National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Perry 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.
07 13:15 SE 19 11.27 Unknown Precip FEW020 SCT045 OVC055 2.6 -1.8 73% -1 77.06 0.0
07 12:55 SE 19 14.48 Overcast BKN060 OVC075 2.5 -1.7 74% -1 77.09 0.0
07 12:35 S 19 12.87 Overcast FEW060 OVC075 2.3 -1.8 75% -2 77.11 0.0
07 12:15 S 19 14.48 Overcast SCT048 BKN060 OVC080 2.3 -1.7 75% -2 77.11 0.0
07 11:55 SE 24 14.48 Overcast SCT049 OVC070 2.6 -4.2 61% -2 77.14 0.0
07 11:35 SE 22 14.48 Overcast SCT049 OVC065 2.3 -4.2 63% -2 77.14 0.0
07 11:15 SE 24 12.87 Overcast BKN049 OVC065 2 -4.6 62% -3 77.17 0.0
07 10:55 SE 22 14.48 Overcast OVC049 1.5 -4.8 63% -3 77.17 0.0
07 10:35 E 24 14.48 Overcast OVC050 1.4 -5.2 62% -4 77.17 0.0
07 10:15 SE 24 12.87 Overcast OVC055 1.4 -5.4 61% -4 77.17 0.0
07 09:55 E 20 14.48 Overcast OVC060 1.2 -5.3 62% -3 77.17 0.0
07 09:35 E 24 14.48 Overcast OVC060 1.1 -5.4 62% -4 77.17 0.0
07 09:15 E 17 12.87 Overcast OVC060 0.9 -5.4 63% -3 77.19 0.0
07 08:55 E 19 14.48 Overcast OVC060 0.7 -5.4 64% -4 77.19 0.0
07 08:35 E 19 14.48 Overcast OVC065 0.6 -5.5 64% -4 77.19 0.0
07 08:15 E 20 14.48 Overcast OVC065 0.5 -5.7 64% -4 77.19 0.0
07 07:55 E 20 14.48 Overcast BKN070 OVC085 0.4 -6 63% -4 77.22 0.0
07 07:35 E 20 14.48 Overcast FEW070 OVC085 0.4 -6.3 61% -4 77.22 0.0
07 07:15 E 19 12.87 Overcast FEW065 OVC090 0.4 -6.2 62% -4 77.19 0.0
07 06:55 E 17 14.48 Overcast SCT075 OVC095 0.5 -6.2 61% -4 77.22 0.0
07 06:35 E 15 16.09 Overcast BKN085 OVC110 0.5 -6.5 60% -3 77.19 0.0
07 06:15 E 19 16.09 Overcast OVC085 0.6 -6.5 59% -4 77.19 0.0
07 05:55 E 17 16.09 Overcast OVC090 0.6 -6.8 58% -4 77.22 0.0
07 05:35 E 15 16.09 Overcast OVC100 0.7 -6.6 59% -3 77.19 0.0
07 05:15 E 13 16.09 Overcast SCT100 OVC120 0.7 -6.1 61% -3 77.19 0.0
07 04:55 E 13 16.09 Overcast OVC120 0.7 -5.8 62% -3 77.22 0.0
07 04:35 E 13 16.09 Overcast OVC120 0.7 -5.9 62% -3 77.22 0.0
07 04:15 NE 11 16.09 Overcast OVC120 0.8 -6 61% -2 77.22 0.0
07 03:55 NE 15 16.09 Overcast OVC120 0.8 -6 61% -3 77.19 0.0
07 03:35 NE 13 16.09 Overcast OVC120 0.8 -6.1 60% -3 77.19 0.0
07 03:15 NE 15 16.09 Overcast OVC120 0.8 -6.3 59% -3 77.19 0.0
07 02:55 NE 15 16.09 Overcast OVC120 0.9 -7 56% -3 77.19 0.0
