Weather observations for the past three days for
Alma, Gratiot Community 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.
28 22:55 SW 18 G 29 10.00 Mostly Cloudy BKN003 BKN007 42.8 42.8 100% 35 29.17 0.0
28 22:35 SW 8 0.50 Fog VV005 35.6 35.6 100% 30 29.17 0.0
28 22:15 W 5 1.00 Light Drizzle Fog/Mist BKN002 33.8 33.8 100% 30 29.17 0.0
28 21:55 S 3 2.00 Fog/Mist OVC002 33.8 33.8 100% 29.17 0.0
28 21:36 SE 5 3.00 Light Drizzle Fog/Mist OVC002 33.8 32 93% 30 29.18 0.0
28 21:15 E 5 3.00 Light Drizzle Fog/Mist OVC002 33.8 32 93% 30 29.2 0.0
28 20:55 NE 6 4.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 29 29.22 0.0 0.03
28 20:35 N 8 4.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 28 29.26 0.0
28 20:15 E 5 3.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 30 29.27 0.0
28 19:55 NE 7 3.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 28 29.28 0.0 0.01
28 19:35 N 6 2.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 29 29.33 0.0
28 19:16 NE 5 3.00 Light Rain Fog/Mist OVC002 33.8 33.8 100% 30 29.32 0.0
28 18:55 NE 3 3.00 Fog/Mist OVC002 33.8 33.8 33.8 32.2 100% 29.32 0.0
28 18:35 E 8 5.00 Light Drizzle Fog/Mist OVC002 33.8 33.8 100% 28 29.34 0.0
28 18:15 NE 5 8.00 Light Rain OVC002 33.8 33.8 100% 30 29.36 0.0
28 17:55 NE 5 10.00 Light Rain OVC002 33.8 33.8 100% 30 29.37 0.0
28 17:35 N 5 10.00 Overcast OVC002 33.8 33.8 100% 30 29.39 0.0
28 17:15 E 9 10.00 Light Rain OVC002 33.8 33.8 100% 27 29.39 0.0
28 16:56 E 10 10.00 Light Rain BKN002 BKN024 OVC041 33.8 33.8 100% 26 29.42 0.0
28 16:35 E 9 8.00 Light Rain SCT003 BKN008 OVC060 33.8 33.8 100% 27 29.45 0.0
28 16:15 NE 5 4.00 Light Snow Fog/Mist BKN003 BKN012 OVC060 33.8 33.8 100% 30 29.48 0.0
28 15:55 N 3 4.00 Rain Fog/Mist OVC003 33.8 32 93% 29.49 0.0 0.06
28 15:35 NE 7 10.00 Overcast OVC003 33.8 33.8 100% 28 29.46 0.0
28 15:15 E 9 8.00 Light Rain OVC003 33.8 32 93% 27 29.46 0.0
28 14:55 NE 8 4.00 Light Snow Fog/Mist OVC003 32 32 100% 25 29.49 0.0 0.07
28 14:36 NE 7 6.00 Unknown Precip Fog/Mist OVC003 32 32 100% 26 29.52 0.0
28 14:15 NE 7 4.00 Unknown Precip Fog/Mist OVC003 32 32 100% 26 29.53 0.0
28 13:55 NE 10 3.00 Light Snow Fog/Mist OVC003 32 32 100% 24 29.54 0.0 0.13
28 13:35 NE 7 2.00 Light Snow Fog/Mist OVC003 32 32 100% 26 29.57 0.0
28 13:15 NE 3 2.00 Light Snow Fog/Mist OVC003 32 32 100% 29.59 0.0
