National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
William M Tuck Airport
Imperial (Metric)
Date Time (est) 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.
07 11:55 NW 10 10.00 Fair CLR 60.1 33.6 37% 30.02 0.0
07 11:35 NW 9 10.00 Fair CLR 59.2 33.3 38% 30.03 0.0
07 11:15 NW 7 10.00 Fair CLR 58.6 33.4 39% 30.04 0.0
07 10:55 N 8 10.00 Fair CLR 57.6 33.8 41% 30.04 0.0
07 10:35 NW 8 G 18 10.00 Fair CLR 57 34 42% 30.04 0.0
07 10:15 NW 10 10.00 Fair CLR 56.1 33.4 42% 30.05 0.0
07 09:55 NW 10 G 16 10.00 Fair CLR 55.6 34.2 45% 30.05 0.0
07 09:35 NW 12 10.00 Fair CLR 55 34.7 46% 30.05 0.0
07 09:15 NW 8 G 17 10.00 Fair CLR 54 34.9 49% 30.05 0.0
07 08:55 NW 8 10.00 Fair CLR 52.9 35.2 51% 30.05 0.0
07 08:35 NW 6 10.00 Fair CLR 52.2 35.4 53% 30.05 0.0
07 08:15 NW 6 10.00 Fair CLR 51.3 36.3 57% 30.05 0.0
07 07:55 NW 9 10.00 Fair CLR 50 36.5 60% 47 30.04 0.0
07 07:35 W 5 10.00 Partly Cloudy SCT075 48 36.1 64% 47 30.04 0.0
07 07:15 NW 7 10.00 Mostly Cloudy BKN075 48.7 36.7 63% 46 30.03 0.0
07 06:55 NW 8 10.00 Overcast OVC075 49.5 37.4 55.6 48.7 63% 47 30.01 0.0
07 06:35 NW 7 10.00 Overcast OVC075 50.4 38.3 63% 30.01 0.0
07 06:15 NW 7 10.00 Overcast OVC075 50.9 39.7 66% 30 0.0
07 05:55 NW 7 10.00 Overcast OVC075 51.1 41.4 70% 29.99 0.0
07 05:35 W 7 10.00 Overcast OVC075 50.9 42.3 72% 29.99 0.0
07 05:15 NW 6 10.00 Mostly Cloudy BKN075 50.7 42.3 73% 29.98 0.0
07 04:55 W 6 10.00 Fair CLR 50.2 42.8 76% 29.96 0.0
07 04:35 NW 6 10.00 Fair CLR 50.9 43.3 75% 29.96 0.0
07 04:15 NW 7 10.00 Fair CLR 51.1 43.7 76% 29.95 0.0
07 03:55 NW 7 10.00 Fair CLR 52.2 44.6 76% 29.95 0.0
07 03:35 NW 7 10.00 Fair CLR 53.1 45 74% 29.94 0.0
07 03:15 NW 5 10.00 Fair CLR 53.1 45 74% 29.93 0.0
07 02:55 NW 6 10.00 Fair CLR 54.7 45.5 71% 29.93 0.0
07 02:35 NW 6 10.00 Fair CLR 55 45.5 70% 29.93 0.0
07 02:15 NW 7 10.00 Fair CLR 54 46.4 76% 29.92 0.0
07 01:55 Calm 10.00 Fair CLR 50.5 44.6 80% 29.92 0.0
07 01:35 NW 7 10.00 Fair CLR 55 46.4 73% 29.92 0.0
07 01:15 NW 7 10.00 Fair CLR 55.4 46.4 72% 29.92 0.0
07 00:55 NW 6 10.00 Fair CLR 55 46.9 55.8 47.7 74% 29.92 0.0
07 00:35 NW 6 10.00 Fair CLR 54.1 48 80% 29.92 0.0
07 00:15 NW 7 10.00 Fair CLR 52.9 51.1 94% 29.92 0.0
06 23:55 NW 7 10.00 Fair CLR 48.7 47.5 95% 46 29.92 0.0
06 23:35 Calm 0.75 Overcast OVC002 48.4 47.3 96% 29.92 0.0
06 23:15 Calm 1.00 Mostly Cloudy BKN002 47.7 46.4 95% 29.92 0.0
06 22:55 Calm 0.50 Sky Obscured VV005 48.2 47.1 96% 29.92 0.0
06 22:35 Calm 1.00 Partly Cloudy SCT003 49.6 48.4 95% 29.92 0.0
06 22:15 Calm 1.25 Partly Cloudy SCT002 49.6 48.4 95% 29.92 0.0
