National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Williamson-Sodus Airport
Imperial (Metric)
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
07 00:15 Calm 10.00 Fair CLR 32 30.2 93% 30.09 0.0
06 23:55 Calm 10.00 Partly Cloudy SCT060 33.8 30.2 87% 30.08 0.0
06 23:35 S 3 10.00 Overcast OVC060 33.8 30.2 87% 30.09 0.0
06 23:15 S 3 10.00 Overcast OVC060 33.8 30.2 87% 30.1 0.0
06 22:55 S 3 10.00 Overcast OVC060 32 30.2 93% 30.11 0.0
06 22:35 Calm 10.00 Overcast OVC060 32 30.2 93% 30.11 0.0
06 22:15 Calm 10.00 Mostly Cloudy BKN060 32 28.4 87% 30.11 0.0
06 21:55 Calm 10.00 Mostly Cloudy BKN060 33.8 30.2 87% 30.11 0.0
06 21:35 Calm 10.00 Mostly Cloudy BKN060 33.8 30.2 87% 30.12 0.0
06 21:15 Calm 10.00 Overcast OVC060 33.8 30.2 87% 30.12 0.0
06 20:55 Calm 10.00 Mostly Cloudy BKN060 33.8 30.2 87% 30.12 0.0
06 20:35 Calm 10.00 Partly Cloudy SCT050 35.6 30.2 81% 30.12 0.0
06 20:15 Calm 10.00 Mostly Cloudy BKN050 37.4 30.2 75% 30.13 0.0
06 19:55 Calm 10.00 Overcast OVC060 37.4 32 81% 30.13 0.0
06 19:35 Calm 10.00 Overcast OVC060 37.4 32 81% 30.13 0.0
06 19:15 Calm 10.00 Overcast OVC060 37.4 32 81% 30.14 0.0
06 18:35 Calm 10.00 Overcast OVC060 35.6 30.2 81% 30.14 0.0
06 18:15 SW 3 10.00 Mostly Cloudy BKN060 35.6 28.4 75% 30.15 0.0
06 17:55 Calm 10.00 Fair CLR 37.4 28.4 70% 30.14 0.0
06 17:35 Calm 10.00 Partly Cloudy SCT050 39.2 28.4 65% 30.14 0.0
06 17:15 Calm 10.00 Mostly Cloudy BKN050 41 28.4 61% 30.14 0.0
06 16:55 Calm 10.00 Mostly Cloudy SCT036 SCT044 BKN050 41 28.4 61% 30.14 0.0
06 16:35 Calm 10.00 Overcast SCT037 BKN046 OVC060 41 28.4 61% 30.14 0.0
06 15:55 W 9 10.00 Partly Cloudy SCT041 41 26.6 57% 36 30.14 0.0
06 15:35 NW 10 G 16 10.00 Partly Cloudy SCT038 SCT045 42.8 26.6 53% 38 30.14 0.0
06 15:15 W 7 10.00 Mostly Cloudy SCT037 BKN045 41 26.6 57% 37 30.14 0.0
06 14:55 NW 7 10.00 Overcast SCT037 OVC045 42.8 26.6 53% 39 30.14 0.0
06 14:15 W 8 G 16 10.00 Partly Cloudy SCT034 SCT041 42.8 28.4 57% 39 30.14 0.0
06 13:55 W 10 G 20 10.00 Mostly Cloudy SCT031 SCT038 BKN043 42.8 28.4 57% 38 30.14 0.0
06 13:35 W 9 G 20 10.00 Mostly Cloudy SCT033 SCT039 BKN047 42.8 28.4 57% 38 30.14 0.0
06 13:15 NW 9 G 20 10.00 Overcast BKN033 BKN039 OVC046 42.8 28.4 57% 38 30.14 0.0
06 12:55 W 10 G 18 10.00 Mostly Cloudy SCT035 BKN042 42.8 28.4 57% 38 30.15 0.0