28 12:55 SE 2 1.50 Light Snow Fog/Mist OVC003 32 32 32.4 31.6 100% 29.61 0.0 0.1
28 12:35 E 6 1.50 Light Snow Fog/Mist OVC003 32 32 100% 27 29.62 0.0
28 12:16 E 8 1.75 Light Rain Fog/Mist OVC001 32 32 100% 25 29.64 0.0
28 11:55 E 5 1.50 Light Rain Fog/Mist OVC001 32 32 100% 28 29.67 0.0 0.06
28 11:35 NE 6 1.00 Unknown Precip Fog/Mist OVC001 32 32 100% 27 29.69 0.0
28 11:15 NE 5 0.75 Light Rain Fog/Mist OVC001 32 32 100% 28 29.72 0.0
28 10:55 E 6 0.25 Unknown Precip Fog VV002 32 32 100% 27 29.72 0.0
28 10:35 E 7 0.25 Unknown Precip Freezing Fog VV002 32 32 100% 26 29.72 0.0
28 10:15 E 9 0.25 Unknown Precip Freezing Fog VV002 32 32 100% 25 29.72 0.0
28 09:56 E 5 0.25 Unknown Precip Freezing Fog VV002 32 32 100% 28 29.74 0.0
28 09:35 E 6 0.50 Freezing Fog OVC002 32 32 100% 27 29.75 0.0
28 09:15 E 6 0.50 Freezing Fog OVC002 32 32 100% 27 29.76 0.0
28 08:55 NE 7 0.50 Freezing Fog OVC002 32 32 100% 26 29.76 0.0
28 08:35 E 8 0.75 Fog/Mist OVC002 32 32 100% 25 29.75 0.0
28 08:15 NE 8 1.25 Fog/Mist OVC002 32 32 100% 25 29.76 0.0
28 07:55 E 9 1.00 Fog/Mist OVC002 32 32 100% 25 29.76 0.0
28 07:36 NE 7 1.00 Unknown Precip Fog/Mist OVC002 32 32 100% 26 29.78 0.0
28 07:15 E 5 1.25 Unknown Precip Fog/Mist OVC002 32 32 100% 28 29.79 0.0
28 06:55 E 6 1.25 Fog/Mist OVC002 32 32 31.6 30 100% 27 29.8 0.0
28 06:35 E 6 1.50 Fog/Mist OVC002 32 32 100% 27 29.8 0.0
28 06:15 SE 6 1.75 Light Snow Fog/Mist OVC002 32 32 100% 27 29.81 0.0
28 05:55 E 6 1.75 Light Snow Fog/Mist OVC002 32 32 100% 27 29.81 0.0 0.01
28 05:35 E 6 1.50 Light Snow Fog/Mist OVC002 32 30.2 93% 27 29.82 0.0
28 05:16 E 8 1.75 Light Snow Fog/Mist OVC002 32 30.2 93% 25 29.82 0.0
28 04:55 E 6 1.50 Light Snow Fog/Mist OVC002 30.2 30.2 100% 25 29.84 0.0
28 04:35 E 7 1.75 Fog/Mist OVC002 30.2 30.2 100% 24 29.85 0.0
28 04:15 E 6 2.00 Fog/Mist OVC002 30.2 30.2 100% 25 29.85 0.0
28 03:35 SE 8 3.00 Fog/Mist OVC004 30.2 30.2 100% 23 29.89 0.0
28 03:15 E 7 5.00 Fog/Mist OVC004 30.2 30.2 100% 24 29.89 0.0
28 02:56 E 8 6.00 Fog/Mist OVC004 30.2 30.2 100% 23 29.89 0.0
28 02:35 SE 6 6.00 Fog/Mist OVC004 30.2 30.2 100% 25 29.91 0.0
28 02:15 E 7 7.00 Fog/Mist OVC004 30.2 30.2 100% 24 29.91 0.0
28 01:55 E 5 7.00 Fog/Mist OVC004 30.2 30.2 100% 26 29.93 0.0
28 01:35 SE 8 7.00 Overcast OVC004 30.2 30.2 100% 23 29.95 0.0
28 01:15 SE 9 8.00 Overcast OVC004 30.2 30.2 100% 23 29.94 0.0
28 00:55 SE 8 8.00 Overcast OVC004 30.2 28.4 31.6 30.2 93% 23 29.94 0.0