06 21:55 Calm 0.50 Mostly Cloudy BKN002 50.7 49.3 95% 29.91 0.0
06 21:35 Calm 2.50 Fair CLR 51.1 50 96% 29.91 0.0
06 21:15 Calm 1.25 Sky Obscured VV007 51.1 50 96% 29.9 0.0
06 20:55 Calm 0.75 Sky Obscured VV005 52 50.9 96% 29.91 0.0
06 20:35 Calm 1.75 Partly Cloudy SCT002 51.4 50.2 95% 29.91 0.0
06 20:15 Calm 0.50 Mostly Cloudy BKN002 52.9 51.4 95% 29.9 0.0
06 19:55 Calm 10.00 Fair CLR 53.1 51.8 96% 29.9 0.0
06 19:35 Calm 2.50 Fair CLR 53.4 52 95% 29.89 0.0
06 19:15 Calm 7.00 Fair CLR 54 52.7 96% 29.9 0.0
06 18:55 Calm 5.00 Fair CLR 54.9 53.2 68 54.1 94% 29.89 0.0
06 18:35 Calm 10.00 Fair CLR 54.5 52.9 94% 29.89 0.0
06 18:15 Calm 10.00 Fair CLR 56.3 54.3 93% 29.88 0.0
06 17:55 Calm 10.00 Fair CLR 57.6 55.4 93% 29.88 0.0
06 17:35 Calm 10.00 Fair CLR 59 55.2 87% 29.87 0.0
06 17:15 Calm 10.00 Fair CLR 60.1 55.4 85% 29.87 0.0
06 16:55 Calm 10.00 Fair CLR 64 56.5 77% 29.87 0.0
06 16:35 Calm 10.00 Fair CLR 66.9 52.5 60% 29.86 0.0
06 16:15 Calm 10.00 Fair CLR 67.5 52.7 59% 29.86 0.0
06 15:55 W 6 10.00 Fair CLR 67.5 53.8 62% 29.86 0.0
06 15:35 NW 3 10.00 Fair CLR 68 54.5 62% 29.86 0.0
06 15:15 Calm 10.00 Partly Cloudy SCT110 67.6 55 64% 29.86 0.0
06 14:55 Calm 10.00 Mostly Cloudy BKN120 67.1 55 65% 29.86 0.0
06 14:35 Calm 10.00 Mostly Cloudy SCT060 BKN120 66.6 56.3 70% 29.86 0.0
06 14:15 Calm 10.00 Overcast SCT060 BKN070 OVC090 64.2 56.5 76% 29.86 0.0
06 13:55 Calm 10.00 Overcast SCT060 BKN070 OVC090 63.7 57.7 81% 29.87 0.0
06 13:35 Calm 10.00 Overcast SCT060 OVC070 63.5 57.7 82% 29.87 0.0
06 13:15 Calm 10.00 Overcast BKN070 OVC080 63.7 54.9 73% 29.89 0.0
06 12:55 Calm 10.00 Overcast SCT055 SCT070 OVC090 63.9 55.8 67.1 61.3 75% 29.89 0.0 0.01 0.09
06 12:35 W 3 10.00 Overcast SCT046 SCT055 OVC100 64.4 54.7 71% 29.9 0.0
06 12:15 Calm 10.00 Overcast SCT036 SCT049 OVC100 64.8 57 76% 29.9 0.0
06 11:55 Calm 10.00 Overcast OVC110 64.2 55.8 74% 29.91 0.0
06 11:35 NW 3 10.00 Overcast SCT030 SCT045 OVC120 64.6 56.3 75% 29.91 0.0
06 11:15 W 5 10.00 Overcast SCT029 BKN080 OVC110 63.5 58.6 84% 29.93 0.0
06 10:55 NW 3 10.00 Overcast SCT046 BKN090 OVC110 61.5 58.1 89% 29.93 0.0 0.08
06 10:35 Calm 10.00 Overcast SCT048 BKN065 OVC090 61.7 57 85% 29.94 0.0 0.08
06 10:15 SW 6 5.00 Overcast SCT044 OVC060 61.9 56.8 84% 29.97 0.0 0.05
06 09:55 W 9 10.00 Overcast OVC060 64.4 57 77% 29.93 0.0
06 09:35 W 3 10.00 Overcast OVC060 65.5 59.9 82% 29.91 0.0
06 09:15 NW 5 10.00 Overcast OVC060 66.6 59 77% 29.92 0.0
06 08:55 NW 7 10.00 Overcast OVC060 66.7 60.3 80% 29.91 0.0
06 08:35 N 5 10.00 Mostly Cloudy BKN060 66 63.7 92% 29.91 0.0
06 08:15 Calm 10.00 Fair CLR 66 64.6 95% 29.93 0.0
