Weather observations for the past three days for
Aurora, Aurora Municipal Airport
Metric (Imperial)
Date Time (cdt) 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.
21 15:15 SE 11 16.09 Overcast SCT014 OVC020 20 16.9 82% 75.84 0.0
21 14:55 E 9 16.09 Overcast OVC022 20 16.8 82% 75.84 0.0
21 14:35 E 9 16.09 Overcast OVC016 19.7 17 85% 75.84 0.0
21 14:15 E 13 16.09 Overcast BKN016 OVC022 19.8 17.1 85% 75.84 0.0
21 13:55 E 9 16.09 Overcast BKN014 OVC020 19.6 16.9 85% 75.82 0.0
21 13:35 E 11 16.09 Overcast SCT014 OVC020 20 17.1 83% 75.82 0.0
21 13:15 E 13 16.09 Overcast OVC015 19.8 16.9 83% 75.82 0.0
21 12:55 E 17 16.09 Overcast OVC015 20.7 17.1 20.8 17 80% 75.79 0.0
21 12:15 NE 13 16.09 Overcast OVC009 19.2 17.6 91% 75.79 0.0
21 11:55 E 17 16.09 Overcast OVC005 18.4 17.6 95% 75.77 0.0
21 11:35 NE 20 11.27 Overcast OVC003 17.9 17.3 96% 75.77 0.0
21 10:55 NE 15 3.22 Fog/Mist OVC003 17.5 17 97% 75.77 0.0
21 10:35 NE 13 2.82 Fog/Mist OVC005 17.5 17 97% 75.74 0.0
21 10:15 NE 11 4.83 Fog/Mist OVC005 17.5 16.9 96% 75.77 0.0
21 09:55 NE 15 11.27 Overcast OVC005 17.4 16.8 96% 75.74 0.0
21 09:35 NE 13 16.09 Overcast OVC007 17.5 17 97% 75.74 0.0
21 09:15 NE 11 16.09 Overcast OVC009 17.5 17 97% 75.69 0.0
21 08:55 NE 7 16.09 Overcast OVC007 17.5 16.8 96% 75.72 0.0
21 08:35 E 11 16.09 Overcast OVC007 17.5 16.8 96% 75.72 0.0
21 08:15 NE 9 16.09 Overcast OVC007 17.4 16.8 96% 75.72 0.0
21 07:55 NE 13 16.09 Overcast OVC007 17.3 16.7 96% 75.69 0.0
21 07:35 E 13 16.09 Overcast OVC005 17.2 16.6 96% 75.67 0.0
21 06:55 E 20 G 31 16.09 Overcast OVC005 17 16.5 18.1 16.7 97% 75.57 0.0 0.41
21 06:35 SE 22 G 28 16.09 Overcast BKN005 OVC012 16.8 16.2 96% 75.57 0.0
21 06:15 SE 24 16.09 Overcast SCT005 OVC014 16.7 16.1 96% 75.54 0.0
21 05:55 E 24 G 31 16.09 Overcast BKN005 OVC012 16.8 16.2 96% 75.59 0.0 0.03
21 05:35 E 17 16.09 Overcast BKN005 OVC012 17 16.4 96% 75.64 0.0 0.03
21 05:15 E 22 G 28 16.09 Overcast SCT005 BKN008 OVC060 17 16.5 97% 75.67 0.0
21 04:55 NE 24 G 35 16.09 Light Rain SCT020 SCT031 OVC060 17.2 16.6 96% 75.72 0.0 0.25
21 04:35 NE 19 16.09 Rain BKN020 OVC042 17 16.5 97% 75.79 0.0 0.13
21 04:15 N 20 16.09 Light Rain BKN020 BKN060 OVC120 17 16.5 97% 75.84 0.0 0.05
21 03:55 NE 13 16.09 Light Rain SCT065 OVC120 17 16.5 97% 75.79 0.0 0.08 0.13
21 03:35 E 11 16.09 Light Rain BKN065 BKN080 OVC120 17.1 16.5 96% 75.82 0.0 0.03
