Weather observations for the past three days for
Denison
Imperial (Metric)
Date Time (cdt) 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.
01 06:15 NW 10 10.00 Overcast OVC008 37.4 37.4 100% 31 30.1 0.0
01 05:55 NW 9 10.00 Overcast OVC008 37.4 37.4 100% 31 30.1 0.0
01 05:35 NW 10 10.00 Overcast OVC009 37.4 37.4 100% 31 30.09 0.0
01 05:15 NW 12 10.00 Overcast OVC010 37.4 37.4 100% 30 30.08 0.0
01 04:55 NW 10 10.00 Overcast OVC010 37.4 37.4 100% 31 30.08 0.0
01 04:35 NW 10 10.00 Overcast SCT012 BKN020 OVC070 37.4 37.4 100% 31 30.07 0.0
01 04:15 NW 12 10.00 Overcast OVC018 37.4 35.6 93% 30 30.08 0.0
01 03:55 NW 10 10.00 Overcast OVC018 37.4 37.4 100% 31 30.08 0.0
01 03:35 NW 9 10.00 Overcast BKN019 BKN044 OVC080 37.4 37.4 100% 31 30.07 0.0
01 03:15 NW 7 10.00 Overcast FEW044 OVC075 37.4 37.4 100% 33 30.07 0.0
01 02:55 NW 7 10.00 Overcast FEW012 SCT055 OVC075 37.4 37.4 100% 33 30.07 0.0
01 02:35 NW 8 10.00 Overcast SCT011 SCT017 OVC055 39.2 37.4 93% 34 30.06 0.0
01 02:15 NW 8 10.00 Overcast BKN012 OVC017 39.2 37.4 93% 34 30.06 0.0
01 01:55 NW 8 10.00 Overcast OVC013 37.4 37.4 100% 32 30.05 0.0
01 01:35 NW 8 10.00 Overcast BKN014 BKN034 OVC075 37.4 37.4 100% 32 30.05 0.0
01 01:15 NW 8 10.00 Overcast SCT014 BKN035 OVC075 37.4 37.4 100% 32 30.05 0.0
01 00:55 NW 8 10.00 Mostly Cloudy FEW018 SCT027 BKN035 39.2 37.4 93% 34 30.05 0.0
01 00:35 NW 9 6.00 Light Rain FEW019 BKN026 OVC038 39.2 39.2 100% 34 30.05 0.0
01 00:15 W 8 5.00 Light Rain FEW024 FEW029 OVC039 39.2 37.4 93% 34 30.05 0.0
31 23:55 NW 13 9.00 Overcast BKN040 BKN046 OVC055 39.2 37.4 93% 32 30.05 0.0
31 23:35 NW 12 10.00 Overcast SCT038 BKN050 OVC075 39.2 35.6 87% 33 30.05 0.0
31 23:15 W 8 10.00 Overcast SCT031 BKN049 OVC080 39.2 35.6 87% 34 30.05 0.0
31 22:55 W 7 10.00 Overcast BKN030 BKN050 OVC080 39.2 35.6 87% 35 30.04 0.0
31 22:35 W 7 10.00 Overcast BKN031 BKN065 OVC080 39.2 35.6 87% 35 30.04 0.0
31 22:15 W 6 10.00 Overcast FEW029 BKN034 OVC085 39.2 35.6 87% 36 30.04 0.0
31 21:55 W 10 10.00 Overcast FEW031 BKN075 OVC085 39.2 35.6 87% 33 30.04 0.0
31 21:35 NW 9 10.00 Overcast OVC075 41 35.6 81% 36 30.03 0.0
31 21:15 W 12 G 17 10.00 Overcast OVC075 41 35.6 81% 35 30.03 0.0
31 20:55 W 13 G 18 10.00 Overcast FEW032 SCT045 OVC070 41 35.6 81% 34 30.03 0.0
31 20:35 W 14 10.00 Overcast BKN033 OVC043 41 35.6 81% 34 30.03 0.0
31 20:15 W 14 10.00 Overcast BKN038 BKN046 OVC070 41 33.8 76% 34 30.03 0.0
