Weather observations for the past three days for
Richard I. Bong Airport
Imperial (Metric)
Date Time (cst) 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.
25 21:15 SW 7 10.00 Fair CLR 10.4 0.9 65% 1 30.2 0.0
25 20:55 W 8 10.00 Fair CLR 11.3 1.4 64% 1 30.19 0.0
25 20:35 W 8 G 20 10.00 Fair CLR 11.8 1.8 64% 1 30.18 0.0
25 20:15 W 13 G 24 10.00 Fair CLR 12.4 2.1 63% -1 30.17 0.0
25 19:55 W 14 G 23 10.00 Fair CLR 12.9 2.3 62% -1 30.16 0.0
25 19:35 W 21 G 31 10.00 Fair and Breezy CLR 13.5 3 63% -4 30.14 0.0
25 19:15 W 22 G 28 10.00 Partly Cloudy and Breezy SCT028 13.8 2.8 61% -3 30.14 0.0
25 18:55 W 20 G 30 10.00 Mostly Cloudy BKN028 14.4 3.2 61% -2 30.14 0.0
25 18:35 NW 17 G 25 10.00 Partly Cloudy SCT032 15.8 4.6 61% 1 30.12 0.0
25 18:15 W 18 G 31 10.00 Overcast OVC032 17.6 5.2 58% 3 30.1 0.0
25 17:55 W 21 G 28 10.00 Overcast and Breezy OVC032 19.9 7.3 28.8 19.9 58% 5 30.08 0.0
25 17:35 W 16 G 23 10.00 Overcast OVC032 21.2 9.1 59% 8 30.07 0.0
25 17:15 W 15 G 24 10.00 Overcast OVC032 22.1 10.4 61% 10 30.04 0.0
25 16:55 W 13 G 23 10.00 Overcast OVC032 23.4 11.5 60% 12 30.02 0.0
25 16:35 W 14 G 24 10.00 Overcast OVC032 24.1 12.4 61% 13 30.01 0.0
25 16:15 W 15 G 21 10.00 Overcast OVC034 25.7 13.5 60% 14 29.99 0.0
25 15:55 W 12 G 20 10.00 Overcast OVC034 26.2 13.1 57% 17 29.99 0.0
25 15:35 W 17 10.00 Overcast OVC034 26.6 14 59% 15 29.97 0.0
25 15:15 W 15 G 22 10.00 Overcast OVC034 27 13.8 58% 16 29.96 0.0
25 14:55 W 15 10.00 Overcast OVC032 27.1 14.4 59% 16 29.95 0.0
25 14:35 W 18 G 25 10.00 Overcast OVC032 27.5 15.3 60% 15 29.94 0.0
25 14:15 W 12 G 23 10.00 Overcast OVC032 27.5 15.4 60% 18 29.92 0.0
25 13:55 W 12 10.00 Overcast OVC032 28.8 16.2 59% 20 29.91 0.0
25 13:35 W 13 G 17 10.00 Overcast OVC028 27.5 16.5 63% 18 29.9 0.0
25 13:15 W 17 G 23 10.00 Overcast OVC028 27.9 16.5 62% 16 29.88 0.0
25 12:55 W 14 G 18 10.00 Overcast OVC026 27.9 17.8 66% 18 29.87 0.0
25 12:35 W 15 G 21 10.00 Overcast BKN026 OVC033 27.1 17.8 68% 16 29.87 0.0
25 12:15 W 14 G 21 10.00 Overcast SCT019 BKN028 OVC035 27 17.6 68% 16 29.86 0.0
25 11:55 W 23 G 29 5.00 Overcast with Haze and Breezy SCT013 BKN021 OVC028 27.5 19.9 29.5 24.4 73% 14 29.85 0.0
25 11:35 W 17 G 28 1.00 Light Snow BKN015 OVC020 26.6 21.4 81% 15 29.84 0.0
25 11:15 SW 16 7.00 Light Snow SCT021 BKN029 OVC033 28.9 20.3 70% 18 29.83 0.0