28 00:36 SE 9 9.00 Overcast OVC004 30.2 28.4 93% 23 29.96 0.0
28 00:15 SE 9 9.00 Overcast OVC004 30.2 30.2 100% 23 29.96 0.0
27 23:55 SE 10 8.00 Overcast OVC005 30.2 28.4 93% 22 29.97 0.0
27 23:35 SE 8 7.00 Fog/Mist OVC005 30.2 30.2 100% 23 29.98 0.0
27 23:15 S 9 9.00 Overcast OVC005 30.2 30.2 100% 23 29.99 0.0
27 22:55 SE 9 7.00 Overcast OVC005 30.2 30.2 100% 23 29.99 0.0
27 22:36 SE 7 7.00 Overcast OVC005 30.2 30.2 100% 24 30 0.0
27 22:15 SE 10 7.00 Overcast OVC005 30.2 30.2 100% 22 30 0.0
27 21:55 S 9 7.00 Fog/Mist OVC005 30.2 30.2 100% 23 30 0.0
27 21:35 SE 13 7.00 Overcast OVC005 30.2 30.2 100% 21 30.01 0.0
27 21:15 SE 10 7.00 Overcast OVC005 30.2 30.2 100% 22 30 0.0
27 20:55 S 9 7.00 Overcast OVC005 32 30.2 93% 25 30.02 0.0
27 20:35 S 10 7.00 Overcast OVC007 32 30.2 93% 24 30.01 0.0
27 20:16 S 13 G 18 9.00 Overcast OVC007 32 30.2 93% 23 30.01 0.0
27 19:55 SE 10 10.00 Overcast OVC007 32 30.2 93% 24 30.01 0.0
27 19:35 SE 10 10.00 Overcast OVC007 32 30.2 93% 24 30.02 0.0
27 19:15 SE 12 G 18 10.00 Overcast OVC007 32 30.2 93% 24 30.03 0.0
27 18:55 SE 12 G 17 10.00 Overcast OVC007 32 30.2 31.8 30.7 93% 24 30.04 0.0
27 18:35 SE 8 10.00 Overcast OVC007 32 30.2 93% 25 30.03 0.0
27 18:15 SE 13 10.00 Overcast OVC007 32 30.2 93% 23 30.04 0.0
27 17:56 SE 8 10.00 Overcast OVC007 32 30.2 93% 25 30.04 0.0
27 17:35 SE 9 10.00 Overcast OVC007 32 30.2 93% 25 30.03 0.0
27 17:15 SE 9 10.00 Overcast OVC007 32 30.2 93% 25 30.05 0.0
27 16:55 SE 9 10.00 Overcast OVC007 32 30.2 93% 25 30.04 0.0
27 16:35 SE 10 10.00 Overcast OVC007 32 28.4 87% 24 30.03 0.0
27 16:15 SE 8 10.00 Overcast OVC007 32 30.2 93% 25 30.05 0.0
27 15:55 SE 10 6.00 Fog/Mist OVC005 32 30.2 93% 24 30.05 0.0
27 15:36 SE 7 6.00 Fog/Mist OVC005 32 30.2 93% 26 30.04 0.0
27 15:15 SE 9 7.00 Overcast OVC005 30.2 30.2 100% 23 30.04 0.0
27 14:55 S 12 6.00 Fog/Mist OVC005 32 30.2 93% 24 30.04 0.0
27 14:35 S 12 7.00 Fog/Mist OVC005 30.2 30.2 100% 21 30.04 0.0
27 14:15 SE 10 7.00 Fog/Mist OVC005 30.2 30.2 100% 22 30.05 0.0
27 13:55 S 9 8.00 Overcast OVC005 30.2 30.2 100% 23 30.05 0.0
27 13:35 SE 7 9.00 Overcast OVC005 32 30.2 93% 26 30.05 0.0
27 13:16 E 7 10.00 Overcast OVC007 32 30.2 93% 26 30.06 0.0
27 12:55 SE 8 9.00 Overcast BKN007 OVC013 32 30.2 32 30.6 93% 25 30.06 0.0
27 12:35 SE 7 7.00 Light Snow BKN007 OVC013 32 30.2 93% 26 30.07 0.0
