National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Cincinnati W Airport
Metric (Imperial)
Date Time (edt) 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.
12 18:15 NW 11 16.09 Fair CLR 27 13 42% 27 76.07 0.0
12 17:55 W 17 16.09 Fair CLR 27 14 45% 27 76.07 0.0
12 17:35 W 13 16.09 Fair CLR 27 14 45% 27 76.05 0.0
12 17:15 W 11 16.09 Fair CLR 27 15 48% 27 76.05 0.0
12 16:55 NW 13 16.09 Fair CLR 27 16 51% 27 76.05 0.0
12 16:35 NW 13 16.09 Fair CLR 27 16 51% 27 76.05 0.0
12 16:15 NW 15 16.09 Fair CLR 27 16 51% 27 76.05 0.0
12 15:55 W 11 16.09 Partly Cloudy SCT050 27 17 54% 28 76.05 0.0
12 15:35 W 11 G 26 16.09 Fair CLR 27 16 51% 27 76.07 0.0
12 15:15 W 13 16.09 Fair CLR 27 16 51% 27 76.07 0.0
12 14:55 NW 13 16.09 Fair CLR 27 16 51% 27 76.07 0.0
12 14:35 W 17 G 28 16.09 Fair CLR 26 16 54% 27 76.1 0.0
12 14:15 NW 9 16.09 Fair CLR 26 17 58% 27 76.07 0.0
12 13:55 W 9 16.09 Fair CLR 26 17 58% 27 76.1 0.0
12 13:35 NW 6 16.09 Partly Cloudy SCT032 25 18 65% 26 76.1 0.0
12 13:15 NW 7 16.09 Fair CLR 25 18 65% 26 76.1 0.0
12 12:55 NW 9 16.09 Partly Cloudy SCT029 SCT038 25 18 65% 26 76.1 0.0
12 12:35 NW 11 16.09 Partly Cloudy SCT027 SCT031 24 18 69% 25 76.1 0.0
12 12:15 NW 9 16.09 Mostly Cloudy BKN025 BKN031 24 18 69% 25 76.1 0.0
12 11:55 NW 13 16.09 Mostly Cloudy BKN025 BKN031 23 19 78% 76.07 0.0
12 11:35 NW 11 16.09 Mostly Cloudy SCT023 SCT028 BKN090 23 19 78% 76.05 0.0
12 11:15 NW 11 16.09 Mostly Cloudy SCT017 SCT023 BKN090 23 19 78% 76.05 0.0
12 10:55 NW 6 16.09 Mostly Cloudy SCT013 BKN023 BKN032 23 20 83% 76.02 0.0
12 10:35 NW 13 16.09 Mostly Cloudy SCT013 BKN021 BKN031 23 20 83% 76.02 0.0
12 10:15 W 7 16.09 Overcast SCT011 OVC017 22 20 88% 76.05 0.0
12 09:55 W 11 16.09 Overcast BKN011 BKN019 OVC028 22 20 88% 76.05 0.0
12 09:35 W 6 16.09 Overcast BKN011 BKN017 OVC034 22 20 88% 76.05 0.0
12 09:15 W 7 16.09 Overcast OVC011 21 20 94% 76.05 0.0
12 08:55 SW 7 16.09 Overcast OVC013 21 20 94% 76.05 0.0
12 08:35 SW 9 16.09 Overcast OVC013 21 20 94% 76.02 0.0
12 08:15 Calm 16.09 Overcast OVC015 21 20 94% 76 0.0
12 07:55 SW 6 16.09 Overcast SCT006 OVC019 20 20 100% 76.02 0.0
12 07:35 SW 6 16.09 Mostly Cloudy SCT006 BKN022 BKN033 21 20 94% 76.02 0.0
12 07:15 SW 7 16.09 Partly Cloudy SCT008 SCT024 SCT033 20 20 100% 75.97 0.0
12 06:55 SW 6 16.09 Partly Cloudy SCT008 20 20 100% 75.97 0.0
12 06:35 Calm 16.09 Partly Cloudy SCT037 20 19 94% 75.92 0.0