31 19:55 W 12 G 17 10.00 Overcast OVC070 41 33.8 76% 35 30.03 0.0
31 19:35 W 8 10.00 Overcast BKN070 OVC080 41 33.8 76% 36 30.03 0.0
31 19:15 W 9 10.00 Mostly Cloudy FEW016 SCT022 BKN080 41 32 70% 36 30.03 0.0
31 18:35 W 8 G 17 10.00 Overcast OVC070 41 33.8 76% 36 30.01 0.0
31 18:15 W 10 G 18 10.00 Overcast OVC070 42.8 32 66% 38 30.01 0.0
31 17:55 W 13 G 24 10.00 Mostly Cloudy BKN070 42.8 32 66% 37 30.01 0.0
31 17:35 W 16 G 23 10.00 Mostly Cloudy FEW043 FEW050 BKN070 42.8 32 66% 36 30.01 0.0
31 17:15 W 18 10.00 Mostly Cloudy FEW037 SCT043 BKN055 42.8 32 66% 35 30.01 0.0
31 16:55 W 17 G 25 10.00 Mostly Cloudy FEW036 BKN065 44.6 32 61% 38 30 0.0
31 16:35 NW 14 G 24 10.00 Partly Cloudy FEW050 SCT065 44.6 32 61% 39 30 0.0
31 16:15 W 15 G 24 10.00 Partly Cloudy FEW035 FEW044 SCT065 44.6 32 61% 38 30 0.0
31 15:55 W 15 G 23 10.00 Mostly Cloudy BKN037 SCT045 BKN055 44.6 32 61% 38 30 0.0
31 15:35 NW 20 G 26 10.00 Mostly Cloudy SCT038 BKN046 BKN060 44.6 32 61% 37 30 0.0
31 15:15 NW 21 G 30 10.00 Partly Cloudy and Breezy SCT060 44.6 30.2 57% 37 30 0.0
31 14:55 NW 23 G 30 10.00 Partly Cloudy and Breezy FEW040 FEW055 SCT065 46.4 30.2 53% 39 29.99 0.0
31 14:35 NW 20 G 28 10.00 Mostly Cloudy FEW038 FEW046 BKN065 46.4 32 57% 40 30 0.0
31 14:15 NW 17 G 26 10.00 Mostly Cloudy BKN039 BKN046 44.6 32 61% 38 30 0.0
31 13:55 W 16 10.00 Mostly Cloudy BKN039 BKN045 44.6 30.2 57% 38 30 0.0
31 13:35 NW 18 G 24 10.00 Mostly Cloudy BKN036 46.4 32 57% 40 30.01 0.0
31 13:15 NW 15 G 24 10.00 Mostly Cloudy BKN034 44.6 32 61% 38 30.01 0.0
31 12:55 NW 16 G 25 10.00 Overcast OVC034 44.6 32 61% 38 30.02 0.0
31 12:35 W 21 10.00 Overcast and Breezy OVC035 44.6 30.2 57% 37 30.02 0.0
31 12:15 NW 17 G 25 10.00 Partly Cloudy SCT035 44.6 32 61% 38 30.02 0.0
31 11:55 W 17 10.00 Partly Cloudy SCT036 46.4 33.8 62% 40 30.02 0.0
31 11:15 W 14 G 22 10.00 Mostly Cloudy BKN046 42.8 32 66% 36 30.02 0.0
31 10:55 W 13 G 18 10.00 A Few Clouds FEW047 42.8 33.8 71% 37 30.03 0.0
31 10:35 NW 12 G 20 10.00 Fair CLR 42.8 33.8 71% 37 30.03 0.0
31 10:15 NW 12 10.00 Fair CLR 41 33.8 76% 35 30.03 0.0
31 09:55 NW 16 10.00 Fair CLR 41 33.8 76% 33 30.03 0.0
31 09:35 NW 13 10.00 Fair CLR 39.2 35.6 87% 32 30.03 0.0
31 09:15 W 9 10.00 Fair CLR 37.4 35.6 93% 31 30.02 0.0
31 08:55 W 6 10.00 A Few Clouds FEW060 37.4 33.8 87% 33 30.02 0.0