21 03:15 E 19 16.09 Light Rain SCT005 SCT034 BKN048 17.1 16.5 96% 75.79 0.0
21 02:35 E 19 11.27 Light Drizzle SCT006 BKN018 OVC048 17.3 16.7 96% 75.79 0.0 0.03
21 02:15 E 17 11.27 Light Rain SCT006 BKN011 OVC017 17.4 16.7 96% 75.84 0.0
21 01:55 NE 17 16.09 Drizzle SCT007 OVC013 17.5 17 97% 75.84 0.0
21 01:35 NE 19 16.09 Overcast SCT007 BKN010 OVC050 17.7 16.9 95% 75.87 0.0
21 01:15 E 11 16.09 Overcast OVC050 18 16.4 90% 75.82 0.0
21 00:55 E 13 16.09 Overcast OVC060 18.1 16.1 18.2 17.3 88% 75.82 0.0 0.94
21 00:35 E 20 16.09 Overcast OVC060 18 16.1 89% 75.72 0.0
21 00:15 E 28 G 39 16.09 Overcast OVC070 18.1 16.1 88% 75.69 0.0
20 23:55 SE 30 G 41 16.09 Overcast BKN060 OVC065 18.1 16.2 89% 75.67 0.0
20 23:35 SE 20 16.09 Overcast OVC070 18.1 16.3 89% 75.77 0.0
20 23:15 SE 22 16.09 Overcast OVC060 18 16.5 91% 75.84 0.0
20 22:55 SE 24 G 33 16.09 Overcast OVC060 18.1 16.5 90% 75.9 0.0
20 22:35 SE 28 G 33 16.09 Overcast OVC060 17.8 16.6 93% 75.79 0.0
20 22:15 SE 28 G 35 16.09 Mostly Cloudy BKN060 17.8 16.8 94% 75.82 0.0
20 21:55 SE 26 16.09 Fair CLR 17.5 16.8 96% 75.77 0.0 0.03 0.94
20 21:35 SE 26 G 35 16.09 Partly Cloudy SCT006 SCT011 SCT042 17.3 16.7 96% 75.79 0.0 0.03
20 21:15 SE 20 G 30 16.09 Light Rain SCT006 BKN043 OVC075 17.5 17 97% 75.9 0.0 0.03
20 20:55 SE 28 G 46 8.05 Thunderstorm Rain SCT011 BKN044 OVC050 17.9 17.2 96% 75.87 0.0 0.66
20 20:35 W 17 G 35 8.05 Thunderstorm Heavy Rain in Vicinity SCT009 SCT014 OVC065 17.7 17.1 96% 76.07 0.0 0.3
20 20:15 SE 20 G 43 11.27 Thunderstorm Rain OVC065 17.6 17 96% 75.95 0.0 0.08
20 19:55 SE 33 G 44 16.09 Light Rain and Breezy OVC065 17.7 17.1 96% 75.92 0.0 0.23
20 19:35 SE 22 G 46 11.27 Thunderstorm Light Rain SCT005 SCT024 OVC065 17.7 17.1 96% 75.92 0.0 0.2
20 19:15 SE 28 G 43 16.09 Thunderstorm Rain in Vicinity SCT005 OVC065 17.6 17 96% 75.87 0.0 0.05
20 18:55 SE 26 G 39 16.09 Light Rain SCT005 OVC065 17.6 17 18.5 17 96% 75.84 0.0 0.03 1.45
20 18:35 E 26 16.09 Overcast BKN007 OVC065 17.5 17 97% 75.92 0.0
20 18:15 E 26 G 35 11.27 Light Rain SCT007 OVC075 17.6 17 96% 75.95 0.0
20 17:55 E 26 16.09 Light Drizzle SCT008 SCT012 OVC075 17.6 17 96% 76.02 0.0 0.03
20 17:35 E 20 G 30 16.09 Overcast SCT008 OVC014 17.7 17.1 96% 76.1 0.0
20 17:15 E 22 G 28 16.09 Overcast SCT009 OVC015 17.6 17 96% 76.07 0.0
20 16:55 E 20 G 31 16.09 Light Rain OVC007 17.8 17.2 96% 76.07 0.0 0.05