27 12:15 SE 7 7.00 Overcast SCT009 OVC015 32 30.2 93% 26 30.08 0.0
27 11:55 SE 7 9.00 Overcast OVC015 32 30.2 93% 26 30.09 0.0
27 11:35 SE 6 10.00 Overcast OVC013 32 28.4 87% 27 30.1 0.0
27 11:15 E 6 10.00 Overcast BKN009 OVC016 32 28.4 87% 27 30.1 0.0
27 10:56 SE 5 10.00 Overcast OVC009 32 28.4 87% 28 30.11 0.0
27 10:35 SE 6 10.00 Overcast OVC009 30.2 28.4 93% 25 30.1 0.0
27 10:15 SE 7 10.00 Overcast OVC009 30.2 28.4 93% 24 30.1 0.0
27 09:55 SE 3 10.00 Overcast OVC011 30.2 28.4 93% 30.09 0.0
27 09:35 SE 8 10.00 Overcast OVC011 30.2 28.4 93% 23 30.08 0.0
27 09:15 SE 6 10.00 Overcast OVC009 30.2 28.4 93% 25 30.08 0.0
27 08:55 SE 5 10.00 Overcast OVC009 30.2 28.4 93% 26 30.08 0.0
27 08:36 SE 6 10.00 Overcast OVC009 30.2 28.4 93% 25 30.07 0.0
27 08:15 SE 6 10.00 Overcast OVC011 30.2 28.4 93% 25 30.07 0.0
27 07:55 SE 3 10.00 Overcast OVC013 30.2 28.4 93% 30.07 0.0
27 07:35 E 3 10.00 Overcast OVC013 30.2 28.4 93% 30.07 0.0
27 07:15 SE 3 10.00 Overcast OVC015 30.2 28.4 93% 30.06 0.0
27 06:55 E 5 10.00 Overcast OVC015 30.2 28.4 33.4 30.7 93% 26 30.06 0.0
27 06:35 E 6 10.00 Overcast OVC015 30.2 28.4 93% 25 30.06 0.0
27 06:16 E 7 10.00 Overcast OVC015 30.2 28.4 93% 24 30.05 0.0
27 05:55 E 7 10.00 Overcast OVC017 30.2 28.4 93% 24 30.03 0.0
27 05:35 E 6 10.00 Overcast FEW010 OVC017 30.2 28.4 93% 25 30.03 0.0
27 05:15 E 7 10.00 Light Snow SCT009 OVC017 32 30.2 93% 26 30.03 0.0
27 04:55 NE 6 10.00 Overcast FEW013 OVC019 32 30.2 93% 27 30.03 0.0
27 04:35 E 6 10.00 Light Snow FEW010 FEW013 OVC019 32 30.2 93% 27 30.02 0.0
27 04:15 NE 5 9.00 Light Snow OVC019 32 30.2 93% 28 30.02 0.0
27 03:56 NE 3 10.00 Unknown Precip OVC017 32 30.2 93% 30.02 0.0
27 03:35 E 3 10.00 Overcast OVC017 32 30.2 93% 30.01 0.0
27 03:15 NE 3 10.00 Overcast OVC017 32 30.2 93% 30 0.0
27 02:55 NE 5 10.00 Overcast OVC017 32 30.2 93% 28 29.99 0.0
27 02:35 NE 5 10.00 Overcast OVC015 32 30.2 93% 28 29.99 0.0
27 02:15 E 3 10.00 Overcast OVC015 32 30.2 93% 29.98 0.0
27 01:55 N 5 10.00 Overcast OVC017 33.8 30.2 87% 30 29.97 0.0
27 01:36 NE 6 10.00 Overcast OVC015 33.8 30.2 87% 29 29.95 0.0
27 01:15 NE 3 10.00 Overcast OVC015 33.8 30.2 87% 29.95 0.0
27 00:55 NE 2 10.00 Overcast OVC015 32 30.2 33.4 32.7 93% 29.95 0.0
27 00:35 N 3 10.00 Overcast OVC015 33.8 30.2 87% 29.94 0.0
27 00:15 N 3 10.00 Overcast OVC015 33.8 30.2 87% 29.93 0.0
26 23:55 NW 3 10.00 Overcast OVC015 33.8 30.2 87% 29.93 0.0