31 08:35 Calm 10.00 Partly Cloudy SCT060 33.8 33.8 100% 30.01 0.0
31 08:15 Calm 10.00 Fair CLR 35.6 33.8 93% 30.01 0.0
31 07:55 W 5 10.00 Fair CLR 35.6 33.8 93% 32 30.01 0.0
31 07:35 W 8 10.00 A Few Clouds FEW012 35.6 33.8 93% 30 30 0.0
31 07:15 Calm 10.00 Partly Cloudy SCT012 33.8 33.8 100% 30 0.0
31 06:55 Calm 10.00 A Few Clouds FEW012 33.8 33.8 100% 30 0.0
31 06:35 W 5 10.00 A Few Clouds FEW016 FEW110 35.6 33.8 93% 32 30 0.0
31 06:15 SW 5 10.00 Partly Cloudy SCT014 SCT019 35.6 33.8 93% 32 29.98 0.0
31 05:55 S 3 10.00 Partly Cloudy SCT013 SCT019 35.6 33.8 93% 29.98 0.0
31 05:35 SW 5 10.00 Mostly Cloudy BKN014 BKN019 35.6 33.8 93% 32 29.98 0.0
31 05:15 SW 3 10.00 Mostly Cloudy BKN013 35.6 33.8 93% 29.98 0.0
31 04:55 Calm 10.00 Mostly Cloudy BKN013 35.6 33.8 93% 29.97 0.0
31 04:35 SW 3 10.00 Partly Cloudy SCT013 37.4 33.8 87% 29.97 0.0
31 04:15 Calm 10.00 Partly Cloudy SCT014 35.6 33.8 93% 29.97 0.0
31 03:55 Calm 10.00 Partly Cloudy SCT013 35.6 33.8 93% 29.97 0.0
31 03:35 Calm 10.00 Partly Cloudy SCT014 SCT018 35.6 33.8 93% 29.97 0.0
31 03:15 Calm 10.00 Partly Cloudy SCT013 SCT018 33.8 33.8 100% 29.98 0.0
31 02:55 SW 3 10.00 Partly Cloudy SCT013 35.6 33.8 93% 29.97 0.0
31 02:35 Calm 10.00 Partly Cloudy FEW014 SCT075 35.6 33.8 93% 29.97 0.0
31 02:15 Calm 10.00 Mostly Cloudy BKN075 35.6 35.6 100% 29.97 0.0
31 01:55 W 3 10.00 Partly Cloudy SCT075 33.8 33.8 100% 29.98 0.0
31 01:35 Calm 10.00 Fair CLR 33.8 33.8 100% 29.97 0.0
31 01:15 SW 5 10.00 Fair CLR 33.8 33.8 100% 30 29.97 0.0
31 00:55 SW 5 10.00 Fair CLR 33.8 33.8 100% 30 29.97 0.0
31 00:35 SW 5 10.00 Fair CLR 33.8 33.8 100% 30 29.97 0.0
31 00:15 SW 3 10.00 Fair CLR 33.8 33.8 100% 29.97 0.0
30 23:55 SW 3 10.00 Fair CLR 33.8 33.8 100% 29.98 0.0
30 23:35 SW 6 10.00 Fair CLR 35.6 35.6 100% 31 29.98 0.0
30 23:15 SW 3 10.00 Fair CLR 33.8 33.8 100% 29.98 0.0
30 22:55 Calm 10.00 Fair CLR 33.8 33.8 100% 29.98 0.0
30 22:35 Calm 9.00 Fair CLR 32 32 100% 29.99 0.0
30 22:15 Calm 10.00 Fair CLR 33.8 33.8 100% 29.99 0.0
30 21:55 Calm 9.00 Fair CLR 33.8 33.8 100% 29.99 0.0
30 21:35 Calm 8.00 Fair CLR 33.8 33.8 100% 29.99 0.0
30 21:15 Calm 9.00 Fair CLR 33.8 33.8 100% 29.99 0.0
30 20:55 Calm 10.00 Fair CLR 35.6 35.6 100% 30 0.0
30 20:35 Calm 10.00 Fair CLR 37.4 37.4 100% 29.99 0.0
30 20:15 Calm 10.00 Fair CLR 39.2 37.4 93% 29.99 0.0
30 19:55 Calm 10.00 Fair CLR 41 39.2 93% 29.99 0.0
30 19:35 Calm 10.00 Fair CLR 41 39.2 93% 29.99 0.0