20 16:35 NE 20 16.09 Thunderstorm OVC007 18.1 17.5 96% 76.12 0.0
20 16:15 SE 19 16.09 Overcast OVC005 18.3 17.7 96% 76.02 0.0
20 15:55 SE 19 G 28 16.09 Thunderstorm in Vicinity BKN005 OVC095 18 17.3 96% 76.02 0.0 0.48 1.35
20 15:35 SE 22 G 33 16.09 Overcast SCT005 SCT026 OVC095 17.9 17.4 97% 76.07 0.0 0.48
20 15:15 SE 26 G 31 2.82 Thunderstorm Heavy Rain in Vicinity SCT031 BKN050 OVC065 17.2 16.6 96% 76.07 0.0 0.46
20 14:55 SE 17 4.83 Thunderstorm Heavy Rain in Vicinity SCT031 BKN065 OVC100 17.1 16.5 96% 76.15 0.0 0.69
20 14:35 E 6 3.22 Thunderstorm Heavy Rain in Vicinity SCT033 BKN045 OVC075 17.2 16.6 96% 76.23 0.0 0.33
20 14:15 W 7 16.09 Thunderstorm Light Rain SCT070 OVC110 17.3 16.6 96% 76.33 0.0 0.03
20 13:55 SE 17 16.09 Thunderstorm Drizzle SCT075 BKN090 OVC110 17.2 16.5 96% 76.17 0.0 0.15
20 13:35 S 13 16.09 Thunderstorm Light Rain in Vicinity SCT035 BKN080 OVC110 17.1 16.3 95% 76.28 0.0 0.13
20 13:15 SW 7 16.09 Thunderstorm Rain SCT034 SCT070 BKN120 17.1 16.4 96% 76.33 0.0 0.05
20 12:55 SE 15 G 41 8.05 Thunderstorm Light Rain SCT080 OVC110 17.1 16.6 20.5 16.1 97% 76.17 0.0 0.28 0.43
20 12:35 SE 13 8.05 Thunderstorm Rain in Vicinity SCT047 BKN080 OVC110 17.7 17.1 96% 76.33 0.0 0.15
20 12:15 N 11 8.05 Thunderstorm Light Rain in Vicinity BKN039 BKN047 OVC080 17.8 17.2 96% 76.38 0.0 0.1
20 11:55 Calm 16.09 Thunderstorm Light Rain OVC037 18 17.3 96% 76.38 0.0 0.1
20 11:35 Calm 16.09 Thunderstorm Light Rain in Vicinity SCT037 BKN050 OVC120 18 17.2 95% 76.35 0.0 0.08
20 11:15 E 11 16.09 Thunderstorm Rain SCT095 OVC120 17.9 16.9 94% 76.3 0.0 0.05
20 10:55 NE 11 16.09 Thunderstorm Light Rain in Vicinity SCT060 OVC120 18.2 17 93% 76.28 0.0 0.03
20 10:35 E 7 16.09 Light Rain SCT060 SCT070 BKN085 18.7 16.6 88% 76.3 0.0
20 10:15 SE 17 16.09 Partly Cloudy SCT060 SCT075 SCT090 19.1 15.9 82% 76.25 0.0
20 09:55 SE 11 16.09 Mostly Cloudy SCT060 SCT075 BKN090 19.5 15.8 79% 76.3 0.0
20 09:35 SE 13 16.09 Fair CLR 19.7 15.3 76% 76.33 0.0
20 09:15 SE 15 16.09 Fair CLR 20.1 15.6 75% 76.28 0.0
20 08:55 SE 11 16.09 Mostly Cloudy SCT085 BKN110 19.7 16.1 80% 76.3 0.0
20 08:35 Calm 16.09 Mostly Cloudy BKN085 BKN120 18.7 15.7 83% 76.35 0.0
20 08:15 E 7 16.09 Mostly Cloudy BKN095 BKN110 19.1 15.3 79% 76.35 0.0
20 07:55 SE 7 16.09 Mostly Cloudy BKN095 18.9 15.5 81% 76.35 0.0
20 07:15 Calm 16.09 Partly Cloudy SCT095 17.1 16.1 94% 76.4 0.0