06 12:35 NW 7 G 22 10.00 Mostly Cloudy SCT037 BKN042 BKN050 42.8 26.6 53% 39 30.15 0.0
06 12:15 NW 10 G 21 10.00 Overcast SCT037 OVC050 42.8 26.6 53% 38 30.15 0.0
06 11:55 NW 14 G 23 10.00 Mostly Cloudy SCT041 BKN060 42.8 26.6 53% 36 30.15 0.0
06 11:35 W 10 G 23 10.00 Mostly Cloudy SCT037 SCT043 BKN060 42.8 26.6 53% 38 30.15 0.0
06 11:15 NW 8 G 17 10.00 Overcast SCT039 OVC060 42.8 26.6 53% 39 30.15 0.0
06 10:55 NW 12 G 18 10.00 Overcast SCT036 SCT042 OVC050 41 26.6 57% 35 30.15 0.0
06 10:35 NW 9 G 22 10.00 Overcast SCT041 BKN050 OVC060 41 26.6 57% 36 30.14 0.0
06 10:15 NW 7 G 22 10.00 Overcast SCT036 SCT042 OVC060 41 26.6 57% 37 30.13 0.0
06 09:55 NW 13 G 18 10.00 Overcast SCT038 BKN045 OVC060 41 28.4 61% 34 30.12 0.0
06 09:35 NW 13 10.00 Overcast SCT041 BKN049 OVC060 42.8 28.4 57% 37 30.12 0.0
06 09:15 NW 9 G 24 10.00 Overcast SCT039 BKN055 OVC070 42.8 30.2 61% 38 30.11 0.0
06 08:55 NW 9 G 21 10.00 Overcast SCT030 SCT040 OVC055 42.8 32 66% 38 30.1 0.0
06 08:35 W 7 G 18 10.00 Overcast SCT028 SCT040 OVC065 42.8 32 66% 39 30.09 0.0
06 08:15 NW 8 10.00 Overcast SCT030 SCT038 OVC055 41 32 70% 36 30.08 0.0
06 07:55 NW 6 G 16 10.00 Light Drizzle SCT026 SCT038 OVC065 42.8 33.8 71% 40 30.07 0.0
06 07:35 NW 10 10.00 Overcast SCT021 SCT033 OVC075 42.8 33.8 71% 38 30.06 0.0
06 07:15 W 8 G 17 10.00 Overcast SCT022 SCT031 OVC075 41 33.8 76% 36 30.05 0.0
06 06:55 NW 7 10.00 Overcast SCT025 BKN033 OVC075 41 33.8 76% 37 30.04 0.0
06 06:35 NW 7 10.00 Overcast SCT023 BKN029 OVC075 42.8 33.8 71% 39 30.03 0.0
06 06:15 W 6 10.00 Overcast SCT023 BKN037 OVC085 42.8 32 66% 40 30.02 0.0
06 05:55 NW 8 G 17 10.00 Overcast SCT023 BKN035 OVC085 42.8 33.8 71% 39 30 0.0
06 05:35 W 5 10.00 Overcast SCT023 SCT034 OVC085 42.8 33.8 71% 41 30 0.0
06 05:15 W 7 10.00 Overcast SCT039 SCT045 OVC085 42.8 33.8 71% 39 29.99 0.0
06 04:55 W 7 10.00 Overcast OVC039 42.8 32 66% 39 29.99 0.0
06 04:35 NW 6 10.00 Overcast SCT027 OVC037 42.8 32 66% 40 29.97 0.0
06 04:15 NW 9 G 17 10.00 Overcast SCT028 BKN040 OVC050 42.8 33.8 71% 38 29.97 0.0
06 03:55 W 10 G 21 10.00 Overcast SCT023 BKN041 OVC090 42.8 33.8 71% 38 29.95 0.0
06 03:35 NW 12 G 22 10.00 Overcast SCT026 BKN036 OVC080 42.8 33.8 71% 37 29.94 0.0
06 03:15 W 6 G 21 10.00 Overcast SCT021 BKN026 OVC040 42.8 35.6 76% 40 29.93 0.0
06 02:55 NW 6 G 20 10.00 Overcast BKN024 BKN033 OVC042 42.8 35.6 76% 40 29.93 0.0
