62% 27 76.78 0.0
17 12:35 NW 20 G 28 16.09 Mostly Cloudy SCT031 BKN038 26.2 17.9 60% 27 76.81 0.0
17 12:15 W 13 16.09 Partly Cloudy SCT028 SCT032 SCT055 26.6 18.3 60% 28 76.84 0.0
17 11:55 W 11 G 30 16.09 Partly Cloudy SCT026 SCT095 26.2 18.2 61% 27 76.84 0.0
17 11:35 W 13 16.09 Mostly Cloudy SCT026 SCT030 BKN100 26.4 18.3 61% 27 76.86 0.0
17 11:15 NW 11 G 26 16.09 Partly Cloudy SCT026 SCT034 26.3 18.3 62% 27 76.84 0.0
17 10:55 NW 19 16.09 Partly Cloudy SCT024 SCT030 SCT090 25 18.4 67% 26 76.84 0.0
17 10:35 W 17 G 28 16.09 Partly Cloudy SCT080 SCT090 25.4 18.2 64% 26 76.84 0.0
17 10:15 W 15 G 28 16.09 Partly Cloudy SCT080 24.8 18.2 67% 26 76.81 0.0
17 09:55 W 24 G 35 16.09 Fair CLR 24.3 18 68% 25 76.81 0.0
17 09:35 W 24 G 31 16.09 Fair CLR 23.9 18 70% 25 76.78 0.0
17 09:15 W 15 16.09 Fair CLR 23.1 18 73% 76.78 0.0
17 08:55 W 13 16.09 Fair CLR 23 18 74% 76.78 0.0
17 08:35 W 9 16.09 Fair CLR 22.3 18.6 80% 76.76 0.0
17 08:15 W 6 16.09 Fair CLR 21.9 18.9 83% 76.73 0.0
17 07:55 Calm 16.09 Fair CLR 20.5 20.5 22.5 18.5 100% 76.73 0.0
17 07:35 Calm 16.09 Fair CLR 19.8 19.8 100% 76.71 0.0
17 07:15 Calm 16.09 Fair CLR 19.4 19.4 100% 76.68 0.0
17 06:55 Calm 16.09 Fair CLR 19 19 100% 76.68 0.0
17 06:35 Calm 16.09 Fair CLR 18.6 18.6 100% 76.68 0.0
17 06:15 Calm 16.09 Fair CLR 19.5 19.5 100% 76.68 0.0
17 05:55 Calm 16.09 Fair CLR 18.8 18.8 100% 76.68 0.0
17 05:35 Calm 16.09 Fair CLR 19.5 19.5 100% 76.66 0.0
17 05:15 Calm 16.09 Fair CLR 19.2 19.2 100% 76.68 0.0
17 04:55 Calm 16.09 Fair CLR 19.1 19.1 100% 76.63 0.0
17 04:35 Calm 16.09 Fair CLR 19.9 19.9 100% 76.66 0.0
17 04:15 Calm 16.09 Fair CLR 19.3 19.3 100% 76.63 0.0
17 03:55 Calm 16.09 Partly Cloudy SCT039 SCT048 SCT050 19.7 19.7 100% 76.63 0.0
17 03:35 Calm 16.09 Mostly Cloudy SCT041 SCT047 BKN070 20.3 20.1 99% 76.68 0.0
17 03:15 Calm 16.09 Mostly Cloudy SCT046 SCT055 BKN065 20.2 19.9 98% 76.68 0.0
17 02:55 Calm 16.09 Partly Cloudy SCT065 21.3 17.8 81% 76.68 0.0
17 02:35 Calm 16.09 Fair CLR 21.9 17.7 77% 76.71 0.0
17 02:15 W 6 16.09 Mostly Cloudy SCT035 BKN047 22.5 17.7 74% 76.71 0.0
17 01:55 W 13 16.09 Mostly Cloudy BKN047 22.5 17.5 24.1 21 73% 76.71 0.0
17 01:35 W 11 16.09 Partly Cloudy SCT047 22.5 17.5 73% 76.71 0.0