20 06:55 SE 7 8.05 Fog/Mist SCT090 16 15.4 16.2 14.5 96% 76.38 0.0
20 06:35 SE 7 6.44 Fog/Mist OVC090 15.6 15 96% 76.38 0.0
20 05:55 E 6 11.27 Overcast OVC080 16 15.4 96% 76.38 0.0
20 05:35 S 6 16.09 Overcast OVC080 15.7 15.1 96% 76.4 0.0
20 05:15 Calm 16.09 Mostly Cloudy BKN090 15.7 15 96% 76.4 0.0
20 04:55 Calm 16.09 Overcast OVC090 16.1 15.2 94% 76.4 0.0
20 04:35 Calm 16.09 Overcast OVC090 16 15.3 96% 76.4 0.0
20 04:15 Calm 16.09 Overcast OVC090 15.5 14.8 96% 76.4 0.0
20 03:55 S 6 16.09 Overcast OVC090 15.9 15 94% 76.4 0.0
20 03:35 Calm 16.09 Overcast OVC090 15.1 14.5 96% 76.4 0.0
20 03:15 Calm 16.09 Mostly Cloudy BKN090 14.8 14.2 96% 76.4 0.0
20 02:55 Calm 16.09 Mostly Cloudy BKN090 14.6 14 96% 76.4 0.0
20 02:35 Calm 16.09 Mostly Cloudy BKN090 14.5 14 97% 76.4 0.0
20 02:15 Calm 16.09 Mostly Cloudy BKN090 14.6 14.1 97% 76.43 0.0
20 01:55 Calm 16.09 Mostly Cloudy BKN090 14.9 14.2 96% 76.43 0.0
20 01:35 Calm 16.09 Overcast OVC090 15 14.2 95% 76.4 0.0
20 01:15 Calm 16.09 Mostly Cloudy BKN090 15.6 14.1 91% 76.43 0.0
20 00:55 Calm 16.09 Overcast OVC090 16 14.7 21.4 15.6 92% 76.43 0.0
20 00:35 Calm 16.09 Mostly Cloudy BKN090 15.6 14.6 94% 76.4 0.0
20 00:15 Calm 16.09 Partly Cloudy SCT090 15.7 14.8 94% 76.4 0.0
19 23:55 E 7 16.09 Mostly Cloudy BKN090 16 15 94% 76.4 0.0
19 23:35 E 6 16.09 Overcast OVC090 16.5 15.2 92% 76.4 0.0
19 23:15 E 6 16.09 Overcast SCT070 OVC090 17 15.5 91% 76.4 0.0
19 22:55 NE 7 16.09 Overcast SCT070 OVC090 17.6 15.4 87% 76.38 0.0
19 22:35 E 6 16.09 Overcast OVC070 18.1 15 82% 76.38 0.0
19 22:15 SE 9 16.09 Overcast OVC060 18.3 15 81% 76.35 0.0
19 21:35 E 11 16.09 Overcast OVC070 19 15 78% 76.35 0.0
19 21:15 E 11 16.09 Overcast OVC070 19.2 14.6 75% 76.35 0.0
19 20:55 E 9 16.09 Overcast OVC070 19.5 15.2 76% 76.35 0.0
19 20:35 E 9 16.09 Overcast SCT037 OVC070 19.8 14.7 73% 76.33 0.0
19 20:15 E 11 16.09 Partly Cloudy SCT037 SCT070 SCT080 20.1 15.5 75% 76.33 0.0
19 19:55 E 15 16.09 Mostly Cloudy BKN070 21.3 15.9 71% 76.33 0.0
19 19:35 E 7 16.09 Overcast SCT055 OVC070 21.2 15.5 70% 76.33 0.0
19 19:15 E 7 16.09 Overcast SCT055 OVC070 21.1 15.5 71% 76.33 0.0
19 18:55 E 7 16.09 Overcast BKN055 OVC070 21.2 15.2 22.5 18.3 69% 76.33 0.0 0.08
19 18:35 E 7 16.09 Overcast SCT055 SCT065 OVC080 21.3 15.2 68% 76.33 0.0
19 18:15 E 6 16.09 Light Rain OVC080 21.3 15.2 68% 76.33 0.0