12 06:15 Calm 16.09 Partly Cloudy SCT037 20 19 94% 75.92 0.0
12 05:55 SW 9 16.09 Partly Cloudy SCT009 SCT050 SCT110 20 19 94% 75.95 0.0
12 05:35 SW 11 16.09 Partly Cloudy SCT050 SCT090 SCT120 20 20 100% 75.92 0.0
12 05:15 SW 7 16.09 Partly Cloudy SCT100 20 20 100% 75.92 0.0
12 04:55 SW 9 16.09 Fair CLR 20 20 100% 75.92 0.0 0.18
12 04:35 S 7 16.09 Mostly Cloudy SCT070 SCT090 BKN110 20 19 94% 75.87 0.0 0.15
12 04:15 Calm 16.09 Overcast SCT017 BKN049 OVC110 21 19 88% 75.92 0.0 0.1
12 03:55 SW 13 16.09 Overcast SCT021 BKN047 OVC070 20 19 94% 76.02 0.0
12 03:35 SW 11 16.09 Mostly Cloudy BKN070 BKN080 BKN110 20 20 100% 75.97 0.0
12 03:15 SW 11 16.09 Mostly Cloudy BKN085 BKN110 20 19 94% 75.92 0.0
12 02:55 SW 6 16.09 Partly Cloudy SCT085 20 19 94% 75.95 0.0
12 02:35 S 7 16.09 Mostly Cloudy BKN085 20 19 94% 75.92 0.0
12 02:15 S 7 16.09 Overcast BKN075 OVC085 20 19 94% 75.92 0.0
12 01:55 Calm 16.09 Mostly Cloudy SCT060 BKN070 BKN120 21 18 83% 75.97 0.0 0.18
12 01:35 Calm 11.27 Overcast SCT020 BKN060 OVC070 21 19 88% 76.05 0.0 0.15
12 01:15 NW 11 8.05 Overcast SCT019 SCT044 OVC050 21 19 88% 76.05 0.0 0.13
12 00:55 NW 20 G 46 16.09 Overcast SCT041 BKN050 OVC080 23 18 74% 76.05 0.0
12 00:35 SW 9 16.09 Partly Cloudy SCT065 SCT085 27 21 70% 29 75.87 0.0
12 00:15 SW 11 16.09 Fair CLR 27 21 70% 29 75.87 0.0
11 23:55 SW 13 16.09 Partly Cloudy SCT090 27 21 70% 29 75.84 0.0
11 23:35 SW 11 11.27 Partly Cloudy SCT090 27 21 70% 29 75.84 0.0
11 23:15 SW 11 16.09 Fair CLR 27 21 70% 29 75.84 0.0
11 22:55 SW 11 8.05 Fair CLR 28 21 66% 30 75.84 0.0
11 22:35 SW 15 16.09 Fair CLR 28 21 66% 30 75.82 0.0
11 22:15 SW 13 11.27 Fair CLR 28 21 66% 30 75.79 0.0
11 21:55 SW 17 11.27 Fair CLR 28 21 66% 30 75.79 0.0
11 21:35 SW 15 16.09 Fair CLR 28 22 70% 31 75.77 0.0
11 21:15 SW 7 16.09 Fair CLR 28 22 70% 31 75.77 0.0
11 20:55 S 9 16.09 Fair CLR 29 22 66% 32 75.74 0.0
11 20:35 S 9 16.09 Fair CLR 30 22 62% 33 75.74 0.0
11 20:15 S 11 16.09 Fair CLR 30 22 62% 33 75.74 0.0
11 19:55 SW 13 16.09 Fair CLR 30 22 62% 33 75.77 0.0
11 19:35 SW 15 G 26 16.09 Fair CLR 30 22 62% 33 75.77 0.0
11 19:15 SW 11 16.09 Partly Cloudy SCT039 SCT050 30 22 62% 33 75.77 0.0
11 18:55 S 19 G 26 16.09 Partly Cloudy SCT041 SCT100 31 23 62% 35 75.77 0.0
11 18:35 SW 13 16.09 Partly Cloudy SCT090 31 23 62% 35 75.77 0.0
11 18:15 S 15 16.09 Partly Cloudy SCT090 SCT110 31 23 62% 35 75.77 0.0