17 01:15 Calm 16.09 Partly Cloudy SCT045 21.1 17.8 82% 76.73 0.0
17 00:55 Calm 16.09 Partly Cloudy SCT065 21 18 83% 76.73 0.0
17 00:35 Calm 16.09 Partly Cloudy SCT065 21 18.3 85% 76.76 0.0
17 00:15 Calm 16.09 Partly Cloudy SCT065 22.8 17.8 74% 76.76 0.0
16 23:55 NW 9 16.09 Partly Cloudy SCT065 23 17.8 73% 76.76 0.0
16 23:35 NW 7 16.09 Fair CLR 22.2 18.1 78% 76.73 0.0
16 23:15 Calm 16.09 Fair CLR 22.6 18.3 77% 76.73 0.0
16 22:55 Calm 16.09 Fair CLR 21.6 19.1 86% 76.71 0.0
16 22:35 W 6 16.09 Fair CLR 23.1 19 78% 76.71 0.0
16 22:15 N 6 16.09 Fair CLR 23.2 19.2 78% 76.68 0.0
16 21:55 Calm 16.09 Fair CLR 22.6 19.3 82% 76.68 0.0
16 21:35 SW 6 16.09 Fair CLR 23 19.2 79% 76.63 0.0
16 21:15 W 6 16.09 Fair CLR 23.2 19.2 78% 76.63 0.0
16 20:55 Calm 16.09 Fair CLR 23.2 19.1 78% 76.63 0.0
16 20:35 S 6 16.09 Partly Cloudy SCT022 SCT030 SCT044 23.5 19.1 76% 76.63 0.0
16 20:15 Calm 16.09 Mostly Cloudy SCT022 SCT030 BKN045 24 19.1 74% 25 76.63 0.0
16 19:55 SW 11 16.09 Partly Cloudy SCT022 SCT030 SCT041 24.3 19 27.3 22.6 72% 25 76.61 0.0 0.08
16 19:35 Calm 16.09 Partly Cloudy SCT022 SCT028 SCT032 25 19.5 72% 26 76.58 0.0
16 19:15 E 9 16.09 Fair CLR 25.4 19.7 71% 26 76.58 0.0
16 18:55 SW 9 G 26 16.09 Fair CLR 25.7 19.3 68% 27 76.58 0.0
16 18:35 SW 11 16.09 Fair CLR 26.1 19.1 65% 27 76.58 0.0
16 18:15 SW 13 G 37 16.09 Fair CLR 26.2 18.9 64% 27 76.58 0.0
16 17:55 S 9 16.09 Fair CLR 26.4 19.3 65% 28 76.58 0.0
16 17:35 Calm 16.09 Fair CLR 25.9 19.4 67% 27 76.61 0.0
16 17:15 SW 17 G 30 16.09 Fair CLR 26.6 19.3 64% 28 76.63 0.0
16 16:55 S 7 16.09 Partly Cloudy SCT055 26.4 19.7 67% 28 76.63 0.0 0.08
16 16:35 SW 15 16.09 Partly Cloudy SCT050 27.2 20.2 66% 29 76.68 0.0
16 16:15 S 13 G 28 16.09 Fair CLR 26.3 19.5 66% 28 76.68 0.0
16 15:55 SW 9 G 33 16.09 Partly Cloudy SCT018 25.5 20.1 72% 27 76.68 0.0
16 15:35 SW 22 G 31 16.09 Partly Cloudy SCT018 25.8 20.2 71% 27 76.68 0.0
16 15:15 S 7 16.09 Partly Cloudy SCT016 SCT021 SCT027 24.7 20.1 76% 26 76.68 0.0
16 14:55 SW 17 G 30 16.09 Light Rain SCT016 SCT021 BKN027 24.7 20.8 79% 25 76.68 0.0 0.08
16 14:35 SE 7 16.09 Fair CLR 24.7 24.4 98% 25 76.71 0.0 0.08
