Weather observations for the past three days for
Ottawa Putnam County Airport
Metric (Imperial)
Date Time (est) 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.
03 10:35 SW 31 G 41 16.09 Overcast OVC055 21 14 64% 76.5 0.0
03 10:15 S 33 16.09 Overcast and Breezy OVC055 20 14 69% 76.53 0.0
03 09:55 S 30 G 43 16.09 Overcast FEW050 OVC065 20 14 69% 76.53 0.0
03 09:35 S 33 G 39 16.09 Overcast and Breezy OVC065 19 14 73% 76.56 0.0
03 09:15 S 33 G 39 16.09 Overcast and Breezy OVC065 19 15 78% 76.56 0.0
03 08:55 SW 30 G 35 16.09 Overcast FEW049 OVC065 18 15 83% 76.56 0.0
03 08:35 S 24 16.09 Overcast SCT047 OVC065 18 15 83% 76.56 0.0
03 08:15 S 19 G 28 16.09 Overcast FEW047 OVC065 17 15 88% 76.56 0.0
03 07:55 S 19 16.09 Mostly Cloudy BKN065 16 14 88% 76.56 0.0
03 07:35 S 17 16.09 Fair CLR 15 14 94% 76.56 0.0
03 07:15 S 17 16.09 Fair CLR 15 14 94% 76.53 0.0
03 06:55 S 15 16.09 Fair CLR 15 14 15.9 14.5 94% 76.53 0.0
03 06:35 S 17 16.09 Fair CLR 15 14 94% 76.53 0.0
03 06:15 S 17 16.09 Fair CLR 15 14 94% 76.53 0.0
03 05:55 S 19 16.09 Fair CLR 16 14 88% 76.53 0.0
03 05:35 S 19 16.09 Fair CLR 16 14 88% 76.5 0.0
03 05:15 S 17 16.09 Fair CLR 16 14 88% 76.5 0.0
03 04:55 S 15 16.09 Fair CLR 15 14 94% 76.5 0.0
03 04:35 S 13 16.09 A Few Clouds FEW050 15 14 94% 76.5 0.0
03 04:15 S 15 16.09 Overcast OVC050 16 14 88% 76.5 0.0
03 03:55 S 13 16.09 Overcast OVC050 16 14 88% 76.5 0.0
03 03:15 S 13 16.09 Overcast OVC050 16 15 94% 76.5 0.0
03 02:55 S 13 16.09 Partly Cloudy SCT050 15 15 100% 76.5 0.0
03 02:35 S 11 16.09 Partly Cloudy SCT065 15 15 100% 76.53 0.0
03 02:15 S 11 16.09 Mostly Cloudy FEW037 FEW048 BKN065 15 15 100% 76.53 0.0
03 01:55 S 13 16.09 Mostly Cloudy SCT036 SCT047 BKN050 15 15 100% 76.53 0.0
03 01:35 S 15 16.09 Overcast SCT036 BKN047 OVC060 15 15 100% 76.53 0.0
03 01:15 S 17 16.09 Overcast SCT027 BKN032 OVC075 15 15 100% 76.53 0.0
03 00:55 S 19 16.09 Overcast BKN018 OVC026 16 15 15.7 14.1 94% 76.56 0.0
03 00:35 S 15 16.09 Overcast SCT011 OVC020 16 15 94% 76.58 0.0
02 23:55 S 17 16.09 Overcast OVC011 15 15 100% 76.58 0.0
02 23:35 S 17 16.09 Overcast OVC011 15 15 100% 76.58 0.0
02 23:15 S 19 16.09 Overcast OVC011 15 15 100% 76.58 0.0
02 22:55 S 22 G 28 16.09 Overcast OVC009 15 15 100% 76.61 0.0
02 22:35 S 17 16.09 Overcast OVC009 15 14 94% 76.63 0.0
02 22:15 S 17 16.09 Overcast OVC011 15 14 94% 76.66 0.0
02 21:55 S 17 16.09 Overcast OVC011 15 14 94% 76.66 0.0
02 21:35 S 19 16.09 Overcast OVC011 15 14 94% 76.63 0.0