26 23:35 NW 5 10.00 Overcast OVC015 33.8 32 93% 30 29.93 0.0
26 23:16 NW 3 10.00 Overcast OVC012 32 32 100% 29.93 0.0
26 22:55 NW 5 10.00 Overcast OVC014 33.8 32 93% 30 29.92 0.0
26 22:35 W 3 10.00 Overcast OVC014 33.8 32 93% 29.91 0.0
26 22:15 NW 2 10.00 Overcast OVC014 32 32 100% 29.9 0.0
26 21:55 NW 3 10.00 Overcast OVC014 33.8 32 93% 29.89 0.0
26 21:35 NW 3 10.00 Overcast OVC014 33.8 32 93% 29.88 0.0
26 21:15 NW 5 10.00 Overcast OVC012 33.8 32 93% 30 29.89 0.0
26 20:56 NW 5 10.00 Overcast OVC012 33.8 32 93% 30 29.87 0.0
26 20:35 NW 5 10.00 Overcast OVC012 33.8 32 93% 30 29.86 0.0
26 20:15 NW 5 10.00 Overcast OVC012 33.8 32 93% 30 29.85 0.0
26 19:55 W 6 10.00 Overcast BKN009 OVC016 33.8 32 93% 29 29.84 0.0
26 19:35 NW 5 10.00 Overcast BKN009 BKN014 OVC028 32 32 100% 28 29.82 0.0
26 19:15 NW 5 9.00 Overcast OVC008 33.8 32 93% 30 29.82 0.0
26 18:55 W 6 7.00 Overcast OVC006 32 32 32.7 31.3 100% 27 29.81 0.0
26 18:36 NW 6 5.00 Fog/Mist OVC004 32 32 100% 27 29.8 0.0
26 18:15 W 5 4.00 Fog/Mist OVC004 32 32 100% 28 29.79 0.0
26 17:55 W 3 3.00 Fog/Mist OVC004 32 32 100% 29.78 0.0
26 17:35 NW 3 5.00 Fog/Mist OVC004 32 32 100% 29.76 0.0
26 17:15 NW 6 6.00 Fog/Mist OVC004 32 32 100% 27 29.75 0.0
26 16:55 NW 6 7.00 Overcast OVC004 32 32 100% 27 29.74 0.0
26 16:35 NW 5 9.00 Overcast OVC004 32 32 100% 28 29.72 0.0
26 16:16 NW 3 10.00 Overcast OVC004 32 32 100% 29.7 0.0
26 15:55 NW 5 8.00 Overcast OVC004 32 32 100% 28 29.69 0.0
26 15:35 NW 3 10.00 Overcast OVC004 32 30.2 93% 29.68 0.0
26 15:15 N 5 6.00 Fog/Mist OVC004 32 30.2 93% 28 29.67 0.0
26 14:55 N 7 4.00 Fog/Mist OVC004 32 30.2 93% 26 29.67 0.0
26 14:35 N 5 6.00 Fog/Mist OVC004 32 30.2 93% 28 29.66 0.0
26 14:15 N 5 5.00 Fog/Mist OVC004 32 30.2 93% 28 29.66 0.0
26 13:56 N 3 5.00 Fog/Mist OVC004 32 30.2 93% 29.65 0.0
26 13:35 NE 5 3.00 Fog/Mist OVC004 32 30.2 93% 28 29.64 0.0
26 13:15 NE 5 4.00 Fog/Mist OVC004 32 30.2 93% 28 29.64 0.0
26 12:55 NE 3 7.00 Overcast OVC004 32 30.2 31.5 30 93% 29.65 0.0
26 12:35 NE 2 10.00 Overcast OVC004 32 30.2 93% 29.66 0.0
26 11:55 E 3 2.00 Light Snow Fog/Mist OVC004 32 30.2 93% 29.67 0.0 0.08
26 11:36 E 7 2.50 Unknown Precip Fog/Mist OVC004 32 30.2 93% 26 29.68 0.0
26 11:15 NE 3 1.25 Unknown Precip Fog/Mist OVC004 32 30.2 93% 29.7 0.0
26 10:55 NE 3 1.00 Unknown Precip Fog/Mist OVC006 32 30.2 93% 29.7 0.0 0.04