25 10:55 W 15 G 24 10.00 Overcast SCT024 OVC032 29.5 19.4 66% 19 29.82 0.0
25 10:35 W 14 G 23 10.00 Overcast BKN025 OVC030 28.4 20.1 71% 18 29.81 0.0
25 10:15 W 12 G 18 10.00 Overcast OVC027 28.2 19.6 70% 19 29.8 0.0
25 09:55 W 14 G 20 10.00 Overcast OVC027 28 19.6 71% 18 29.79 0.0
25 09:35 W 13 G 21 10.00 Overcast OVC027 27.9 19.8 72% 18 29.79 0.0
25 09:15 SW 10 G 16 10.00 Overcast OVC025 27.3 20.1 74% 19 29.78 0.0
25 08:55 SW 10 10.00 Overcast OVC025 26.6 20.3 77% 18 29.77 0.0
25 08:35 SW 8 10.00 Overcast OVC023 26.2 20.3 78% 19 29.77 0.0
25 08:15 SW 9 G 16 10.00 Overcast OVC023 25.9 20.3 79% 17 29.76 0.0
25 07:55 SW 8 10.00 Overcast OVC023 25.5 20.3 81% 18 29.76 0.0
25 07:35 SW 7 10.00 Overcast OVC023 25.3 20.3 81% 18 29.76 0.0
25 07:15 SW 8 10.00 Overcast OVC025 25.3 20.3 81% 17 29.76 0.0
25 06:55 SW 7 10.00 Overcast BKN025 OVC100 25 20.3 82% 18 29.76 0.0
25 06:35 SW 8 10.00 Overcast SCT070 OVC100 25 20.3 82% 17 29.75 0.0
25 06:15 SW 7 10.00 Overcast OVC100 25.3 20.5 82% 18 29.75 0.0
25 05:55 SW 9 10.00 Overcast OVC100 25 20.3 25 19.2 82% 16 29.75 0.0
25 05:35 SW 7 10.00 Overcast BKN023 OVC100 24.8 20.3 83% 18 29.75 0.0
25 05:15 SW 8 10.00 Overcast OVC023 24.3 20.1 84% 16 29.76 0.0
25 04:55 SW 5 10.00 Overcast OVC023 22.8 19.4 87% 17 29.76 0.0
25 04:35 SW 3 10.00 Mostly Cloudy BKN023 BKN048 BKN075 20.8 18 89% 29.77 0.0
25 04:15 SW 6 10.00 Mostly Cloudy SCT021 BKN045 21.7 19 89% 15 29.77 0.0
25 03:55 W 5 10.00 Overcast OVC043 21.2 18.3 89% 16 29.77 0.0
25 03:35 SW 5 10.00 Overcast OVC041 22.5 18.9 86% 17 29.77 0.0
25 03:15 SW 6 10.00 Overcast OVC041 23.4 19.8 86% 17 29.78 0.0
25 02:55 SW 6 10.00 Overcast OVC041 23 19.4 86% 17 29.79 0.0
25 02:35 SW 8 10.00 Overcast OVC039 22.8 19.2 86% 14 29.79 0.0
25 02:15 SW 7 10.00 Overcast OVC039 22.5 18.9 86% 15 29.79 0.0
25 01:55 SW 8 10.00 Overcast OVC039 22.1 18.3 85% 14 29.79 0.0
25 01:35 SW 10 10.00 Overcast OVC039 21.6 17.6 85% 11 29.8 0.0
25 01:15 SW 9 10.00 Overcast OVC039 21.2 17.2 85% 12 29.8 0.0
25 00:55 SW 7 10.00 Overcast OVC039 20.7 16.5 84% 13 29.81 0.0
25 00:35 SW 6 10.00 Overcast OVC041 20.1 15.8 83% 13 29.81 0.0
25 00:15 SW 5 10.00 Overcast OVC041 19.8 15.6 84% 14 29.81 0.0
24 23:55 SW 7 10.00 Overcast OVC041 19.2 15.4 19.2 15.6 85% 11 29.81 0.0