02 21:15 S 19 16.09 Overcast OVC009 14 14 100% 76.63 0.0
02 20:55 S 15 16.09 Overcast OVC009 14 14 100% 76.68 0.0
02 20:35 S 19 16.09 Overcast OVC011 14 14 100% 76.68 0.0
02 20:15 S 17 16.09 Overcast OVC011 14 13 94% 76.68 0.0
02 19:55 S 19 16.09 Overcast OVC011 14 13 94% 76.66 0.0
02 19:35 S 19 16.09 Overcast OVC011 14 13 94% 76.66 0.0
02 19:15 S 19 16.09 Overcast OVC011 14 13 94% 76.68 0.0
02 18:55 S 19 16.09 Overcast OVC011 14 13 14.8 14 94% 76.66 0.0
02 18:35 S 13 16.09 Overcast OVC011 14 13 94% 76.68 0.0
02 18:15 S 19 16.09 Overcast OVC011 14 13 94% 76.71 0.0
02 17:55 S 17 16.09 Overcast OVC011 14 13 94% 76.71 0.0
02 17:35 S 15 16.09 Overcast OVC011 14 13 94% 76.68 0.0
02 17:15 S 17 16.09 Light Drizzle OVC011 14 13 94% 76.71 0.0
02 16:55 S 15 16.09 Overcast OVC011 14 13 94% 76.71 0.0
02 16:35 S 19 16.09 Overcast OVC011 14 13 94% 76.71 0.0
02 16:15 S 15 16.09 Overcast OVC011 14 13 94% 76.68 0.0
02 15:55 S 22 16.09 Overcast OVC011 15 13 88% 76.68 0.0
02 15:35 S 20 16.09 Overcast OVC011 15 13 88% 76.66 0.0
02 15:15 S 19 16.09 Overcast OVC011 15 13 88% 76.68 0.0
02 14:55 S 26 16.09 Overcast OVC011 15 13 88% 76.68 0.0
02 14:35 S 13 16.09 Overcast OVC011 15 13 88% 76.68 0.0
02 14:15 S 24 16.09 Overcast OVC011 15 13 88% 76.68 0.0
02 13:55 S 22 G 28 16.09 Overcast OVC011 14 13 94% 76.71 0.0
02 13:35 S 20 16.09 Overcast OVC011 15 13 88% 76.71 0.0
02 13:15 S 19 G 28 16.09 Overcast OVC011 14 13 94% 76.73 0.0
02 12:55 S 24 16.09 Overcast OVC011 14 13 14.6 11.9 94% 76.78 0.0
02 12:35 S 22 16.09 Overcast OVC011 14 13 94% 76.78 0.0
02 12:15 S 26 G 35 16.09 Overcast OVC011 14 13 94% 76.81 0.0
02 11:55 S 19 16.09 Overcast OVC011 14 13 94% 76.84 0.0
02 11:35 S 24 16.09 Overcast OVC011 14 13 94% 76.86 0.0
02 11:15 S 24 16.09 Overcast OVC011 13 13 100% 76.89 0.0
02 10:55 S 19 G 31 16.09 Overcast OVC011 14 13 94% 76.89 0.0
02 10:35 S 22 16.09 Overcast OVC011 14 13 94% 76.89 0.0
02 10:15 S 19 16.09 Overcast OVC011 13 13 100% 76.89 0.0
02 09:55 S 20 G 31 16.09 Overcast OVC011 13 12 94% 76.89 0.0
02 09:35 S 20 16.09 Overcast OVC011 13 12 94% 76.91 0.0
02 09:15 S 22 16.09 Overcast OVC011 13 12 94% 76.94 0.0
02 08:55 S 24 G 30 16.09 Overcast OVC011 13 12 94% 76.94 0.0
02 08:35 S 19 16.09 Overcast OVC011 13 13 100% 76.94 0.0
02 08:15 S 15 16.09 Overcast OVC011 13 13 100% 76.94 0.0
02 07:55 S 17 16.09 Overcast BKN011 OVC022 12 12 100% 76.94 0.0