19 17:55 E 7 16.09 Overcast SCT050 OVC080 21.3 14.4 65% 76.35 0.0
19 17:35 E 9 16.09 Overcast SCT050 OVC080 21.5 14.4 64% 76.35 0.0
19 17:15 E 7 16.09 Overcast BKN050 OVC080 21.5 14 62% 76.38 0.0
19 16:55 E 7 16.09 Overcast SCT055 OVC080 22 14.6 63% 76.38 0.0
19 16:35 NE 6 16.09 Overcast OVC080 22.1 15.7 67% 76.38 0.0
19 16:15 NE 6 16.09 Overcast OVC080 21.3 16.3 73% 76.4 0.0
19 15:35 Calm 16.09 Mostly Cloudy BKN090 BKN110 20.5 17.2 81% 76.43 0.0 0.03
19 15:15 Calm 8.05 Light Rain SCT026 BKN090 OVC120 19.1 17.5 91% 76.43 0.0 0.03
19 14:55 S 7 16.09 Thunderstorm Light Rain SCT070 BKN090 OVC120 18.4 17 92% 76.43 0.0 0.05
19 14:35 SW 6 16.09 Thunderstorm Light Rain SCT055 BKN090 OVC110 19.8 17.7 88% 76.45 0.0 0.03
19 14:15 S 6 16.09 Thunderstorm Light Rain SCT065 BKN080 OVC120 20 17.1 83% 76.43 0.0
19 13:55 W 6 16.09 Thunderstorm in Vicinity SCT090 BKN120 20.5 16.5 78% 76.45 0.0
19 13:35 Calm 16.09 Light Rain SCT032 SCT050 BKN110 21 15.7 72% 76.35 0.0
19 13:15 NW 11 16.09 Thunderstorm in Vicinity SCT031 SCT044 BKN110 22.5 15.7 66% 76.38 0.0
19 12:55 Calm 16.09 Light Rain SCT032 SCT045 OVC110 22 15.7 24.8 14.6 68% 76.35 0.0
19 12:35 SW 15 G 26 16.09 Drizzle SCT060 OVC100 21.9 14.7 64% 76.4 0.0
19 12:15 SW 7 16.09 Overcast OVC100 23 13.5 55% 76.4 0.0
19 11:55 SW 7 16.09 Overcast OVC100 23.9 12.7 50% 25 76.38 0.0
19 11:35 SW 11 16.09 Overcast OVC110 24.6 13.3 49% 26 76.38 0.0
19 11:15 SW 13 16.09 Overcast OVC120 24.2 13.1 50% 25 76.35 0.0
19 10:55 SW 13 16.09 Mostly Cloudy BKN120 23.5 12.8 51% 76.38 0.0
19 10:35 SW 19 G 26 16.09 Partly Cloudy SCT120 23.6 12.9 51% 76.38 0.0
19 10:15 SW 13 16.09 Partly Cloudy SCT120 23.6 12.9 51% 76.35 0.0
19 09:55 SW 17 16.09 Partly Cloudy SCT120 23.8 13.2 52% 76.33 0.0
19 09:35 W 13 16.09 Fair CLR 23.1 12.8 52% 76.3 0.0
19 09:15 SW 11 16.09 Fair CLR 22.9 13.5 56% 76.28 0.0
19 08:55 W 7 16.09 Fair CLR 21.5 13.1 59% 76.25 0.0
19 08:35 SW 9 16.09 Fair CLR 20.6 13.3 63% 76.25 0.0
19 08:15 Calm 16.09 Fair CLR 19.5 12.9 66% 76.23 0.0
19 07:55 Calm 16.09 Fair CLR 18.2 13.7 75% 76.23 0.0
19 07:35 NE 7 16.09 Fair CLR 16.9 13.9 83% 76.17 0.0
19 07:15 Calm 16.09 Fair CLR 15.6 12.6 82% 76.2 0.0
19 06:55 Calm 16.09 Fair CLR 14.3 11.4 16.5 12.9 83% 76.23 0.0
19 06:35 Calm 16.09 Fair CLR 13.8 10.9 83% 76.23 0.0
19 06:15 Calm 16.09 Fair CLR 13.8 10.6 81% 76.23 0.0
19 05:55 Calm 16.09 Fair CLR 13.6 11.2 86% 76.23 0.0