16 14:15 Calm 8.05 Rain SCT009 SCT014 SCT019 22.9 22.5 98% 76.73 0.0 0.05
16 13:55 S 7 6.44 Rain SCT019 SCT023 SCT060 22.9 22.1 26.3 21.3 95% 76.76 0.0 0.03 0.05
16 13:35 S 11 16.09 Light Rain CLR 23.9 20.1 79% 24 76.78 0.0
16 13:15 S 13 G 26 16.09 Partly Cloudy SCT047 24.8 19.6 73% 26 76.78 0.0
16 12:55 S 15 16.09 Fair CLR 24.5 19.7 75% 25 76.78 0.0 0.03
16 12:35 S 7 16.09 Partly Cloudy SCT070 23.6 20.9 85% 76.81 0.0 0.03
16 12:15 S 17 16.09 Partly Cloudy SCT016 SCT021 SCT060 24.8 19.4 72% 26 76.81 0.0
16 11:55 S 7 16.09 Fair CLR 25.3 19.6 71% 26 76.81 0.0
16 11:35 SW 15 16.09 Partly Cloudy SCT095 25.5 19 67% 27 76.81 0.0
16 11:15 S 13 16.09 Partly Cloudy SCT019 SCT095 25 19 69% 26 76.81 0.0
16 10:55 S 11 16.09 Partly Cloudy SCT019 25 19.4 71% 26 76.81 0.0
16 10:35 Calm 16.09 Partly Cloudy SCT019 SCT055 23.9 19.2 75% 25 76.84 0.0
16 10:15 S 11 16.09 Partly Cloudy SCT017 SCT023 SCT028 23 19.7 82% 76.84 0.0
16 09:55 SW 7 16.09 Partly Cloudy SCT017 SCT023 SCT028 22.6 20 85% 76.84 0.0
16 09:35 Calm 16.09 Partly Cloudy SCT015 SCT021 22.2 21.1 94% 76.84 0.0
16 09:15 S 7 16.09 Mostly Cloudy SCT015 BKN021 22.2 21 93% 76.84 0.0
16 08:55 S 13 16.09 Partly Cloudy SCT014 SCT023 21.9 20.9 94% 76.81 0.0
16 08:35 Calm 16.09 Overcast SCT010 BKN015 OVC027 22 20.5 91% 76.81 0.0
16 08:15 Calm 16.09 Overcast BKN010 OVC015 21.6 21.6 100% 76.78 0.0
16 07:55 Calm 16.09 Overcast BKN010 OVC013 21.3 21.3 21.3 19.5 100% 76.78 0.0
16 07:35 W 6 16.09 Overcast OVC010 21.2 21.2 100% 76.76 0.0
16 07:15 Calm 16.09 Mostly Cloudy SCT010 BKN017 20.8 20.8 100% 76.76 0.0
16 06:55 S 7 16.09 Mostly Cloudy SCT012 BKN020 20.5 20.5 100% 76.76 0.0
16 06:35 Calm 11.27 Overcast BKN012 OVC020 20.5 20.5 100% 76.73 0.0
16 06:15 S 6 16.09 Mostly Cloudy BKN016 20.1 20.1 100% 76.73 0.0
16 05:55 Calm 16.09 Fair CLR 19.9 19.9 100% 76.71 0.0
16 05:35 Calm 11.27 Partly Cloudy SCT014 19.7 19.7 100% 76.71 0.0
16 05:15 Calm 16.09 Overcast OVC012 20 20 100% 76.68 0.0
16 04:55 Calm 16.09 Mostly Cloudy BKN012 20.1 20.1 100% 76.68 0.0
16 04:35 Calm 11.27 Partly Cloudy SCT014 19.6 19.6 100% 76.68 0.0
16 04:15 Calm 11.27 Fair CLR 19.5 19.5 100% 76.66 0.0
Date Time (edt) 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)