02 07:35 S 15 16.09 Overcast BKN009 BKN012 OVC022 12 12 100% 76.94 0.0
02 07:15 S 15 16.09 Overcast OVC009 12 12 100% 76.94 0.0
02 06:55 S 11 11.27 Fog/Mist BKN009 OVC024 12 12 15.7 11.9 100% 76.96 0.0
02 06:35 S 13 16.09 Overcast OVC026 12 12 100% 76.94 0.0
02 06:15 S 17 11.27 Overcast BKN028 OVC034 12 12 100% 76.94 0.0
02 05:55 S 20 9.66 Fog/Mist OVC034 12 12 100% 76.96 0.0
02 05:35 S 19 9.66 Light Rain Fog/Mist OVC038 12 12 100% 76.96 0.0
02 05:15 S 20 6.44 Light Drizzle Fog/Mist BKN038 OVC045 13 12 94% 76.99 0.0
02 04:55 S 24 G 33 16.09 Overcast FEW033 BKN046 OVC050 14 11 82% 76.99 0.0
02 04:35 S 20 G 30 16.09 Overcast OVC050 14 10 77% 76.99 0.0
02 04:15 S 17 G 30 16.09 Overcast OVC050 14 10 77% 76.99 0.0
02 03:55 S 19 G 30 16.09 Overcast OVC050 15 10 72% 76.99 0.0
02 03:35 S 19 G 28 16.09 Overcast OVC050 15 9 68% 76.99 0.0
02 03:15 S 17 16.09 Overcast OVC060 15 9 68% 77.01 0.0
02 02:55 S 17 16.09 Overcast OVC060 16 9 63% 77.01 0.0
02 02:35 S 15 16.09 Overcast BKN060 OVC075 16 9 63% 77.01 0.0
02 02:15 S 13 16.09 Overcast OVC075 15 9 68% 77.01 0.0
02 01:55 SE 11 16.09 Overcast OVC075 15 9 68% 77.04 0.0
02 01:35 SE 9 16.09 Overcast OVC075 15 9 68% 77.04 0.0
02 01:15 SE 13 16.09 Overcast OVC075 15 9 68% 77.04 0.0
02 00:55 SE 9 16.09 Overcast OVC075 15 10 16.1 14.1 72% 77.04 0.0
02 00:35 SE 7 16.09 Overcast OVC080 14 9 72% 77.06 0.0
02 00:15 SE 9 16.09 Overcast OVC080 15 9 68% 77.04 0.0
01 23:55 SE 9 16.09 Overcast OVC080 14 10 77% 77.04 0.0
01 23:35 SE 9 16.09 Overcast OVC080 15 9 68% 77.04 0.0
01 23:15 S 6 16.09 Overcast FEW049 SCT080 OVC090 15 8 63% 77.04 0.0
01 22:55 S 9 16.09 Overcast SCT049 BKN080 OVC090 15 8 63% 77.04 0.0
01 22:35 S 6 16.09 Overcast FEW049 FEW065 OVC090 14 9 72% 77.01 0.0
01 22:15 SE 6 16.09 Overcast SCT065 SCT075 OVC090 14 9 72% 77.01 0.0
01 21:55 SE 9 16.09 Overcast BKN050 BKN065 OVC090 14 9 72% 77.01 0.0
01 21:35 E 7 16.09 Overcast BKN055 OVC080 14 9 72% 77.01 0.0
01 21:15 E 6 16.09 Overcast SCT055 BKN070 OVC085 15 8 63% 77.01 0.0
01 20:55 E 6 16.09 Overcast SCT055 BKN065 OVC085 15 8 63% 77.01 0.0
01 20:35 E 4 16.09 Overcast FEW045 BKN060 OVC070 16 7 55% 77.04 0.0
01 20:15 SE 7 16.09 Overcast FEW049 BKN060 OVC090 15 8 63% 77.04 0.0
01 19:55 SE 9 16.09 Overcast SCT055 BKN070 OVC090 15 9 68% 77.06 0.0
01 19:35 SE 7 16.09 Overcast FEW041 SCT050 OVC070 15 9 68% 77.06 0.0
01 19:15 SE 4 16.09 Overcast BKN050 BKN070 OVC090 16 8 59% 77.06 0.0
01 18:55 S 2 16.09 Overcast BKN050 BKN065 OVC100 16 7 19.7 15.8 55% 77.06 0.0