11 17:55 SW 9 16.09 Partly Cloudy SCT100 30 22 62% 33 75.79 0.0
11 17:35 SW 17 16.09 Partly Cloudy SCT045 SCT050 SCT070 31 22 59% 35 75.82 0.0
11 17:15 SW 20 16.09 Mostly Cloudy SCT044 BKN050 BKN070 31 22 59% 35 75.82 0.0
11 16:55 SW 13 16.09 Partly Cloudy SCT046 32 22 55% 36 75.82 0.0
11 16:35 SW 13 16.09 Fair CLR 32 21 52% 35 75.84 0.0
11 16:15 W 19 G 28 16.09 Partly Cloudy SCT046 32 21 52% 35 75.87 0.0
11 15:55 W 19 G 28 16.09 Partly Cloudy SCT046 32 21 52% 35 75.9 0.0
11 15:35 SW 17 G 28 16.09 Partly Cloudy SCT046 31 21 55% 34 75.9 0.0
11 15:15 SW 13 16.09 Mostly Cloudy BKN048 BKN110 31 21 55% 34 75.92 0.0
11 14:55 SW 9 16.09 Partly Cloudy SCT048 SCT110 31 21 55% 34 75.92 0.0
11 14:35 W 17 16.09 Fair CLR 31 21 55% 34 75.92 0.0
11 14:15 SW 9 16.09 Partly Cloudy SCT100 30 22 62% 33 75.92 0.0
11 13:55 S 7 16.09 Mostly Cloudy BKN110 29 22 66% 32 75.95 0.0
11 13:35 SW 7 16.09 Mostly Cloudy SCT039 BKN120 29 22 66% 32 75.97 0.0
11 13:15 SW 11 16.09 Mostly Cloudy SCT037 BKN043 BKN110 28 21 66% 30 75.97 0.0
11 12:55 SW 15 16.09 Mostly Cloudy SCT032 BKN039 BKN045 29 21 62% 31 75.97 0.0
11 12:35 SW 7 16.09 Partly Cloudy SCT033 SCT046 29 22 66% 32 75.95 0.0
11 12:15 SW 9 16.09 Fair CLR 28 22 70% 31 75.97 0.0
11 11:55 SW 17 16.09 Partly Cloudy SCT110 28 21 66% 30 75.95 0.0
11 11:35 SW 19 16.09 Partly Cloudy SCT024 28 21 66% 30 75.92 0.0
11 11:15 SW 11 16.09 Partly Cloudy SCT022 27 22 74% 29 75.9 0.0
11 10:55 SW 13 16.09 Partly Cloudy SCT022 27 22 74% 29 75.87 0.0
11 10:35 SW 13 16.09 Fair CLR 26 22 79% 28 75.79 0.0
11 10:15 S 13 16.09 Fair CLR 26 22 79% 28 75.77 0.0
11 09:55 S 9 16.09 Fair CLR 26 22 79% 28 75.77 0.0
11 09:35 S 13 16.09 Fair CLR 26 22 79% 28 75.74 0.0
11 09:15 SW 9 16.09 Partly Cloudy SCT021 26 22 79% 28 75.82 0.0
11 08:55 SW 9 16.09 Partly Cloudy SCT021 26 22 79% 28 75.84 0.0
11 08:35 SW 15 16.09 Partly Cloudy SCT023 SCT034 26 22 79% 28 75.9 0.0
11 08:15 SW 17 G 26 16.09 Partly Cloudy SCT028 SCT034 26 22 79% 28 75.92 0.0
11 07:55 SW 9 16.09 Fair CLR 26 22 79% 28 75.92 0.0
11 07:35 SW 7 16.09 Partly Cloudy SCT025 25 22 83% 26 75.9 0.0
11 07:15 S 6 16.09 Mostly Cloudy BKN027 24 21 83% 24 75.9 0.0
11 06:55 SW 7 16.09 Mostly Cloudy BKN029 24 21 83% 24 75.87 0.0
11 06:35 SW 7 16.09 Partly Cloudy SCT033 SCT045 SCT055 24 21 83% 24 75.87 0.0
11 06:15 SW 7 16.09 Mostly Cloudy SCT035 BKN045 BKN055 24 21 83% 24 75.87 0.0