30 19:15 Calm 10.00 Fair CLR 44.6 39.2 81% 29.99 0.0
30 18:55 Calm 10.00 Fair CLR 46.4 39.2 76% 29.98 0.0
30 18:35 Calm 10.00 Fair CLR 46.4 39.2 76% 29.98 0.0
30 18:15 NW 8 10.00 Fair CLR 48.2 39.2 71% 45 29.98 0.0
30 17:55 NW 7 10.00 Fair CLR 50 41 71% 48 29.97 0.0
30 17:35 Calm 10.00 A Few Clouds FEW060 51.8 39.2 62% 29.97 0.0
30 17:15 W 6 10.00 Mostly Cloudy BKN060 51.8 39.2 62% 29.97 0.0
30 16:55 W 5 10.00 Partly Cloudy SCT070 SCT085 51.8 39.2 62% 29.97 0.0
30 16:35 NW 6 G 12 10.00 Partly Cloudy SCT070 SCT085 51.8 39.2 62% 29.98 0.0
30 16:15 NW 9 10.00 Fair CLR 51.8 39.2 62% 29.98 0.0
30 15:55 Calm 10.00 Fair CLR 51.8 41 67% 29.98 0.0
30 15:35 Calm 10.00 Fair CLR 50 41 71% 29.98 0.0
30 15:15 SW 5 10.00 Fair CLR 50 39.2 67% 49 29.97 0.0
30 14:55 SW 6 10.00 Fair CLR 50 41 71% 48 29.98 0.0
30 14:35 S 8 9.00 Fair CLR 48.2 41 76% 45 29.98 0.0
30 14:15 SW 6 10.00 Fair CLR 48.2 41 76% 46 29.98 0.0
30 13:55 S 5 10.00 Fair CLR 46.4 42.8 87% 45 29.99 0.0
30 13:35 SW 6 10.00 Fair CLR 46.4 42.8 87% 44 30.01 0.0
30 13:15 SW 5 10.00 Fair CLR 44.6 42.8 93% 43 30.02 0.0
30 12:55 Vrbl 3 9.00 Fair CLR 46.4 44.6 93% 30.03 0.0
30 12:35 Calm 9.00 Fair CLR 42.8 42.8 100% 30.05 0.0
30 12:15 SW 7 9.00 Fair CLR 42.8 42.8 100% 39 30.06 0.0
30 11:55 SW 6 7.00 Partly Cloudy SCT004 41 41 100% 38 30.07 0.0
30 11:35 Vrbl 5 4.00 Fog/Mist BKN003 39.2 39.2 100% 36 30.07 0.0
30 11:15 W 7 0.50 Fog/Mist OVC002 39.2 39.2 100% 35 30.08 0.0
30 10:55 W 7 0.75 Fog/Mist OVC002 37.4 37.4 100% 33 30.07 0.0
30 10:35 S 5 0.15 Fog OVC002 35.6 35.6 100% 32 30.04 0.0
30 10:15 SW 6 0.15 Fog BKN002 35.6 35.6 100% 31 30.06 0.0
30 09:55 SW 7 0.15 Fog VV000 35.6 35.6 100% 31 30.08 0.0
30 09:35 SW 5 0.15 Fog OVC002 33.8 33.8 100% 30 30.07 0.0
30 09:15 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.09 0.0
30 08:55 W 3 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 08:35 W 3 0.15 Fog OVC002 32 32 100% 30.1 0.0
30 08:15 Vrbl 3 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 07:55 Calm 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 07:35 W 3 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 07:15 Calm 0.15 Fog OVC002 32 32 100% 30.08 0.0
30 06:55 Calm 0.15 Overcast OVC002 32 32 100% 30.08 0.0
30 06:35 Calm 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 06:15 Calm 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 05:55 Calm 0.15 Fog OVC002 32 32 100% 30.09 0.0