07 02:35 NE 15 16.09 Overcast OVC120 1.2 -7.5 53% -3 77.22 0.0
07 02:15 NE 17 16.09 Overcast OVC120 1.6 -7.7 50% -2 77.24 0.0
07 01:55 NE 15 16.09 Overcast OVC120 1.8 -7.7 50% -2 77.24 0.0
07 01:35 NE 13 16.09 Overcast OVC120 2.1 -7.5 49% -1 77.24 0.0
07 01:15 NE 9 16.09 Mostly Cloudy FEW080 BKN130 1.9 -6.7 53% -1 77.24 0.0
07 00:55 NE 11 16.09 Overcast OVC080 2.3 -6.9 51% -0 77.24 0.0
07 00:35 NE 11 16.09 Overcast OVC080 2.7 -7.6 47% 0 77.22 0.0
07 00:15 NE 13 16.09 Overcast OVC080 2.8 -6.9 49% -0 77.17 0.0
06 23:55 NE 15 16.09 Overcast OVC085 3.1 -7.3 47% -0 77.19 0.0
06 23:35 NE 9 16.09 Overcast OVC085 3.2 -6.4 50% 1 77.17 0.0
06 23:15 NE 13 16.09 Overcast OVC090 3.3 -6.3 50% 0 77.17 0.0
06 22:55 NE 15 16.09 Overcast BKN080 OVC100 3.6 -6.6 48% 0 77.17 0.0
06 22:35 N 17 16.09 Mostly Cloudy SCT080 BKN100 3.9 -5.7 50% 0 77.17 0.0
06 22:15 N 19 16.09 Mostly Cloudy BKN080 BKN100 4.1 -5.4 50% 0 77.17 0.0
06 21:55 N 17 16.09 Overcast OVC080 4.3 -4.4 54% 1 77.14 0.0
06 21:35 N 19 16.09 Overcast OVC090 4.6 -4.5 52% 1 77.17 0.0
06 21:15 N 17 16.09 Overcast BKN095 OVC110 4.8 -4.6 51% 2 77.14 0.0
06 20:55 N 13 16.09 Mostly Cloudy BKN100 BKN130 4.8 -4.5 51% 2 77.11 0.0
06 20:35 N 13 16.09 Overcast BKN100 OVC130 4.8 -3.9 54% 2 77.11 0.0
06 20:15 N 15 16.09 Overcast OVC100 4.9 -4.1 53% 2 77.11 0.0
06 19:55 N 15 16.09 Overcast OVC100 5.2 -4.6 50% 2 77.11 0.0
06 19:35 N 19 16.09 Overcast BKN100 OVC120 5.6 -5.2 46% 2 77.11 0.0
06 19:15 N 17 16.09 Overcast BKN100 OVC120 6 -5 46% 3 77.11 0.0
06 18:55 N 17 16.09 Overcast OVC095 6.3 -5.8 42% 3 77.11 0.0
06 18:35 N 17 16.09 Overcast OVC100 6.5 -5.7 42% 4 77.09 0.0
06 18:15 N 19 16.09 Overcast BKN100 OVC110 6.6 -5.9 41% 4 77.09 0.0
06 17:55 N 15 16.09 Overcast SCT070 OVC090 6.8 -5.6 41% 4 77.06 0.0
06 17:35 N 17 16.09 Overcast FEW050 OVC070 7.1 -4.4 44% 4 77.06 0.0
06 17:15 N 15 16.09 Overcast OVC070 6.9 -4.5 44% 4 77.06 0.0
06 16:55 N 22 16.09 Overcast BKN070 OVC085 7.3 -4.4 44% 4 77.06 0.0
06 16:35 N 20 16.09 Overcast BKN070 BKN090 OVC380 7.5 -4.3 43% 4 77.06 0.0
06 16:15 N 20 16.09 Overcast BKN075 OVC090 7 -3.9 46% 4 77.06 0.0
06 15:55 NW 20 16.09 Overcast OVC080 7.2 -3.7 46% 4 77.09 0.0
06 15:35 N 19 16.09 Overcast BKN080 OVC095 7.5 -3.8 45% 5 77.06 0.0
06 15:15 N 20 16.09 Overcast FEW070 OVC095 7.6 -3.3 46% 5 77.06 0.0