11 05:55 SW 7 16.09 Fair CLR 24 21 83% 24 75.84 0.0
11 05:35 S 7 16.09 Fair CLR 24 21 83% 24 75.84 0.0
11 05:15 S 6 16.09 Fair CLR 25 21 79% 26 75.87 0.0
11 04:55 SW 7 16.09 Partly Cloudy SCT065 SCT070 SCT080 25 21 79% 26 75.87 0.0
11 04:35 SW 11 16.09 Mostly Cloudy SCT049 SCT065 BKN075 25 22 83% 26 75.87 0.0
11 04:15 SW 11 16.09 Mostly Cloudy SCT049 BKN060 BKN070 25 22 83% 26 75.87 0.0
11 03:55 SW 11 16.09 Mostly Cloudy BKN049 BKN055 25 22 83% 26 75.87 0.0
11 03:35 SW 9 16.09 Partly Cloudy SCT047 25 22 83% 26 75.87 0.0
11 03:15 S 7 16.09 Partly Cloudy SCT047 25 22 83% 26 75.9 0.0
11 02:55 S 7 16.09 Fair CLR 25 22 83% 26 75.87 0.0
11 02:35 SW 7 16.09 Fair CLR 25 22 83% 26 75.9 0.0
11 02:15 SW 7 16.09 Fair CLR 25 22 83% 26 75.87 0.0
11 01:55 SW 7 16.09 Fair CLR 26 22 79% 28 75.87 0.0
11 01:35 SW 13 16.09 Fair CLR 25 22 83% 26 75.87 0.0
11 01:15 SW 13 16.09 Fair CLR 26 22 79% 28 75.84 0.0
11 00:55 SW 11 16.09 Fair CLR 26 22 79% 28 75.84 0.0
11 00:35 SW 6 16.09 Fair CLR 26 22 79% 28 75.84 0.0
11 00:15 S 6 16.09 Fair CLR 26 22 79% 28 75.82 0.0
10 23:35 SW 13 16.09 Fair CLR 27 22 74% 29 75.82 0.0
10 23:15 SW 11 16.09 Fair CLR 27 22 74% 29 75.84 0.0
10 22:55 SW 9 16.09 Fair CLR 27 22 74% 29 75.84 0.0
10 22:35 SW 11 16.09 Fair CLR 27 22 74% 29 75.84 0.0
10 22:15 SW 11 16.09 Partly Cloudy SCT055 28 22 70% 31 75.84 0.0
10 21:55 SW 7 16.09 Partly Cloudy SCT055 SCT065 28 22 70% 31 75.84 0.0
10 21:35 SW 7 16.09 Partly Cloudy SCT065 28 22 70% 31 75.84 0.0
10 21:15 SW 9 16.09 Fair CLR 28 22 70% 31 75.84 0.0
10 20:55 SW 7 16.09 Partly Cloudy SCT050 SCT065 29 22 66% 32 75.84 0.0
10 20:35 SW 9 16.09 Fair CLR 30 22 62% 33 75.84 0.0
10 20:15 SW 7 16.09 Fair CLR 30 22 62% 33 75.87 0.0
10 19:55 SW 9 16.09 Fair CLR 31 22 59% 35 75.84 0.0
10 19:35 SW 13 16.09 Fair CLR 31 22 59% 35 75.82 0.0
10 19:15 SW 15 G 31 16.09 Fair CLR 31 22 59% 35 75.84 0.0
10 18:55 SW 17 16.09 Fair CLR 31 22 59% 35 75.84 0.0
10 18:35 SW 13 16.09 Fair CLR 32 23 59% 37 75.82 0.0
10 18:15 SW 15 G 26 16.09 Partly Cloudy SCT060 32 22 55% 36 75.82 0.0
10 17:55 W 22 G 30 16.09 Partly Cloudy SCT043 SCT060 32 22 55% 36 75.82 0.0
10 17:35 SW 13 16.09 Mostly Cloudy BKN043 BKN060 32 23 59% 37 75.84 0.0
10 17:15 SW 19 G 26 16.09 Mostly Cloudy BKN043 32 23 59% 37 75.84 0.0
10 16:55 SW 19 G 31 16.09 Mostly Cloudy BKN043 BKN050 BKN060 32 23 59% 37 75.84 0.0