24 23:35 SW 6 10.00 Overcast OVC041 18.5 14.9 86% 11 29.81 0.0
24 23:15 SW 7 10.00 Overcast SCT021 OVC041 18.5 14.9 86% 10 29.81 0.0
24 22:55 SW 7 10.00 Overcast OVC041 18.3 14.7 86% 10 29.81 0.0
24 22:35 SW 6 10.00 Overcast SCT022 BKN032 OVC060 18.3 14.5 85% 11 29.8 0.0
24 22:15 SW 6 7.00 Light Snow BKN016 OVC034 18.9 14.7 84% 12 29.81 0.0
24 21:55 SW 5 10.00 Overcast OVC014 18 13.8 84% 12 29.81 0.0
24 21:35 Calm 10.00 Overcast OVC014 17.4 13.1 83% 29.81 0.0
24 21:15 SW 5 10.00 Overcast OVC016 17.2 13.1 84% 11 29.81 0.0
24 20:55 W 5 10.00 Overcast OVC016 17.4 13.1 83% 11 29.82 0.0
24 20:35 SW 6 10.00 Overcast OVC018 16.9 12.9 84% 9 29.82 0.0
24 20:15 SW 5 7.00 Light Snow BKN022 BKN027 OVC034 16.3 12.9 86% 10 29.82 0.0
24 19:55 Calm 4.00 Light Snow BKN028 OVC035 15.8 12.6 87% 29.83 0.0
24 19:35 SW 5 3.00 Light Snow SCT016 SCT022 OVC028 16.7 13.3 86% 10 29.83 0.0
24 19:15 SW 5 1.75 Light Snow OVC016 16.7 13.3 86% 10 29.83 0.0
24 18:55 SW 5 1.50 Light Snow OVC019 16.7 13.1 86% 10 29.84 0.0
24 18:35 S 3 2.00 Light Snow SCT015 OVC021 16.9 13.1 85% 29.85 0.0
24 18:15 S 5 4.00 Light Snow BKN029 OVC038 17.1 12.9 84% 11 29.85 0.0
24 17:55 SW 6 3.00 Light Snow SCT013 BKN033 OVC038 16.7 13.1 19.2 9.5 86% 9 29.85 0.0
24 17:35 S 3 1.75 Unknown Precip OVC013 16.7 13.1 86% 29.85 0.0
24 17:15 S 8 1.25 Light Snow BKN013 OVC020 17.2 11.7 79% 8 29.84 0.0
24 16:55 S 10 7.00 Overcast BKN028 BKN039 OVC060 18.3 7.5 63% 7 29.84 0.0
24 16:35 S 13 G 16 10.00 Overcast SCT043 BKN060 OVC070 18.5 6.1 58% 6 29.83 0.0
24 16:15 S 10 G 17 10.00 Overcast SCT048 BKN070 OVC085 18.9 5.9 57% 8 29.83 0.0
24 15:55 S 9 G 20 10.00 Overcast BKN070 OVC080 19 6.3 57% 9 29.84 0.0
24 15:35 S 9 10.00 Overcast SCT034 BKN065 OVC080 19 5.9 56% 9 29.84 0.0
24 15:15 S 8 10.00 Overcast SCT032 BKN048 OVC060 18.7 5.9 57% 9 29.84 0.0
24 14:55 Calm 10.00 Overcast SCT050 BKN060 OVC100 16.3 4.6 60% 29.85 0.0
24 14:35 Calm 10.00 Mostly Cloudy SCT070 BKN100 15.6 3.7 59% 29.85 0.0
24 14:15 NE 5 10.00 Overcast OVC100 14.7 2.8 59% 8 29.86 0.0
24 13:55 NE 3 10.00 Partly Cloudy SCT110 13.5 1.4 58% 29.87 0.0
24 13:35 N 3 10.00 Partly Cloudy SCT040 12.4 -0.4 56% 29.89 0.0
24 13:15 Calm 10.00 Mostly Cloudy SCT030 BKN040 11.1 -2.4 54% 29.9 0.0
24 12:55 Calm 10.00 Overcast BKN030 OVC038 10.6 -2.9 54% 29.92 0.0