06 02:35 NW 9 G 17 10.00 Overcast SCT023 BKN038 OVC047 42.8 35.6 76% 38 29.92 0.0
06 02:15 NW 8 G 22 10.00 Overcast SCT024 BKN030 OVC038 42.8 35.6 76% 39 29.92 0.0
06 01:55 NW 10 G 17 10.00 Overcast BKN026 OVC031 42.8 35.6 76% 38 29.91 0.0
06 01:35 NW 10 G 18 10.00 Overcast SCT022 OVC029 42.8 35.6 76% 38 29.9 0.0
06 01:15 W 8 G 23 10.00 Overcast BKN022 OVC029 42.8 35.6 76% 39 29.89 0.0
06 00:55 NW 7 G 20 10.00 Overcast SCT016 BKN026 OVC032 42.8 37.4 81% 39 29.87 0.0
06 00:35 NW 9 G 17 10.00 Light Rain SCT015 BKN023 OVC037 42.8 37.4 81% 38 29.87 0.0
06 00:15 NW 7 G 24 10.00 Rain BKN022 BKN030 OVC035 42.8 35.6 76% 39 29.86 0.0
05 23:55 NW 9 G 17 10.00 Light Drizzle BKN019 BKN029 OVC040 42.8 37.4 81% 38 29.85 0.0
05 23:35 W 14 G 23 10.00 Overcast SCT021 BKN028 OVC060 42.8 37.4 81% 36 29.85 0.0
05 23:15 NW 8 G 17 10.00 Overcast SCT021 BKN030 OVC075 41 37.4 87% 36 29.84 0.0
05 22:55 NW 10 10.00 Light Rain SCT018 BKN024 OVC029 41 37.4 87% 35 29.84 0.0 0.01
05 22:35 NW 6 G 18 10.00 Light Rain BKN017 OVC024 41 35.6 81% 38 29.83 0.0 0.01
05 22:15 NW 12 G 18 10.00 Light Rain SCT019 OVC024 41 35.6 81% 35 29.82 0.0 0.01
05 21:55 NW 12 G 21 10.00 Light Rain OVC024 41 35.6 81% 35 29.81 0.0
05 21:35 NW 13 G 23 10.00 Rain OVC022 41 35.6 81% 34 29.79 0.0
05 21:15 W 12 G 26 10.00 Light Rain BKN018 OVC023 42.8 37.4 81% 37 29.78 0.0
05 20:55 NW 13 G 23 10.00 Light Drizzle BKN018 OVC026 42.8 37.4 81% 37 29.75 0.0
05 20:35 NW 15 G 29 10.00 Rain SCT018 BKN023 OVC028 44.6 37.4 76% 38 29.74 0.0
05 20:15 NW 10 G 24 10.00 Overcast BKN018 OVC025 44.6 39.2 81% 40 29.72 0.0
05 19:55 W 10 G 28 10.00 Overcast SCT018 BKN025 OVC032 44.6 41 87% 40 29.7 0.0
05 19:35 W 17 G 30 10.00 Overcast BKN018 OVC031 46.4 41 82% 40 29.68 0.0
05 19:15 W 13 G 28 10.00 Overcast BKN016 BKN024 OVC031 46.4 42.8 87% 41 29.65 0.0
05 18:55 NW 13 G 22 10.00 Light Rain BKN014 BKN020 OVC026 48.2 44.6 87% 43 29.64 0.0 0.03
05 18:35 NW 14 G 25 7.00 Light Rain SCT005 BKN012 OVC020 48.2 44.6 87% 43 29.62 0.0 0.03
05 18:15 NW 10 G 21 5.00 Rain BKN009 BKN021 OVC029 50 46.4 88% 46 29.6 0.0 0.01
05 17:55 W 10 G 18 4.00 Heavy Rain BKN009 BKN018 OVC024 50 46.4 88% 46 29.59 0.0 0.06
05 17:35 W 9 G 16 7.00 Light Rain SCT011 BKN016 OVC033 51.8 48.2 88% 29.57 0.0 0.02
05 17:15 W 7 10.00 Light Rain SCT014 BKN029 OVC044 51.8 48.2 88% 29.58 0.0