30 05:35 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.11 0.0
30 05:15 Calm 0.15 Fog NULL 33.8 33.8 100% 30.1 0.0
30 04:35 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.1 0.0
30 04:15 NE 5 0.15 Fog OVC002 33.8 33.8 100% 30 30.1 0.0
30 03:55 NW 5 0.15 Fog OVC002 33.8 33.8 100% 30 30.12 0.0
30 03:35 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.12 0.0
30 03:15 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.12 0.0
30 02:55 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.13 0.0
30 02:35 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.13 0.0
30 02:15 Calm 0.15 Fog OVC002 32 32 100% 30.14 0.0
30 01:55 Calm 0.15 Fog OVC002 32 32 100% 30.14 0.0
30 01:35 Calm 0.15 Fog OVC002 32 32 100% 30.14 0.0
30 01:15 Calm 0.15 Fog OVC002 32 32 100% 30.14 0.0
30 00:55 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.14 0.0
30 00:35 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.14 0.0
30 00:15 Calm 0.15 Fog OVC002 33.8 33.8 100% 30.15 0.0
29 23:55 Calm 0.15 Fog OVC002 32 32 100% 30.15 0.0
29 23:35 Calm 0.15 Fog VV000 32 32 100% 30.16 0.0
29 23:15 Calm 0.15 Fog VV000 32 32 100% 30.15 0.0
29 22:55 Calm 0.15 Fog VV000 33.8 33.8 100% 30.16 0.0
29 22:35 Calm 0.25 Fog VV002 33.8 33.8 100% 30.16 0.0
29 22:15 Calm 3.00 Fog/Mist CLR 35.6 35.6 100% 30.17 0.0
29 21:55 Calm 4.00 Fog/Mist CLR 37.4 37.4 100% 30.17 0.0
29 21:35 Calm 3.00 Fog/Mist CLR 37.4 37.4 100% 30.16 0.0
29 21:15 Calm 10.00 Fair CLR 39.2 39.2 100% 30.16 0.0
29 20:55 N 3 10.00 Fair CLR 39.2 39.2 100% 30.16 0.0
29 20:35 Calm 10.00 Fair CLR 39.2 39.2 100% 30.18 0.0
29 20:15 NW 5 10.00 Fair CLR 41 39.2 93% 38 30.18 0.0
29 19:55 N 5 10.00 Fair CLR 41 41 100% 38 30.18 0.0
29 19:35 Calm 10.00 Fair CLR 41 41 100% 30.18 0.0
29 19:15 NW 5 10.00 Fair CLR 41 41 100% 38 30.19 0.0
29 18:55 N 5 10.00 Fair CLR 42.8 41 93% 41 30.19 0.0
29 18:35 NW 6 10.00 Fair CLR 42.8 41 93% 40 30.19 0.0
29 18:15 N 10 10.00 A Few Clouds FEW038 44.6 41 87% 40 30.19 0.0
29 17:55 N 12 10.00 Partly Cloudy SCT035 46.4 41 82% 42 30.19 0.0
29 17:35 N 13 G 20 10.00 Mostly Cloudy SCT030 BKN037 BKN043 48.2 42.8 82% 43 30.19 0.0
29 17:15 N 14 10.00 Overcast FEW022 OVC029 48.2 42.8 82% 43 30.19 0.0
29 16:55 N 12 G 22 10.00 Overcast FEW023 OVC029 48.2 41 76% 44 30.19 0.0
29 16:35 N 14 10.00 Overcast FEW021 BKN029 OVC043 50 42.8 76% 45 30.19 0.0