10 16:35 SW 15 G 30 16.09 Mostly Cloudy SCT043 BKN060 32 23 59% 37 75.87 0.0
10 16:15 SW 19 G 26 16.09 Partly Cloudy SCT041 SCT050 SCT060 32 23 59% 37 75.87 0.0
10 15:55 SW 15 G 28 16.09 Mostly Cloudy SCT041 BKN050 32 23 59% 37 75.87 0.0
10 15:35 SW 19 G 28 16.09 Partly Cloudy SCT043 SCT060 31 23 62% 35 75.87 0.0
10 15:15 SW 19 G 28 16.09 Mostly Cloudy SCT038 SCT046 BKN060 31 23 62% 35 75.9 0.0
10 14:55 SW 15 G 31 16.09 Mostly Cloudy SCT038 BKN050 31 23 62% 35 75.92 0.0
10 14:35 SW 17 G 26 16.09 Mostly Cloudy SCT036 SCT042 BKN050 31 23 62% 35 75.92 0.0
10 14:15 SW 15 G 26 16.09 Partly Cloudy SCT036 SCT044 SCT055 31 24 66% 37 75.95 0.0
10 13:55 S 19 G 26 16.09 Mostly Cloudy SCT030 SCT038 BKN055 31 24 66% 37 75.95 0.0 0.03
10 13:35 SW 13 16.09 Mostly Cloudy SCT026 SCT035 BKN055 31 24 66% 37 75.97 0.0 0.03
10 13:15 SW 13 16.09 Mostly Cloudy BKN026 BKN036 BKN055 30 24 70% 35 75.97 0.0
10 12:55 SW 11 16.09 Mostly Cloudy BKN024 BKN034 BKN041 30 24 70% 35 76 0.0
10 12:35 SW 13 16.09 Mostly Cloudy SCT024 BKN030 BKN034 30 24 70% 35 76 0.0
10 12:15 SW 15 16.09 Mostly Cloudy BKN024 BKN033 BKN047 29 24 74% 34 76 0.0
10 11:55 SW 11 16.09 Overcast BKN020 OVC026 28 24 79% 32 76.02 0.0 0.03
10 11:35 SW 11 16.09 Overcast OVC020 28 24 79% 32 76.02 0.0
10 11:15 SW 11 16.09 Overcast OVC018 27 24 84% 30 76.02 0.0
10 10:55 SW 11 16.09 Overcast OVC018 27 23 79% 30 76.02 0.0
10 10:35 SW 7 16.09 Overcast OVC016 27 23 79% 30 76.05 0.0
10 10:15 SW 11 16.09 Overcast OVC016 26 23 84% 28 76.05 0.0
10 09:55 SW 6 16.09 Overcast OVC014 26 23 84% 28 76.05 0.0 0.03
10 09:35 SW 7 16.09 Overcast OVC014 25 23 89% 26 76.07 0.0 0.03
10 09:15 SW 9 16.09 Overcast OVC014 25 23 89% 26 76.07 0.0
10 08:55 SW 11 16.09 Overcast OVC014 25 23 89% 26 76.05 0.0
10 08:35 SW 6 16.09 Mostly Cloudy BKN014 BKN030 25 22 83% 26 76.05 0.0
10 08:15 SW 7 16.09 Mostly Cloudy SCT009 SCT014 BKN028 23 22 94% 76.05 0.0
10 07:55 SW 7 16.09 Mostly Cloudy BKN009 BKN024 BKN028 23 22 94% 76.05 0.0
10 07:35 SW 6 16.09 Overcast OVC009 23 22 94% 76.05 0.0
10 07:15 Calm 16.09 Overcast OVC009 23 22 94% 76.05 0.0
10 06:55 Calm 16.09 Overcast BKN009 OVC024 22 22 100% 76.05 0.0 0.03
10 06:35 S 6 16.09 Overcast SCT009 OVC024 22 22 100% 76.05 0.0
10 06:15 SW 6 16.09 Overcast SCT009 OVC022 22 22 100% 76.02 0.0
10 05:55 SW 6 16.09 Overcast SCT009 OVC022 22 21 94% 76.02 0.0