01 18:35 E 4 16.09 Overcast SCT047 BKN050 OVC090 16 7 55% 77.06 0.0
01 18:15 E 6 16.09 Overcast BKN055 BKN070 OVC090 16 8 59% 77.04 0.0
01 17:55 E 7 16.09 Mostly Cloudy BKN090 BKN120 17 8 56% 77.04 0.0
01 17:35 E 6 16.09 Partly Cloudy SCT120 18 7 49% 77.04 0.0
01 17:15 E 7 16.09 Partly Cloudy SCT120 18 6 46% 77.04 0.0
01 16:55 E 6 16.09 A Few Clouds FEW110 18 7 49% 77.04 0.0
01 16:35 E 6 16.09 A Few Clouds FEW110 19 7 46% 77.04 0.0
01 16:15 SE 6 14.48 Fair CLR 19 7 46% 77.04 0.0
01 15:55 SE 7 16.09 Fair CLR 19 7 46% 77.04 0.0
01 15:35 SE 7 9.66 Light Rain Haze CLR 19 6 43% 77.06 0.0
01 15:15 SE 7 12.87 Light Rain CLR 20 6 40% 77.06 0.0
01 14:55 SE 7 16.09 Light Rain CLR 20 6 40% 77.06 0.0
01 14:35 E 7 6.44 Light Rain Haze CLR 20 6 40% 77.06 0.0
01 14:15 E 7 16.09 Fair CLR 19 6 43% 77.09 0.0
01 13:55 E 9 16.09 Fair CLR 19 6 43% 77.06 0.0
01 13:35 NE 9 9.66 Fair with Haze CLR 19 6 43% 77.09 0.0
01 13:15 NE 7 16.09 Fair CLR 19 5 40% 77.11 0.0
01 12:55 Vrbl 4 2.01 Fair with Haze CLR 19 6 19.1 9.7 43% 77.14 0.0
01 12:35 SW 2 16.09 Fair CLR 18 6 46% 77.17 0.0
01 12:15 Calm 16.09 Fair CLR 19 6 43% 77.19 0.0
01 11:55 Calm 16.09 Fair CLR 17 6 49% 77.19 0.0
01 11:35 Vrbl 4 16.09 Fair CLR 17 6 49% 77.19 0.0
01 11:15 Vrbl 6 12.87 Fair CLR 16 6 52% 77.22 0.0
01 10:55 SE 6 9.66 Fair with Haze CLR 15 6 55% 77.22 0.0
01 10:35 Vrbl 4 8.05 Fair with Haze CLR 15 7 59% 77.22 0.0
01 10:15 E 6 16.09 Fair CLR 14 7 63% 77.22 0.0
01 09:55 E 7 16.09 Fair CLR 13 7 67% 77.22 0.0
01 09:35 E 6 16.09 Mostly Cloudy BKN120 13 7 67% 77.27 0.0
01 09:15 NE 7 16.09 Overcast OVC120 13 6 63% 77.27 0.0
01 08:55 NE 6 16.09 Partly Cloudy SCT120 12 7 72% 77.27 0.0
01 08:35 N 6 16.09 A Few Clouds FEW090 FEW110 12 7 72% 77.27 0.0
01 08:15 N 7 16.09 Mostly Cloudy BKN090 11 7 77% 77.24 0.0
01 07:55 NW 4 16.09 Partly Cloudy SCT090 SCT110 11 7 77% 77.22 0.0
01 07:35 E 6 16.09 Partly Cloudy SCT120 11 6 72% 77.19 0.0
01 07:15 E 7 16.09 Partly Cloudy SCT080 SCT120 10 7 82% 9 77.19 0.0
01 06:55 NE 9 16.09 Overcast OVC080 10 7 11.4 9.6 82% 9 77.17 0.0
01 06:35 NE 9 16.09 Overcast OVC090 10 6 76% 9 77.19 0.0
01 06:15 NE 7 16.09 Overcast BKN090 OVC110 10 6 76% 9 77.19 0.0
01 05:55 NE 7 16.09 Overcast BKN090 OVC120 10 6 76% 9 77.19 0.0
01 05:35 E 7 16.09 Overcast FEW060 FEW075 OVC090 11 6 72% 77.17 0.0
01 04:55 SE 9 16.09 Overcast SCT075 BKN090 OVC110 11 6 72% 77.17 0.0
01 04:35 SE 6 16.09 Overcast SCT055 BKN065 OVC110 11 6 72% 77.17 0.0