24 12:35 N 3 10.00 Overcast OVC032 10.2 -3.5 54% 29.93 0.0
24 12:15 N 5 10.00 Overcast OVC028 9.7 -3.6 54% 2 29.94 0.0
24 11:55 Calm 10.00 Overcast OVC028 10.4 -3.8 10.4 -15.3 52% 29.95 0.0
24 11:35 Calm 10.00 Overcast OVC030 8.2 -5.3 54% 29.97 0.0
24 11:15 W 3 10.00 Overcast OVC030 8.1 -5.1 55% 29.99 0.0
24 10:55 Calm 10.00 Overcast OVC030 5.4 -6.7 57% 29.99 0.0
24 10:35 Calm 10.00 Mostly Cloudy BKN030 3.2 -7.6 60% 30.01 0.0
24 10:15 Calm 10.00 Fair CLR 2.1 -8.3 61% 30.01 0.0
24 09:55 Calm 10.00 Fair CLR 0.7 -8.3 65% 30.02 0.0
24 09:35 Calm 10.00 Fair CLR -0.4 -8.5 68% 30.03 0.0
24 09:15 Calm 10.00 Fair CLR -2.6 -9.6 71% 30.04 0.0
24 08:55 Calm 10.00 Fair CLR -4.2 -10.3 74% 30.04 0.0
24 08:35 Calm 10.00 Fair CLR -8.1 -13.5 77% 30.04 0.0
24 08:15 Calm 10.00 Fair CLR -12.1 -17.1 78% 30.04 0.0
24 07:55 Calm 10.00 Fair CLR -14.8 -20.2 76% 30.05 0.0
24 07:35 Calm 10.00 Fair CLR -14.8 -20.2 76% 30.05 0.0
24 07:15 Calm 10.00 Fair CLR -15.3 -20.4 77% 30.07 0.0
24 06:55 Calm 10.00 Fair CLR -15 -20.4 76% 30.08 0.0
24 06:35 Calm 10.00 Fair CLR -14.4 -19.8 76% 30.08 0.0
24 06:15 Calm 10.00 Fair CLR -14.4 -19.7 77% 30.1 0.0
24 05:55 Calm 10.00 Fair CLR -15.2 -20.7 -7.6 -15.2 75% 30.11 0.0
24 05:35 S 3 10.00 Fair CLR -14.1 -19.5 76% 30.11 0.0
24 05:15 Calm 10.00 Fair CLR -13.5 -18.9 76% 30.12 0.0
24 04:55 Calm 10.00 Fair CLR -12.1 -17.5 76% 30.13 0.0
24 04:35 SW 3 10.00 Fair CLR -13.7 -19.1 76% 30.14 0.0
24 04:15 Calm 10.00 Fair CLR -11.9 -17.9 74% 30.15 0.0
24 03:55 SW 5 10.00 Fair CLR -10.5 -16.2 75% -21 30.16 0.0
24 03:35 SW 3 10.00 Fair CLR -12.3 -18.2 74% 30.15 0.0
24 03:15 S 3 10.00 Fair CLR -10.7 -16.4 75% 30.16 0.0
24 02:55 SW 3 10.00 Fair CLR -10.3 -15.9 76% 30.18 0.0
24 02:35 SW 3 10.00 Fair CLR -8.5 -15 73% 30.19 0.0
24 02:15 SW 6 10.00 Fair CLR -8.7 -15.3 72% -21 30.19 0.0
24 01:55 SW 6 10.00 Fair CLR -7.6 -14.3 72% -19 30.2 0.0
24 01:35 SW 5 10.00 Fair CLR -12.1 -17.5 76% -23 30.2 0.0
24 01:15 S 5 10.00 Fair CLR -12.6 -18.2 75% -23 30.19 0.0
24 00:55 Calm 10.00 Fair CLR -11.2 -17 75% 30.21 0.0
24 00:35 S 5 10.00 Mostly Cloudy BKN050 -11.4 -17.1 75% -22 30.21 0.0
24 00:15 S 6 10.00 Mostly Cloudy BKN050 -8.7 -13.4 79% -21 30.23 0.0
23 23:55 SW 3 10.00 Fair CLR -13 -17.9 1 -13.5 78% 30.24 0.0
23 23:30 S 3 10.00 Fair CLR -12.8 -18 77% 30.24 0.0