06 14:55 N 19 G 30 16.09 Overcast BKN100 OVC120 7.8 -3.2 46% 5 77.09 0.0
06 14:35 N 19 16.09 Overcast BKN100 OVC120 8.9 -1.5 48% 6 77.09 0.0
06 14:15 N 24 16.09 Overcast OVC100 8.1 -2.1 49% 5 77.09 0.0
06 13:55 N 20 G 31 16.09 Overcast FEW075 OVC100 8 -1.7 51% 5 77.09 0.0
06 13:35 N 28 16.09 Overcast OVC110 8.3 -1.8 49% 5 77.11 0.0
06 13:15 N 31 G 39 16.09 Overcast FEW090 OVC110 7.4 -1.3 54% 3 77.14 0.0
06 12:35 N 31 16.09 Mostly Cloudy BKN120 7.2 -1.4 55% 3 77.19 0.0
06 12:15 N 31 16.09 Partly Cloudy FEW100 SCT130 6.7 -1.3 57% 3 77.22 0.0
06 11:55 N 30 G 37 16.09 Partly Cloudy SCT100 6.4 -0.9 60% 2 77.24 0.0
06 11:35 N 30 G 41 16.09 Overcast OVC100 6 -1.5 59% 2 77.27 0.0
06 11:15 N 26 16.09 Mostly Cloudy BKN100 BKN120 5.6 -1.2 62% 2 77.27 0.0
06 10:55 N 30 16.09 A Few Clouds FEW100 5.6 -1.1 62% 1 77.27 0.0
06 10:35 N 26 16.09 Partly Cloudy SCT100 5.7 -0.5 65% 2 77.24 0.0
06 10:15 N 26 16.09 Fair CLR 5.1 -0.2 69% 1 77.27 0.0
06 09:55 N 26 16.09 A Few Clouds FEW120 4.4 -0.6 70% 0 77.27 0.0
06 09:35 N 30 16.09 Partly Cloudy FEW019 SCT120 4.2 -0.3 73% -1 77.24 0.0
06 09:15 N 30 16.09 Mostly Cloudy SCT018 BKN100 BKN120 4.3 0.4 76% -0 77.24 0.0
06 08:55 N 30 16.09 Overcast FEW018 OVC100 3.8 0.4 79% -1 77.22 0.0
06 08:35 N 28 16.09 Overcast FEW018 OVC100 3.7 0.9 82% -1 77.22 0.0
06 08:15 N 26 16.09 Overcast FEW015 OVC110 3.2 0.8 84% -2 77.22 0.0
06 07:55 N 24 16.09 Overcast FEW016 OVC110 2.6 0.4 86% -2 77.19 0.0
06 07:35 N 20 16.09 Overcast FEW017 BKN110 OVC140 2.9 0.7 86% -1 77.17 0.0
06 07:15 N 17 16.09 Overcast OVC100 3 0.9 86% -1 77.17 0.0
06 06:35 N 20 16.09 Overcast OVC100 3 0.6 84% -1 77.09 0.0
06 06:15 NW 20 16.09 Overcast OVC100 3.2 0.6 83% -1 77.11 0.0
06 05:55 NW 22 16.09 Overcast BKN090 OVC100 3.4 0.5 82% -1 77.09 0.0
06 05:35 NW 17 16.09 Overcast SCT075 OVC100 3.4 0.7 83% -0 77.09 0.0
06 05:15 NW 17 16.09 Overcast BKN075 OVC095 3.5 0.8 83% 0 77.06 0.0
06 04:55 NW 15 16.09 Overcast OVC090 3.4 1 84% 0 77.09 0.0
06 04:35 NW 19 16.09 Overcast OVC090 3.4 0.7 83% -0 77.09 0.0
06 04:15 NW 20 16.09 Overcast SCT080 OVC100 3.5 0.7 82% -0 77.09 0.0
06 03:55 NW 20 16.09 Overcast OVC100 3.5 1 84% -0 77.06 0.0
06 03:35 NW 19 16.09 Overcast OVC100 3.3 0.9 84% -1 77.04 0.0
06 03:15 NW 17 16.09 Overcast OVC110 3.3 1.2 86% -0 77.04 0.0