01 04:15 S 11 1.61 Light Drizzle Haze SCT070 OVC110 11 7 77% 77.17 0.0
01 03:55 E 7 16.09 Mostly Cloudy BKN110 10 7 82% 9 77.17 0.0
01 03:35 E 9 16.09 Mostly Cloudy BKN100 10 7 82% 9 77.17 0.0
01 03:15 E 9 16.09 Overcast FEW060 SCT070 OVC090 11 7 77% 77.17 0.0
01 02:55 NE 13 16.09 Overcast FEW041 FEW049 OVC060 11 7 77% 77.19 0.0
01 02:35 NE 9 16.09 Overcast FEW041 BKN050 OVC070 11 7 77% 77.22 0.0
01 02:15 NE 7 16.09 Overcast SCT048 BKN050 OVC070 11 6 72% 77.24 0.0
01 01:59 NE 9 16.09 Overcast SCT050 BKN075 OVC100 11 6 72% 77.22 0.0
01 01:57 NE 9 16.09 Overcast SCT050 SCT075 OVC100 11 6 72% 77.22 0.0
01 01:55 NE 9 16.09 Overcast SCT050 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:53 NE 7 16.09 Overcast SCT050 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:51 NE 7 16.09 Overcast SCT050 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:49 NE 7 16.09 Overcast SCT050 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:47 NE 7 16.09 Overcast FEW044 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:45 NE 7 16.09 Overcast FEW044 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:43 E 7 16.09 Overcast FEW044 SCT075 OVC100 11 7 77% 77.22 0.0
01 01:41 E 6 16.09 Overcast FEW080 OVC100 11 7 77% 77.22 0.0
01 01:39 E 6 16.09 Overcast FEW080 OVC100 11 7 77% 77.22 0.0
01 01:37 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:35 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:33 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:31 E 9 16.09 Overcast OVC100 11 7 77% 77.19 0.0
01 01:29 E 9 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:27 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:25 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:23 E 9 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:21 E 9 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:19 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:17 E 7 16.09 Overcast OVC100 11 7 77% 77.22 0.0
01 01:15 E 9 16.09 Overcast OVC100 11 7 77% 77.19 0.0
01 01:13 E 9 16.09 Overcast OVC100 11 7 77% 77.19 0.0
01 01:11 E 9 16.09 Overcast OVC100 11 7 77% 77.19 0.0
01 01:55 E 11 16.09 Mostly Cloudy BKN100 11 7 12.9 10.4 77% 77.22 0.0
01 01:35 E 9 16.09 A Few Clouds FEW100 11 7 77% 77.22 0.0
01 01:15 E 9 16.09 Mostly Cloudy BKN100 11 7 77% 77.22 0.0
01 00:55 E 7 16.09 Mostly Cloudy BKN110 11 7 77% 77.22 0.0
01 00:35 E 13 16.09 Mostly Cloudy BKN120 11 6 72% 77.22 0.0