05 16:55 W 9 G 16 7.00 Light Rain SCT012 BKN018 OVC023 51.8 48.2 88% 29.57 0.0 0.16
05 16:35 W 10 G 18 4.00 Rain BKN014 OVC022 51.8 46.4 82% 29.57 0.0 0.14
05 16:15 W 15 G 18 7.00 Rain BKN021 OVC026 51.8 46.4 82% 29.56 0.0 0.02
05 15:55 W 17 G 24 10.00 Rain OVC028 53.6 46.4 77% 29.56 0.0
05 15:35 W 15 G 28 10.00 Drizzle OVC033 53.6 44.6 72% 29.56 0.0
05 15:15 W 13 G 20 10.00 Drizzle OVC037 53.6 42.8 67% 29.56 0.0
05 14:55 SW 7 10.00 Drizzle OVC039 53.6 42.8 67% 29.57 0.0
05 14:35 W 13 10.00 Rain OVC041 53.6 41 63% 29.57 0.0
05 14:15 W 7 10.00 Light Rain OVC043 55.4 39.2 55% 29.58 0.0
05 13:55 SW 7 10.00 Overcast OVC043 55.4 37.4 51% 29.58 0.0
05 13:35 SW 6 10.00 Overcast OVC043 55.4 37.4 51% 29.59 0.0
05 13:15 SW 3 10.00 Overcast OVC045 53.6 33.8 47% 29.6 0.0
05 12:55 Calm 10.00 Overcast BKN045 BKN065 OVC090 51.8 32 47% 29.61 0.0
05 12:35 Calm 10.00 Overcast BKN045 BKN065 OVC080 51.8 32 47% 29.63 0.0
05 12:15 Calm 10.00 Overcast SCT045 OVC080 51.8 32 47% 29.64 0.0
05 11:55 S 5 10.00 Overcast OVC080 51.8 30.2 44% 29.64 0.0
05 11:35 S 5 10.00 Overcast OVC090 51.8 30.2 44% 29.66 0.0
05 11:15 S 6 10.00 Overcast OVC090 51.8 30.2 44% 29.68 0.0
05 10:55 S 7 10.00 Overcast OVC090 51.8 30.2 44% 29.7 0.0
05 10:35 S 8 10.00 Overcast OVC090 50 30.2 47% 47 29.72 0.0
05 09:55 S 10 G 17 10.00 Overcast SCT070 BKN090 OVC110 50 32 50% 46 29.76 0.0
05 09:35 SE 7 10.00 Overcast SCT070 BKN080 OVC120 48.2 32 54% 46 29.79 0.0
05 09:15 SE 6 10.00 Overcast SCT070 BKN080 OVC120 46.4 32 57% 44 29.82 0.0
05 08:55 SE 6 10.00 Overcast BKN080 OVC120 46.4 32 57% 44 29.83 0.0
05 08:35 SE 7 10.00 Overcast BKN080 OVC120 46.4 32 57% 43 29.86 0.0
05 08:15 SE 6 10.00 Overcast BKN080 OVC095 44.6 33.8 66% 42 29.89 0.0
05 07:55 SE 7 10.00 Overcast OVC090 44.6 33.8 66% 41 29.91 0.0
05 07:35 SE 6 10.00 Overcast OVC090 44.6 33.8 66% 42 29.92 0.0
05 07:15 SE 6 10.00 Overcast OVC090 44.6 35.6 71% 42 29.94 0.0
05 06:55 SE 5 10.00 Overcast OVC100 44.6 35.6 71% 43 29.96 0.0
05 06:35 SE 6 10.00 Overcast OVC100 44.6 35.6 71% 42 29.97 0.0
05 06:15 SE 6 10.00 Overcast OVC100 42.8 35.6 76% 40 29.98 0.0
05 05:55 S 5 10.00 Overcast OVC100 42.8 35.6 76% 41 30 0.0
05 05:35 SE 3 10.00 Overcast OVC100 42.8 35.6 76% 30.01 0.0
05 05:15 S 3 10.00 Overcast OVC110 42.8 35.6 76% 30.02 0.0
05 04:55 Calm 10.00 Overcast SCT039 OVC110 41 35.6 81% 30.03 0.0