06 07:55 Calm 2.50 Partly Cloudy SCT002 63.9 62.6 96% 29.92 0.0
06 07:35 Calm 0.15 Overcast OVC002 61.7 60.3 95% 29.91 0.0
06 07:15 Calm 0.25 Mostly Cloudy BKN002 62.8 61.3 95% 29.91 0.0
06 06:55 Calm 7.00 Partly Cloudy SCT070 SCT080 64 62.6 95% 29.91 0.0 0.01
06 06:35 Calm 7.00 Overcast SCT060 BKN070 OVC080 64.4 62.8 95% 29.9 0.0 0.01
06 06:15 Calm 10.00 Overcast SCT044 OVC050 64.8 62.6 93% 29.88 0.0 0.01
06 05:55 W 3 7.00 Overcast SCT009 SCT022 OVC045 65.1 63.3 94% 29.89 0.0 0.41
06 05:35 W 7 1.50 Overcast BKN005 OVC009 66.2 64.6 95% 29.89 0.0 0.32
06 05:15 Calm 3.00 Overcast BKN005 OVC009 68 66.6 95% 29.87 0.0 0.03
06 04:55 Calm 5.00 Overcast BKN005 BKN010 OVC013 68 66.4 95% 29.87 0.0 0.09
06 04:35 Calm 1.75 NULL NULL 68 66.4 95% 29.87 0.0 0.05
06 04:15 Calm 5.00 Overcast SCT007 BKN012 OVC021 68 66.4 95% 29.87 0.0 0.02
06 03:55 SW 3 10.00 Overcast BKN012 OVC019 68.2 66.7 95% 29.88 0.0 0.05 0.21
06 03:35 S 3 5.00 Overcast SCT006 SCT013 OVC021 68 66.6 95% 29.88 0.0 0.04
06 03:15 SW 3 10.00 Overcast SCT006 SCT015 OVC021 68.2 66.6 95% 29.88 0.0
06 02:55 SW 3 3.00 Overcast SCT008 BKN015 OVC021 68.2 66.6 95% 29.88 0.0 0.15
06 02:35 S 5 7.00 Overcast SCT006 BKN015 OVC021 68 66.6 95% 29.9 0.0 0.03
06 02:15 Calm 10.00 Overcast SCT008 BKN021 OVC027 68 66.4 95% 29.9 0.0
06 01:55 Calm 10.00 Overcast BKN006 BKN014 OVC021 68 66.2 94% 29.9 0.0 0.01
06 01:35 Calm 10.00 Overcast BKN006 OVC027 68.2 66.4 94% 29.91 0.0
06 01:15 Calm 10.00 Overcast BKN006 OVC027 68.2 66.4 94% 29.9 0.0
06 00:55 SW 5 10.00 Overcast BKN006 BKN033 OVC110 68.4 66.4 70 68.4 93% 29.9 0.0 0.04 0.04
06 00:35 SW 7 5.00 Overcast SCT006 BKN031 OVC050 68.5 65.7 91% 29.9 0.0 0.04
06 00:15 S 8 10.00 Overcast BKN031 BKN038 OVC043 68.9 65.1 88% 29.9 0.0
05 23:55 S 9 10.00 Overcast BKN033 OVC043 69.6 64.9 85% 29.9 0.0
05 23:35 S 7 10.00 Overcast BKN035 BKN042 OVC050 69.8 64.4 83% 29.9 0.0
05 23:15 S 7 10.00 Overcast BKN039 BKN049 OVC065 69.8 63.7 81% 29.9 0.0
05 22:55 S 5 10.00 Overcast SCT043 OVC050 69.4 63.5 82% 29.9 0.0
05 22:35 S 5 10.00 Overcast BKN050 BKN065 OVC075 69.8 63.7 81% 29.91 0.0
05 22:15 Calm 10.00 Overcast OVC075 69.3 63.9 83% 29.91 0.0
05 21:55 Calm 10.00 Overcast OVC075 69.3 63.9 83% 29.91 0.0
05 21:35 Calm 10.00 Overcast SCT050 SCT060 OVC075 68.9 64.2 85% 29.92 0.0
05 21:15 Calm 10.00 Overcast BKN060 OVC075 68.9 64.4 86% 29.92 0.0
05 20:55 Calm 10.00 Overcast OVC060 68.7 64.4 86% 29.92 0.0
05 20:35 Calm 10.00 Mostly Cloudy BKN060 BKN070 68.9 64.6 86% 29.92 0.0
05 20:15 Calm 10.00 Partly Cloudy SCT060 68.4 64.6 88% 29.92 0.0