06 02:55 NW 15 16.09 Overcast OVC110 3.3 1.4 88% 0 76.99 0.0
06 02:35 NW 15 16.09 Mostly Cloudy BKN120 BKN140 3.3 1.2 86% 0 76.99 0.0
06 02:15 N 17 16.09 Partly Cloudy SCT120 3.3 1.1 86% -0 76.99 0.0
06 01:55 N 15 16.09 Fair CLR 3.5 1.1 84% 0 76.99 0.0
06 01:35 N 13 16.09 Fair CLR 3.8 1.2 83% 1 76.96 0.0
06 01:15 N 17 16.09 Fair CLR 4.1 1.4 83% 1 76.96 0.0
06 00:55 N 19 16.09 Fair CLR 4.8 1.6 80% 1 76.94 0.0
06 00:35 N 22 16.09 Fair CLR 5.1 1.9 80% 1 76.94 0.0
06 00:15 N 26 16.09 Fair CLR 5.8 2.4 79% 2 76.94 0.0
05 23:55 N 19 16.09 Fair CLR 6.4 3.2 80% 3 76.91 0.0
05 23:35 N 26 16.09 Fair CLR 7.8 3.3 73% 4 76.89 0.0
05 23:15 N 22 16.09 Fair CLR 8.5 3.6 72% 6 76.89 0.0
05 22:55 NW 17 16.09 Fair CLR 8.8 3.7 71% 7 76.86 0.0
05 22:35 NW 19 16.09 Fair CLR 9.2 3.3 67% 7 76.84 0.0
05 22:15 NW 22 16.09 Fair CLR 9.6 2.9 63% 7 76.84 0.0
05 21:55 W 15 16.09 A Few Clouds FEW090 7.6 3.4 75% 5 76.78 0.0
05 21:35 W 19 16.09 Partly Cloudy SCT090 7.8 3.6 75% 5 76.73 0.0
05 21:15 SW 19 16.09 Partly Cloudy SCT095 8.6 3.4 70% 6 76.73 0.0
05 20:55 SW 17 16.09 Mostly Cloudy BKN100 8.9 3.8 71% 7 76.71 0.0
05 20:35 SW 17 16.09 Fair CLR 9.1 3.7 69% 7 76.71 0.0
05 20:15 W 17 16.09 Fair CLR 8.5 4.5 76% 6 76.71 0.0
05 19:55 W 15 16.09 Fair CLR 10 4.9 71% 8 76.71 0.0
05 19:35 W 17 16.09 Fair CLR 11.5 4.7 63% 76.71 0.0
05 19:15 W 15 16.09 Fair CLR 13.3 4.5 55% 76.71 0.0
05 18:55 W 20 16.09 Fair CLR 14.5 3.1 47% 76.73 0.0
05 18:35 W 24 16.09 Fair CLR 15 2.7 44% 76.76 0.0
05 18:15 W 22 16.09 Fair CLR 15.4 2.9 43% 76.76 0.0
05 17:55 W 26 16.09 Fair CLR 15.6 2.9 43% 76.76 0.0
05 17:35 W 26 16.09 Fair CLR 15.5 3.5 45% 76.76 0.0
05 17:15 W 30 G 41 16.09 Fair CLR 15.5 2.8 43% 76.78 0.0
05 16:55 W 24 16.09 A Few Clouds FEW060 15.3 3.4 45% 76.81 0.0
05 16:35 NW 28 G 37 16.09 Fair CLR 15.2 3.9 47% 76.81 0.0
05 16:15 W 30 G 37 16.09 Fair CLR 15 4.2 49% 76.81 0.0
05 15:55 W 28 G 39 16.09 Fair CLR 14.7 4.1 49% 76.84 0.0
05 15:35 W 31 16.09 Fair CLR 14.3 4.4 52% 76.86 0.0
05 15:15 W 31 16.09 Fair CLR 14.2 4.7 53% 76.89 0.0
05 14:55 NW 26 G 41 16.09 A Few Clouds FEW045 13.5 4.5 55% 76.91 0.0
05 14:35 NW 28 16.09 Fair CLR 13.3 4.7 56% 76.91 0.0
05 14:15 W 22 G 35 16.09 Fair CLR 12.9 4.6 57% 76.94 0.0