05 04:35 Calm 10.00 Overcast SCT039 OVC110 41 33.8 76% 30.04 0.0
05 04:15 Calm 10.00 Overcast OVC110 41 33.8 76% 30.05 0.0
05 03:55 Calm 10.00 Mostly Cloudy BKN110 41 33.8 76% 30.05 0.0
05 03:35 Calm 10.00 Partly Cloudy SCT110 41 33.8 76% 30.05 0.0
05 03:15 S 3 10.00 Overcast OVC110 41 33.8 76% 30.07 0.0
05 02:55 S 3 10.00 Overcast SCT100 OVC120 41 33.8 76% 30.07 0.0
05 02:35 Calm 10.00 Mostly Cloudy SCT100 BKN120 41 33.8 76% 30.09 0.0
05 02:15 Calm 10.00 Partly Cloudy SCT110 41 33.8 76% 30.09 0.0
05 01:55 S 3 10.00 Overcast OVC110 39.2 33.8 81% 30.1 0.0
05 01:35 Calm 10.00 Mostly Cloudy BKN110 37.4 32 81% 30.11 0.0
05 01:15 Calm 10.00 Partly Cloudy SCT120 35.6 32 87% 30.12 0.0
05 00:55 Calm 10.00 Fair CLR 35.6 32 87% 30.11 0.0
05 00:35 Calm 10.00 Fair CLR 35.6 32 87% 30.11 0.0
05 00:15 Calm 10.00 Fair CLR 35.6 32 87% 30.12 0.0
04 23:55 Calm 10.00 Fair CLR 35.6 32 87% 30.12 0.0
04 23:35 Calm 10.00 Fair CLR 37.4 32 81% 30.12 0.0
04 23:15 Calm 10.00 Fair CLR 37.4 32 81% 30.12 0.0
04 22:55 Calm 10.00 Fair CLR 41 32 70% 30.12 0.0
04 22:35 Calm 10.00 Fair CLR 41 32 70% 30.13 0.0
04 22:15 Calm 10.00 Fair CLR 41 32 70% 30.13 0.0
04 21:55 Calm 10.00 Fair CLR 44.6 32 61% 30.13 0.0
04 21:35 Calm 10.00 Fair CLR 44.6 32 61% 30.13 0.0
04 21:15 W 5 10.00 Fair CLR 44.6 32 61% 43 30.13 0.0
04 20:55 W 3 10.00 Fair CLR 44.6 32 61% 30.13 0.0
04 20:35 W 5 10.00 Fair CLR 44.6 32 61% 43 30.13 0.0
04 20:15 SW 3 10.00 Fair CLR 42.8 32 66% 30.12 0.0
04 19:55 SW 3 10.00 Fair CLR 42.8 32 66% 30.12 0.0
04 19:35 SW 5 10.00 Fair CLR 44.6 32 61% 43 30.11 0.0
04 19:15 SW 5 10.00 Fair CLR 46.4 32 57% 45 30.11 0.0
04 18:55 SW 6 10.00 Fair CLR 46.4 32 57% 44 30.11 0.0
04 18:35 SW 6 10.00 Fair CLR 48.2 32 54% 46 30.11 0.0
04 18:15 SW 8 10.00 Fair CLR 48.2 30.2 50% 45 30.11 0.0
04 17:55 SW 5 10.00 Fair CLR 50 30.2 47% 49 30.1 0.0
04 17:35 W 6 10.00 Fair CLR 51.8 28.4 41% 30.1 0.0
04 17:15 W 6 10.00 Fair CLR 51.8 30.2 44% 30.09 0.0
04 15:55 W 6 G 16 10.00 Fair CLR 53.6 32 44% 30.07 0.0
04 15:35 W 7 10.00 Fair CLR 55.4 32 41% 30.07 0.0
04 15:15 NW 5 10.00 Fair CLR 55.4 32 41% 30.07 0.0
04 14:55 W 9 G 20 10.00 Fair CLR 53.6 32 44% 30.08 0.0
04 14:35 NW 10 G 21 10.00 Fair CLR 53.6 32 44% 30.07 0.0
04 14:15 W 14 G 24 10.00 Fair CLR 53.6 33.8 47% 30.07 0.0
04 13:35 NW 12 G 18 10.00 Fair CLR 55.4 28.4 36% 30.07 0.0