23 23:15 Calm 10.00 Fair CLR -11.9 -17.3 76% 30.23 0.0
23 22:55 Calm 10.00 Fair CLR -9 -14.3 77% 30.23 0.0
23 22:35 SW 5 10.00 Fair CLR -9.4 -14.4 78% -20 30.24 0.0
23 22:15 Calm 10.00 Fair CLR -10.3 -15.3 78% 30.24 0.0
23 21:55 S 3 10.00 Fair CLR -10.1 -15.2 78% 30.25 0.0
23 21:35 S 5 10.00 Fair CLR -11.2 -16.1 78% -22 30.26 0.0
23 21:15 S 3 10.00 Fair CLR -10.3 -15.3 78% 30.26 0.0
23 20:55 S 5 10.00 Fair CLR -10.3 -15.3 78% -21 30.27 0.0
23 20:35 W 3 10.00 Fair CLR -7.2 -12.8 76% 30.28 0.0
23 20:15 SW 3 10.00 Fair CLR -8.7 -13.2 80% 30.28 0.0
23 19:55 Calm 10.00 Fair CLR -8.5 -13.5 78% 30.29 0.0
23 19:35 Calm 10.00 Fair CLR -7.1 -12.8 75% 30.3 0.0
23 19:15 Calm 10.00 Fair CLR -6.7 -12.3 76% 30.3 0.0
23 18:55 Calm 10.00 Fair CLR -3.6 -11.9 67% 30.3 0.0
23 18:35 Calm 10.00 Fair CLR -0.4 -9.8 64% 30.31 0.0
23 18:15 W 5 10.00 Fair CLR 0.5 -9.4 62% -8 30.32 0.0
23 17:55 W 5 10.00 Fair CLR 1 -8.9 8.4 1 63% -8 30.32 0.0
23 17:35 W 6 10.00 Fair CLR 2.3 -8.7 60% -8 30.32 0.0
23 17:15 W 3 10.00 Fair CLR 2.3 -9.2 58% 30.32 0.0
23 16:55 W 6 10.00 Fair CLR 3.4 -8.7 57% -7 30.33 0.0
23 16:35 W 3 10.00 Fair CLR 4.8 -8.3 54% 30.32 0.0
23 16:15 W 5 10.00 Fair CLR 6.1 -8.5 51% -2 30.33 0.0
23 15:55 W 8 10.00 Partly Cloudy SCT110 5.9 -8 52% -6 30.33 0.0
23 15:35 W 8 10.00 Fair CLR 7.5 -7.4 50% -4 30.32 0.0
23 15:15 NW 8 10.00 Fair CLR 7.9 -7.4 49% -4 30.32 0.0
23 14:55 W 10 10.00 Fair CLR 7.3 -7.8 49% -6 30.31 0.0
23 14:35 NW 9 10.00 Fair CLR 5.7 -8.3 52% -7 30.32 0.0
23 14:15 W 5 10.00 Fair CLR 7 -8.1 49% -1 30.32 0.0
23 13:55 W 6 10.00 Fair CLR 6.3 -8.7 50% -3 30.33 0.0
23 13:35 W 8 10.00 Partly Cloudy SCT120 5.5 -8.7 51% -6 30.34 0.0
23 13:15 W 9 10.00 Mostly Cloudy SCT028 BKN120 4.8 -8.9 53% -8 30.36 0.0
23 12:55 W 10 10.00 Fair CLR 4.3 -9.2 53% -10 30.36 0.0
23 12:35 W 7 10.00 Fair CLR 4.1 -9.4 53% -7 30.37 0.0
23 12:15 W 8 10.00 Partly Cloudy SCT100 3.7 -9.4 54% -9 30.37 0.0
23 11:55 NW 8 10.00 Overcast OVC110 2.7 -9.9 2.7 -7.1 55% -10 30.38 0.0
23 11:35 NW 7 10.00 Mostly Cloudy SCT090 BKN120 1.8 -10.5 56% -10 30.38 0.0
23 11:15 W 5 10.00 Partly Cloudy SCT090 SCT120 0.1 -11.2 58% -9 30.39 0.0
23 10:55 NW 5 10.00 Partly Cloudy SCT120 -0.9 -11.4 61% -10 30.39 0.0
23 10:35 W 7 10.00 Fair CLR -1.7 -11.2 63% -14 30.39 0.0
23 10:15 W 7 10.00 Partly Cloudy SCT120 -2.6 -11.4 65% -15 30.39 0.0