29 16:15 N 10 G 18 10.00 Mostly Cloudy FEW019 FEW024 BKN031 50 42.8 76% 46 30.19 0.0
29 15:55 N 15 10.00 Partly Cloudy FEW020 FEW027 SCT035 50 42.8 76% 45 30.19 0.0
29 15:35 N 10 G 17 10.00 A Few Clouds FEW023 FEW041 50 42.8 76% 46 30.19 0.0
29 15:15 N 14 G 22 10.00 A Few Clouds FEW022 FEW040 FEW050 50 42.8 76% 45 30.19 0.0
29 14:55 N 16 10.00 Partly Cloudy FEW022 SCT027 SCT039 50 42.8 76% 45 30.19 0.0
29 14:35 N 14 10.00 Mostly Cloudy FEW021 SCT027 BKN046 50 42.8 76% 45 30.2 0.0
29 14:15 N 15 G 21 10.00 Partly Cloudy FEW021 SCT027 SCT043 50 44.6 82% 45 30.21 0.0
29 13:55 N 12 G 24 10.00 Partly Cloudy SCT020 SCT029 SCT046 50 42.8 76% 46 30.21 0.0
29 13:35 N 15 G 22 10.00 Mostly Cloudy FEW020 SCT025 BKN029 51.8 42.8 72% 30.22 0.0
29 13:15 N 15 G 25 10.00 Mostly Cloudy BKN019 BKN027 BKN036 50 42.8 76% 45 30.23 0.0
29 12:55 N 16 10.00 Mostly Cloudy BKN020 BKN026 BKN032 50 44.6 82% 45 30.23 0.0
29 12:35 N 18 9.00 Mostly Cloudy BKN019 BKN027 50 42.8 76% 44 30.24 0.0
29 12:15 N 13 G 21 10.00 Overcast SCT016 BKN021 OVC025 48.2 44.6 87% 43 30.24 0.0
29 11:55 N 18 10.00 Mostly Cloudy BKN016 BKN022 48.2 44.6 87% 42 30.25 0.0
29 11:35 N 14 G 25 10.00 Partly Cloudy SCT018 SCT024 SCT050 48.2 42.8 82% 43 30.25 0.0
29 11:15 N 16 G 25 10.00 Mostly Cloudy BKN016 BKN025 BKN050 48.2 44.6 87% 43 30.25 0.0
29 10:55 N 16 G 23 10.00 Overcast BKN015 BKN021 OVC050 46.4 44.6 93% 40 30.26 0.0
29 10:35 N 15 G 25 10.00 Overcast BKN015 BKN022 OVC050 46.4 44.6 93% 41 30.25 0.0
29 10:15 N 16 G 28 10.00 Overcast OVC014 46.4 42.8 87% 40 30.25 0.0
29 09:55 N 18 G 25 10.00 Overcast OVC013 46.4 42.8 87% 40 30.25 0.0
29 09:35 N 18 G 25 10.00 Overcast OVC013 46.4 44.6 93% 40 30.24 0.0
29 09:15 N 15 G 23 10.00 Overcast OVC013 44.6 42.8 93% 38 30.24 0.0
29 08:55 N 16 G 22 10.00 Overcast OVC013 44.6 42.8 93% 38 30.24 0.0
29 08:35 N 14 G 22 10.00 Overcast OVC013 44.6 42.8 93% 39 30.23 0.0
29 08:15 N 15 G 21 10.00 Overcast OVC012 44.6 42.8 93% 38 30.23 0.0
29 07:55 N 14 G 26 10.00 Overcast OVC010 44.6 42.8 93% 39 30.22 0.0
29 07:35 N 16 G 24 10.00 Overcast OVC010 44.6 42.8 93% 38 30.22 0.0
29 07:15 N 17 G 28 10.00 Overcast OVC009 44.6 42.8 93% 38 30.22 0.0
29 06:55 N 17 G 26 10.00 Overcast OVC008 44.6 42.8 93% 38 30.21 0.0
29 06:35 N 16 G 28 10.00 Overcast OVC007 44.6 42.8 93% 38 30.21 0.0
Date Time (cdt) 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)