05 13:55 W 24 16.09 A Few Clouds FEW043 12.5 4 56% 76.94 0.0
05 13:35 W 24 G 33 16.09 Fair CLR 12.2 3.9 57% 76.96 0.0
05 13:15 NW 24 16.09 A Few Clouds FEW041 11.8 4 59% 76.96 0.0
05 12:55 NW 30 16.09 Fair CLR 11.3 3.6 59% 76.99 0.0
05 12:35 NW 28 G 39 16.09 Fair CLR 11.1 3.4 59% 76.99 0.0
05 12:15 NW 33 16.09 Fair and Breezy CLR 10.5 2.5 58% 76.99 0.0
05 11:55 NW 22 16.09 Fair CLR 10.2 2.9 61% 76.99 0.0
05 11:35 NW 26 16.09 Fair CLR 9.3 3.2 66% 6 77.01 0.0
05 11:15 NW 22 16.09 Fair CLR 8.3 3.6 73% 5 77.01 0.0
05 10:55 NW 20 16.09 Fair CLR 7.7 3.8 77% 5 77.01 0.0
05 10:35 NW 24 16.09 Fair CLR 6.8 3.3 79% 3 77.01 0.0
05 10:15 NW 26 16.09 Fair CLR 6 2.6 79% 2 76.99 0.0
05 09:55 NW 26 16.09 Fair CLR 5.2 2.1 81% 1 76.99 0.0
05 09:35 W 22 16.09 Fair CLR 4.4 1.4 81% 0 76.96 0.0
05 09:15 NW 24 16.09 Fair CLR 3.6 0.8 82% -1 76.96 0.0
05 08:55 NW 20 16.09 Fair CLR 2.8 0.1 83% -1 76.96 0.0
05 08:35 W 20 16.09 Fair CLR 2.1 -0.2 85% -2 76.94 0.0
05 08:15 W 17 16.09 Fair CLR 1.2 -0.4 89% -3 76.91 0.0
05 07:55 W 15 16.09 Fair CLR 0.7 -0.7 90% -3 76.91 0.0
05 07:35 W 15 16.09 Fair CLR 0.2 -0.9 92% -4 76.89 0.0
05 07:15 W 15 16.09 Fair CLR 0.4 -1.1 90% -3 76.89 0.0
05 06:55 W 17 14.48 Fair CLR 0.3 -1.1 90% -4 76.86 0.0
05 06:35 NW 19 16.09 Fair CLR 0.5 -1.2 89% -4 76.84 0.0
05 06:15 NW 19 14.48 Fair CLR 0.5 -1.2 89% -4 76.84 0.0
05 05:55 NW 22 16.09 Fair CLR 0.8 -1.2 87% -4 76.81 0.0
05 05:35 NW 19 16.09 Fair CLR 0.6 -1.2 88% -4 76.78 0.0
05 05:15 NW 22 16.09 Fair CLR 0.9 -1.3 85% -4 76.78 0.0
05 04:55 NW 20 16.09 Fair CLR 0.9 -1.3 85% -4 76.81 0.0
05 04:35 NW 22 16.09 Fair CLR 1 -1.2 85% -4 76.78 0.0
05 04:15 NW 22 16.09 Fair CLR 1 -1.1 86% -4 76.76 0.0
05 03:55 NW 20 16.09 Fair CLR 0.9 -1 87% -4 76.73 0.0
05 03:35 NW 22 16.09 Fair CLR 1.1 -1 86% -4 76.73 0.0
05 03:15 NW 24 16.09 Fair CLR 1.1 -1 86% -4 76.71 0.0
05 02:55 NW 24 16.09 Fair CLR 1.1 -0.8 87% -4 76.71 0.0
05 02:35 W 20 16.09 Fair CLR 1 -0.8 88% -4 76.71 0.0
05 02:15 W 20 16.09 Fair CLR 0.9 -0.8 89% -4 76.71 0.0
05 01:55 W 19 16.09 Fair CLR 1.2 -0.8 87% -3 76.71 0.0
05 01:35 W 19 16.09 Fair CLR 1.2 -0.7 87% -3 76.71 0.0
05 01:15 W 22 16.09 Fair CLR 1.6 -0.6 86% -3 76.71 0.0
05 00:55 NW 24 16.09 Fair CLR 2 -0.6 83% -3 76.68 0.0
05 00:35 NW 24 16.09 Fair CLR 2 -0.5 84% -3 76.68 0.0