19 05:35 Calm 16.09 Partly Cloudy SCT120 14.3 11.4 83% 76.25 0.0
19 05:15 W 6 16.09 Partly Cloudy SCT120 14.7 11.7 82% 76.23 0.0
19 04:55 W 7 16.09 Fair CLR 14.3 11.5 83% 76.23 0.0
19 04:35 SW 6 16.09 Fair CLR 13.8 10.7 82% 76.23 0.0
19 04:15 SW 6 16.09 Fair CLR 13.9 10.6 81% 76.25 0.0
19 03:55 SW 7 16.09 Fair CLR 14.1 10.7 80% 76.23 0.0
19 03:35 Calm 16.09 Fair CLR 14.5 11 80% 76.25 0.0
19 03:15 SW 6 16.09 Fair CLR 14.7 11 79% 76.23 0.0
19 02:55 SW 7 16.09 Fair CLR 15 11 77% 76.25 0.0
19 02:35 SW 9 16.09 Fair CLR 15.3 10.7 74% 76.25 0.0
19 02:15 SW 9 16.09 Fair CLR 16.1 10.6 70% 76.23 0.0
19 01:55 SW 7 16.09 Fair CLR 16.1 10.6 70% 76.23 0.0
19 01:35 SW 7 16.09 Fair CLR 15.2 11.3 78% 76.23 0.0
19 01:15 SW 7 16.09 Partly Cloudy SCT110 15.9 12.3 79% 76.23 0.0
19 00:55 SW 7 16.09 Overcast OVC110 16.2 12.5 25 15 79% 76.23 0.0
19 00:35 SW 6 16.09 Overcast OVC110 16.3 12 76% 76.23 0.0
19 00:15 SW 7 16.09 Mostly Cloudy BKN110 15.6 12.1 80% 76.23 0.0
18 23:55 SW 6 16.09 Partly Cloudy SCT120 15.5 11.8 79% 76.23 0.0
18 23:35 Calm 16.09 Fair CLR 16.6 11.6 73% 76.23 0.0
18 23:15 Calm 16.09 Fair CLR 17.2 11.6 70% 76.23 0.0
18 22:55 Calm 16.09 Fair CLR 16.8 11.6 72% 76.2 0.0
18 22:35 Calm 16.09 Fair CLR 19 10.9 60% 76.2 0.0
18 22:15 Calm 16.09 Fair CLR 19.4 11.1 59% 76.17 0.0
18 21:55 Calm 16.09 Fair CLR 21 10.7 52% 76.15 0.0
18 21:35 Calm 16.09 Fair CLR 21.3 10.9 52% 76.12 0.0
18 21:15 SE 7 16.09 Fair CLR 22.6 9.1 42% 76.1 0.0
18 20:55 Calm 16.09 Fair CLR 22.8 10.6 46% 76.1 0.0
18 20:35 Calm 16.09 Fair CLR 22.9 13.1 54% 76.1 0.0
18 20:15 Calm 16.09 Fair CLR 23.6 12 48% 76.07 0.0
18 19:55 Calm 16.09 Fair CLR 24.1 11.9 47% 25 76.07 0.0
18 19:35 Calm 16.09 Fair CLR 24.7 9.5 38% 26 76.07 0.0
18 19:15 N 9 16.09 Fair CLR 24.9 9.7 38% 26 76.07 0.0
18 18:55 N 9 11.27 Fair CLR 25 10.1 25.8 23 39% 26 76.07 0.0
18 18:35 N 6 16.09 Fair CLR 25.2 9.5 37% 26 76.07 0.0
18 18:15 N 13 16.09 Fair CLR 25.5 10.5 39% 26 76.07 0.0
18 17:55 N 20 16.09 Fair CLR 25.6 10.1 38% 26 76.07 0.0
18 17:35 N 17 16.09 Fair CLR 25.5 9.2 36% 26 76.07 0.0
18 17:15 N 19 16.09 Fair CLR 25.7 9.3 36% 26 76.07 0.0
18 16:35 N 13 16.09 Fair CLR 25.1 9.6 38% 26 76.05 0.0
18 16:15 N 17 G 26 16.09 Partly Cloudy SCT070 25.3 9.6 37% 26 76.05 0.0
18 15:55 N 15 16.09 Fair CLR 25.3 10.2 39% 26 76.05 0.0
Date Time (cdt) 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)