10 05:35 SW 7 16.09 Overcast BKN009 OVC022 22 21 94% 76.02 0.0
10 05:15 S 6 16.09 Mostly Cloudy SCT009 BKN024 BKN028 22 21 94% 76 0.0
10 04:55 SW 7 16.09 Mostly Cloudy SCT028 BKN037 BKN042 22 21 94% 76 0.0 0.03
10 04:35 W 9 16.09 Mostly Cloudy SCT028 BKN035 BKN042 22 21 94% 76 0.0
10 04:15 W 6 16.09 Overcast SCT030 BKN037 OVC047 22 21 94% 76 0.0
10 03:55 Calm 16.09 Overcast SCT009 BKN034 OVC047 22 21 94% 76.02 0.0 0.03
10 03:35 S 7 16.09 Mostly Cloudy SCT009 BKN048 BKN065 22 21 94% 76.02 0.0 0.03
10 03:15 SW 13 16.09 Mostly Cloudy SCT060 SCT075 BKN110 22 21 94% 76.05 0.0 0.03
10 02:55 Calm 16.09 Mostly Cloudy BKN110 22 21 94% 76.05 0.0 0.03
10 02:35 SW 6 16.09 Mostly Cloudy SCT016 SCT038 BKN070 22 21 94% 76.07 0.0 0.03
10 02:15 SW 7 16.09 Mostly Cloudy SCT023 BKN037 BKN055 22 21 94% 76.1 0.0 0.03
10 01:55 Calm 16.09 Partly Cloudy SCT060 SCT075 SCT080 21 20 94% 76.1 0.0 0.08
10 01:35 SW 6 16.09 Mostly Cloudy SCT090 BKN110 22 20 88% 76.05 0.0 0.05
10 01:15 S 9 16.09 Overcast SCT075 OVC100 22 20 88% 76.05 0.0 0.03
10 00:55 SW 6 16.09 Mostly Cloudy SCT095 BKN110 22 20 88% 76.12 0.0 0.1
10 00:35 SW 9 16.09 Mostly Cloudy SCT050 SCT075 BKN095 22 20 88% 76.07 0.0 0.05
10 00:15 W 22 G 35 11.27 Overcast SCT023 BKN050 OVC060 23 20 83% 76.12 0.0
09 23:55 NW 17 G 37 16.09 Overcast SCT015 BKN039 OVC065 25 20 74% 26 76.12 0.0
09 23:35 SW 15 16.09 Mostly Cloudy BKN065 BKN120 26 23 84% 28 76.07 0.0
09 22:55 SW 11 16.09 Partly Cloudy SCT060 SCT095 26 23 84% 28 76.07 0.0
09 22:35 S 9 16.09 Mostly Cloudy BKN095 26 23 84% 28 76.05 0.0
09 22:15 S 11 16.09 Mostly Cloudy SCT045 BKN050 BKN060 26 23 84% 28 76.05 0.0
09 21:55 S 11 16.09 Overcast SCT019 BKN045 OVC060 26 23 84% 28 76.05 0.0
09 21:35 S 6 16.09 Partly Cloudy SCT021 SCT026 26 23 84% 28 76.02 0.0
09 21:15 S 11 16.09 Fair CLR 26 23 84% 28 76.02 0.0
09 20:55 S 7 16.09 Fair CLR 26 23 84% 28 76.02 0.0
09 20:35 S 11 16.09 Fair CLR 26 23 84% 28 76.05 0.0
09 20:15 SW 13 16.09 Partly Cloudy SCT023 27 23 79% 30 76.05 0.0
09 19:55 SW 15 16.09 Fair CLR 27 23 79% 30 76.05 0.0
09 19:35 SW 13 16.09 Fair CLR 28 23 74% 31 76.05 0.0
09 19:15 S 15 16.09 Partly Cloudy SCT022 SCT030 SCT036 28 23 74% 31 76.05 0.0
09 18:55 SW 15 G 28 16.09 Mostly Cloudy SCT024 BKN030 BKN036 27 23 79% 30 76.05 0.0
09 18:35 SW 13 16.09 Partly Cloudy SCT026 28 23 74% 31 76.07 0.0
Date Time (edt) 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)