23 09:55 W 6 10.00 Partly Cloudy SCT120 -3.3 -11.6 67% -14 30.38 0.0
23 09:35 W 7 10.00 Partly Cloudy SCT095 -3.6 -11.7 68% -16 30.38 0.0
23 09:15 W 8 10.00 Fair CLR -4 -11.9 68% -18 30.37 0.0
23 08:55 W 7 10.00 Fair CLR -4.4 -12.1 69% -17 30.36 0.0
23 08:35 W 7 10.00 Fair CLR -6 -13 71% -19 30.36 0.0
23 08:15 W 3 10.00 Fair CLR -6.7 -13.4 72% 30.35 0.0
23 07:55 W 5 10.00 Fair CLR -6.9 -13.5 72% -17 30.34 0.0
23 07:35 W 6 10.00 Fair CLR -6.7 -13.2 73% -18 30.33 0.0
23 07:15 W 8 10.00 Fair CLR -6.9 -13.4 73% -21 30.33 0.0
23 06:55 W 9 10.00 Fair CLR -6.5 -13 73% -22 30.32 0.0
23 06:35 W 6 10.00 Fair CLR -6.7 -13 73% -18 30.32 0.0
23 06:15 W 7 10.00 Fair CLR -6.3 -12.6 74% -19 30.31 0.0
23 05:55 W 5 10.00 Fair CLR -6.3 -12.8 -0.8 -6.7 73% -16 30.31 0.0
23 05:35 W 5 10.00 Fair CLR -6 -12.1 74% -16 30.3 0.0
23 05:15 SW 5 10.00 Fair CLR -5.6 -11.4 76% -15 30.3 0.0
23 04:55 SW 3 10.00 Fair CLR -5.3 -11.2 75% 30.29 0.0
23 04:35 W 7 10.00 Fair CLR -6 -11.2 78% -19 30.29 0.0
23 04:15 W 5 10.00 Fair CLR -6 -11 78% -16 30.28 0.0
23 03:55 W 5 10.00 Fair CLR -5.6 -10.8 78% -15 30.27 0.0
23 03:35 W 3 10.00 Fair CLR -4.9 -10.3 77% 30.27 0.0
23 03:15 W 6 10.00 Fair CLR -6.5 -11.4 79% -18 30.26 0.0
23 02:55 Calm 10.00 Fair CLR -3.6 -9 77% 30.26 0.0
23 02:35 Calm 10.00 Fair CLR -3.3 -9.2 75% 30.26 0.0
23 02:15 NW 6 10.00 Fair CLR -3.3 -9.2 75% -14 30.25 0.0
23 01:55 NW 5 10.00 Fair CLR -3.5 -8.7 78% -13 30.25 0.0
23 01:35 NW 3 10.00 Fair CLR -3.6 -9.4 76% 30.25 0.0
23 01:15 NW 5 10.00 Fair CLR -1.7 -7.1 77% -11 30.24 0.0
23 00:55 NW 3 10.00 Fair CLR -2 -7.2 78% 30.24 0.0
23 00:35 NW 5 10.00 Fair CLR -2.2 -7.6 77% -11 30.23 0.0
23 00:15 NW 3 10.00 Fair CLR -1.3 -6.9 77% 30.23 0.0
22 23:55 NW 6 10.00 Fair CLR -0.6 -6.2 9.9 -0.6 77% -11 30.22 0.0
22 23:35 NW 6 10.00 Partly Cloudy SCT023 1.6 -5.3 73% -9 30.22 0.0
22 23:15 NW 7 10.00 Mostly Cloudy BKN026 1.9 -4.5 74% -10 30.21 0.0
22 22:55 NW 8 10.00 Mostly Cloudy BKN026 1.2 -5.4 73% -12 30.21 0.0
22 22:35 N 3 10.00 Partly Cloudy SCT026 2.5 -5.1 70% 30.21 0.0
22 22:10 NW 6 10.00 Fair CLR 3.4 -5.1 67% -7 30.2 0.0
22 21:55 N 6 10.00 Fair CLR 4.3 -4.4 67% -5 30.2 0.0
22 21:35 NW 7 10.00 Partly Cloudy SCT028 3.7 -4 70% -7 30.19 0.0
Date Time (cst) 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)