01 00:15 NE 7 16.09 Mostly Cloudy BKN120 11 6 72% 77.24 0.0
31 23:55 E 11 16.09 Partly Cloudy SCT120 12 6 67% 77.22 0.0
31 23:35 E 13 16.09 Partly Cloudy SCT080 12 7 72% 77.24 0.0
31 23:15 E 11 16.09 Overcast OVC080 12 6 67% 77.24 0.0
31 22:55 E 11 16.09 Overcast BKN080 BKN090 OVC110 12 6 67% 77.27 0.0
31 22:35 E 11 16.09 Overcast OVC080 12 6 67% 77.24 0.0
31 22:15 E 13 16.09 Overcast OVC080 12 6 67% 77.24 0.0
31 21:55 E 13 16.09 Overcast BKN090 OVC110 12 6 67% 77.24 0.0
31 21:35 E 13 16.09 Overcast FEW050 FEW075 OVC110 12 7 72% 77.24 0.0
31 21:15 E 9 16.09 Overcast FEW050 SCT080 OVC110 12 7 72% 77.27 0.0
31 20:55 E 9 16.09 Overcast SCT075 SCT090 OVC110 13 6 63% 77.27 0.0
31 20:35 E 15 16.09 Overcast BKN060 BKN075 OVC090 13 6 63% 77.24 0.0
31 20:15 SE 15 16.09 Overcast FEW038 FEW045 OVC055 12 7 72% 77.27 0.0
31 19:55 Calm 16.09 Overcast FEW041 BKN050 OVC075 13 7 15.6 12.5 67% 77.29 0.0
31 19:35 E 11 16.09 Overcast BKN060 OVC070 13 6 63% 77.27 0.0
31 19:15 E 15 16.09 Overcast FEW050 OVC065 14 5 55% 77.27 0.0
31 18:55 E 13 16.09 Overcast BKN050 BKN065 OVC075 14 5 55% 77.27 0.0
31 18:35 E 13 16.09 Overcast FEW046 SCT050 OVC075 14 5 55% 77.27 0.0
31 18:15 E 17 16.09 Overcast SCT047 BKN070 OVC095 14 5 55% 77.24 0.0
31 17:55 E 20 16.09 Overcast SCT049 BKN070 OVC085 14 5 55% 77.27 0.0
31 17:35 E 11 16.09 Overcast SCT048 SCT060 OVC085 14 5 55% 77.29 0.0
31 17:15 E 13 16.09 Overcast OVC080 15 5 51% 77.27 0.0
31 16:55 E 11 16.09 Overcast OVC080 15 5 51% 77.27 0.0
31 16:35 E 17 16.09 Overcast OVC080 15 5 51% 77.24 0.0
31 16:15 E 19 16.09 Overcast OVC080 15 4 48% 77.24 0.0
31 15:55 E 15 16.09 Overcast OVC090 15 4 48% 77.27 0.0
31 15:35 E 15 16.09 Overcast OVC090 16 5 48% 77.27 0.0
31 15:15 E 15 16.09 Overcast SCT070 OVC100 15 5 51% 77.27 0.0
31 14:55 E 13 16.09 Overcast BKN070 OVC095 15 5 51% 77.29 0.0
31 14:35 SE 15 16.09 Mostly Cloudy BKN080 BKN095 15 5 51% 77.29 0.0
31 14:15 SE 17 16.09 Overcast BKN080 OVC100 15 6 55% 77.29 0.0
31 13:55 SE 22 16.09 Mostly Cloudy BKN080 BKN100 15 6 15.3 10.6 55% 77.32 0.0
31 13:35 E 19 16.09 Partly Cloudy SCT090 15 6 55% 77.34 0.0
31 13:15 E 17 16.09 Partly Cloudy SCT065 SCT075 SCT110 14 6 59% 77.37 0.0
31 12:55 SE 15 16.09 Mostly Cloudy BKN070 14 6 59% 77.39 0.0
31 12:35 SE 15 16.09 Mostly Cloudy BKN070 13 7 67% 77.39 0.0
31 12:15 E 19 16.09 Overcast OVC075 13 6 63% 77.42 0.0
Date Time (est) 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)