04 13:15 NW 13 G 20 10.00 Fair CLR 55.4 32 41% 30.07 0.0
04 12:55 W 8 G 20 10.00 Fair CLR 55.4 33.8 44% 30.08 0.0
04 12:35 NW 15 G 20 10.00 Fair CLR 55.4 32 41% 30.08 0.0
04 12:15 NW 8 G 20 10.00 Fair CLR 55.4 32 41% 30.08 0.0
04 11:35 W 9 G 21 10.00 Fair CLR 55.4 32 41% 30.09 0.0
04 11:15 W 10 G 20 10.00 Fair CLR 55.4 32 41% 30.1 0.0
04 10:55 NW 9 G 29 10.00 Fair CLR 55.4 32 41% 30.1 0.0
04 10:35 W 10 G 18 10.00 Fair CLR 53.6 32 44% 30.1 0.0
04 10:15 W 7 10.00 Fair CLR 53.6 32 44% 30.1 0.0
04 09:55 W 12 G 16 10.00 Fair CLR 51.8 33.8 50% 30.11 0.0
04 09:35 W 9 G 16 10.00 Fair CLR 51.8 35.6 54% 30.11 0.0
04 09:15 W 8 G 16 10.00 Fair CLR 50 35.6 58% 47 30.1 0.0
04 08:55 W 12 G 16 10.00 Fair CLR 48.2 35.6 62% 44 30.1 0.0
04 08:35 W 12 10.00 Fair CLR 46.4 35.6 66% 42 30.1 0.0
04 08:15 SW 8 10.00 Fair CLR 44.6 35.6 71% 41 30.1 0.0
04 07:55 W 9 10.00 Fair CLR 44.6 35.6 71% 40 30.09 0.0
04 07:35 SW 6 10.00 Fair CLR 42.8 33.8 71% 40 30.08 0.0
04 07:15 SW 5 10.00 Fair CLR 42.8 33.8 71% 41 30.07 0.0
04 06:55 W 5 10.00 Fair CLR 42.8 33.8 71% 41 30.07 0.0
04 06:35 W 6 10.00 Partly Cloudy SCT036 42.8 33.8 71% 40 30.06 0.0
04 06:15 W 7 10.00 Partly Cloudy SCT032 SCT039 SCT050 44.6 33.8 66% 41 30.06 0.0
04 05:55 W 6 10.00 Partly Cloudy SCT041 SCT050 46.4 35.6 66% 44 30.05 0.0
04 05:35 W 7 G 20 10.00 Fair CLR 46.4 35.6 66% 43 30.04 0.0
04 05:15 W 8 10.00 Fair CLR 46.4 35.6 66% 43 30.04 0.0
04 04:55 W 8 G 17 10.00 Partly Cloudy SCT037 SCT044 46.4 35.6 66% 43 30.03 0.0
04 04:35 W 8 G 16 10.00 Partly Cloudy SCT037 SCT044 46.4 35.6 66% 43 30.03 0.0
04 04:15 W 10 G 24 10.00 Fair CLR 46.4 33.8 62% 42 30.02 0.0
04 03:55 W 12 G 23 10.00 Fair CLR 46.4 35.6 66% 42 30.01 0.0
04 03:35 W 7 G 20 10.00 Partly Cloudy SCT035 SCT044 46.4 35.6 66% 43 30 0.0
04 03:15 NW 10 G 23 10.00 Fair CLR 46.4 35.6 66% 42 29.99 0.0
04 02:55 NW 12 G 21 10.00 Fair CLR 46.4 35.6 66% 42 29.98 0.0
04 02:35 W 7 G 23 10.00 Partly Cloudy SCT044 46.4 33.8 62% 43 29.98 0.0
04 02:15 W 12 G 21 10.00 Partly Cloudy SCT044 46.4 33.8 62% 42 29.98 0.0
04 01:55 W 10 G 17 10.00 Fair CLR 44.6 33.8 66% 40 29.97 0.0
04 01:35 W 9 10.00 Fair CLR 44.6 33.8 66% 40 29.97 0.0
04 01:15 W 9 10.00 Fair CLR 46.4 33.8 62% 42 29.96 0.0
04 00:55 W 8 G 16 10.00 Fair CLR 46.4 33.8 62% 43 29.95 0.0
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)