05 00:15 NW 24 16.09 Fair CLR 2.1 -0.4 84% -3 76.66 0.0
04 23:55 NW 22 16.09 Fair CLR 2.2 -0.3 84% -2 76.66 0.0
04 23:35 NW 24 16.09 Fair CLR 2.4 -0.1 84% -2 76.63 0.0
04 23:15 NW 26 16.09 Fair CLR 2.9 0 81% -2 76.63 0.0
04 22:55 W 24 16.09 Fair CLR 3 0.2 82% -2 76.61 0.0
04 22:35 W 24 16.09 Fair CLR 2.8 0.7 86% -2 76.61 0.0
04 22:15 W 24 16.09 Fair CLR 2.9 1 87% -2 76.58 0.0
04 21:55 W 24 16.09 Fair CLR 2.9 1.2 89% -2 76.56 0.0
04 21:35 W 22 16.09 Fair CLR 2.8 1.2 89% -2 76.56 0.0
04 21:15 W 24 16.09 Fair CLR 3.3 1.2 86% -1 76.53 0.0
04 20:55 W 28 16.09 Fair CLR 3.6 1.2 85% -1 76.5 0.0
04 20:35 W 30 16.09 Fair CLR 4.2 1 80% -1 76.48 0.0
04 20:15 W 30 16.09 A Few Clouds FEW048 4.4 1.2 80% -0 76.48 0.0
04 19:55 W 33 16.09 Overcast and Breezy OVC045 5.1 1.1 76% 0 76.48 0.0
04 19:35 W 39 G 52 16.09 Overcast and Breezy BKN039 OVC047 5.4 1.2 75% 0 76.43 0.0
04 19:15 W 30 16.09 Overcast FEW034 OVC046 5.4 2.2 80% 1 76.43 0.0
04 18:55 W 43 G 56 16.09 Overcast and Windy BKN042 OVC049 5.6 1.7 76% 0 76.4 0.0
04 18:35 W 41 G 63 16.09 Overcast and Breezy OVC037 5.8 1.6 75% 1 76.38 0.0
04 18:15 W 30 G 48 16.09 Overcast BKN038 OVC050 6 1.8 75% 2 76.38 0.0
04 17:55 W 41 G 48 16.09 Overcast and Breezy BKN038 BKN047 OVC055 6.1 1.4 72% 1 76.35 0.0
04 17:35 W 37 G 52 16.09 Overcast and Breezy BKN036 OVC047 6.1 1.7 74% 1 76.35 0.0
04 17:15 W 46 G 56 16.09 Overcast and Windy BKN035 OVC044 6.1 1.3 72% 1 76.3 0.0
04 16:55 W 41 G 63 16.09 Overcast and Breezy SCT034 OVC045 6.1 1.5 73% 1 76.3 0.0
04 16:35 W 41 G 57 16.09 Overcast and Breezy OVC047 5.8 2 77% 1 76.3 0.0
04 16:15 W 44 G 61 16.09 Overcast and Windy FEW034 OVC049 6.3 1.8 73% 1 76.28 0.0
04 15:55 W 48 G 56 16.09 Overcast and Windy SCT031 BKN043 OVC050 5.7 1.2 73% 0 76.28 0.0
04 15:35 W 37 G 54 16.09 Overcast and Breezy BKN034 OVC045 5.5 1.4 75% 1 76.28 0.0
04 15:15 W 46 G 61 16.09 Overcast and Windy BKN034 OVC044 5.7 1.4 74% 0 76.25 0.0
04 14:55 W 41 G 52 16.09 Overcast and Breezy BKN034 OVC040 5.3 1.8 78% 0 76.28 0.0
04 14:35 W 31 16.09 Overcast SCT027 OVC034 4.5 0.9 78% -0 76.28 0.0
04 14:15 W 33 16.09 Overcast and Breezy BKN024 OVC034 3.8 0.7 80% -1 76.3 0.0
04 13:55 W 37 G 52 16.09 Overcast and Breezy BKN025 OVC031 4 0.9 80% -1 76.3 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)