26 10:35 E 3 4.00 Unknown Precip Fog/Mist OVC006 32 30.2 93% 29.7 0.0
26 10:15 SE 5 2.50 Light Snow Fog/Mist OVC006 32 30.2 93% 28 29.7 0.0
26 09:55 Vrbl 6 6.00 Light Snow Fog/Mist BKN008 OVC018 30.2 28.4 93% 25 29.71 0.0 0.15
26 09:35 SE 9 7.00 Light Snow Fog/Mist BKN021 BKN036 OVC070 30.2 28.4 93% 23 29.69 0.0
26 09:16 SE 9 1.25 Light Snow Fog/Mist BKN021 BKN029 OVC039 30.2 28.4 93% 23 29.71 0.0
26 08:55 SE 6 2.00 Light Snow Fog/Mist BKN019 BKN033 OVC048 30.2 28.4 93% 25 29.75 0.0 0.1
26 08:35 E 3 3.00 Light Snow Haze OVC021 30.2 26.6 86% 29.78 0.0
26 08:15 SE 2 10.00 Light Snow OVC021 30.2 24.8 80% 29.78 0.0
26 07:55 E 12 G 16 10.00 Light Snow OVC023 30.2 24.8 80% 21 29.74 0.0
26 07:35 SE 9 10.00 Light Snow OVC025 30.2 24.8 80% 23 29.79 0.0
26 07:15 E 8 10.00 Overcast OVC027 30.2 24.8 80% 23 29.81 0.0
26 06:56 E 12 10.00 Light Snow OVC027 30.2 26.6 86% 21 29.81 0.0
26 06:35 E 12 10.00 Overcast OVC027 30.2 26.6 86% 21 29.82 0.0
26 06:15 E 12 G 20 10.00 Light Snow OVC029 30.2 26.6 86% 21 29.84 0.0
26 05:55 E 12 G 18 10.00 Light Snow OVC029 30.2 26.6 86% 21 29.86 0.0
26 05:35 E 9 10.00 Light Snow OVC029 30.2 26.6 86% 23 29.87 0.0
26 05:15 E 12 10.00 Overcast OVC031 30.2 26.6 86% 21 29.9 0.0
26 04:55 E 6 10.00 Light Snow SCT016 OVC031 30.2 24.8 80% 25 29.95 0.0
26 04:36 E 9 10.00 Light Snow OVC016 28.4 24.8 86% 20 29.95 0.0
26 04:15 E 9 10.00 Overcast OVC016 28.4 23 80% 20 29.95 0.0
26 03:55 E 12 10.00 Overcast OVC016 28.4 23 80% 19 29.96 0.0
26 03:35 SE 8 10.00 Overcast BKN018 OVC055 28.4 23 80% 21 30 0.0
26 03:15 SE 8 G 16 10.00 Overcast SCT018 OVC065 28.4 23 80% 21 29.99 0.0
26 02:55 SE 10 G 16 10.00 Partly Cloudy SCT018 SCT049 SCT120 28.4 23 80% 20 30.01 0.0
26 02:35 E 8 10.00 A Few Clouds FEW049 28.4 23 80% 21 30.05 0.0
26 02:16 E 9 10.00 Fair CLR 28.4 23 80% 20 30.04 0.0
26 01:55 E 12 10.00 Fair CLR 26.6 23 86% 17 30.03 0.0
26 01:35 E 9 10.00 Fair CLR 26.6 23 86% 18 30.06 0.0
26 01:15 E 9 10.00 Fair CLR 26.6 21.2 80% 18 30.07 0.0
26 00:55 E 9 10.00 Fair CLR 26.6 21.2 29.3 26.4 80% 18 30.08 0.0
26 00:35 E 13 10.00 Fair CLR 26.6 23 86% 16 30.09 0.0
26 00:15 E 12 10.00 Fair CLR 26.6 21.2 80% 17 30.11 0.0
25 23:56 E 13 10.00 Fair CLR 26.6 21.2 80% 16 30.12 0.0
25 23:35 E 12 10.00 Fair CLR 26.6 21.2 80% 17 30.15 0.0
25 23:15 E 12 10.00 Fair CLR 26.6 23 86% 17 30.16 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)