05 19:55 Calm 10.00 Overcast OVC060 69.3 64.8 86% 29.92 0.0
05 19:35 Calm 10.00 Mostly Cloudy BKN060 68.9 64.6 86% 29.92 0.0
05 19:15 Calm 10.00 Mostly Cloudy BKN060 69.1 64.6 86% 29.92 0.0
05 18:55 SE 3 10.00 Partly Cloudy SCT110 70.2 64.8 77.7 70.2 83% 29.92 0.0
05 18:35 Calm 10.00 Partly Cloudy SCT110 70.9 64.8 81% 29.92 0.0
05 18:15 S 3 10.00 Partly Cloudy SCT080 71.6 64.8 79% 29.92 0.0
05 17:55 Calm 10.00 Partly Cloudy SCT060 SCT080 72.3 64.8 77% 29.91 0.0
05 17:35 SE 3 10.00 Mostly Cloudy BKN060 72.5 64.8 77% 29.91 0.0
05 17:15 S 5 10.00 Partly Cloudy SCT070 73.4 64.6 74% 29.91 0.0
05 16:55 S 5 10.00 Fair CLR 74.3 64.4 71% 29.9 0.0
05 16:35 S 6 10.00 Partly Cloudy SCT027 SCT050 74.8 64.4 70% 29.9 0.0
05 16:15 S 5 10.00 Partly Cloudy SCT027 SCT055 75.7 64.4 68% 78 29.89 0.0
05 15:55 S 8 10.00 Partly Cloudy SCT027 77.2 64.4 65% 79 29.9 0.0
05 15:35 S 7 10.00 Partly Cloudy SCT029 SCT055 76.5 64.4 66% 78 29.9 0.0
05 15:15 S 8 10.00 Mostly Cloudy BKN060 77.5 64.4 64% 79 29.89 0.0
05 14:55 S 7 10.00 Overcast SCT039 SCT049 OVC060 75.6 64.4 68% 77 29.9 0.0
05 14:35 S 6 G 16 10.00 Overcast SCT026 BKN039 OVC050 75.7 64.2 68% 78 29.9 0.0
05 14:15 S 9 10.00 Overcast OVC026 76.8 64.4 66% 79 29.9 0.0
05 13:55 SW 9 G 17 10.00 Overcast SCT024 BKN029 OVC045 75.2 64 68% 77 29.91 0.0
05 13:35 SW 13 G 16 10.00 Overcast OVC026 75.2 64 68% 77 29.91 0.0
05 13:15 S 6 10.00 Overcast OVC024 75.2 64.2 69% 77 29.91 0.0
05 12:55 S 8 10.00 Overcast OVC024 74.3 63.7 76.3 66.2 70% 29.92 0.0
05 12:35 S 6 10.00 Overcast OVC024 74.3 63.9 70% 29.93 0.0
05 12:15 S 8 10.00 Overcast SCT020 BKN026 OVC042 74.8 64 69% 29.94 0.0
05 11:55 S 7 10.00 Overcast BKN018 BKN023 OVC042 73.9 64.8 73% 29.95 0.0
05 11:35 S 8 10.00 Overcast BKN018 BKN027 OVC038 72 64.9 79% 29.96 0.0
05 11:15 S 9 7.00 Overcast BKN016 BKN025 OVC038 71.4 64.8 80% 29.97 0.0
05 10:55 S 6 10.00 Overcast OVC016 71.6 64.9 80% 29.98 0.0
05 10:35 S 7 10.00 Overcast OVC016 71.2 64.8 80% 29.98 0.0
05 10:15 S 7 10.00 Overcast BKN014 OVC020 71.2 64.9 81% 29.99 0.0
05 09:55 S 6 10.00 Overcast BKN014 OVC036 70.9 65.3 83% 29.98 0.0
05 09:35 S 3 10.00 Overcast OVC012 70.5 65.3 84% 29.99 0.0
05 09:15 S 9 10.00 Overcast OVC012 70.2 65.3 85% 29.99 0.0
05 08:55 S 7 10.00 Overcast BKN010 BKN015 OVC048 70.2 65.8 86% 29.98 0.0
05 08:35 SE 3 10.00 Overcast SCT013 BKN018 OVC070 68.7 65.3 89% 29.98 0.0
05 08:15 SE 5 10.00 Overcast BKN011 BKN020 OVC070 68 65.5 92% 29.98 0.0
05 07:55 Calm 10.00 Overcast OVC014 67.3 65.3 93% 29.99 0.0
05 07:35 Calm 10.00 Overcast OVC014 66.7 64.9 94% 29.98 0.0
05 07:15 Calm 10.00 Overcast OVC012 66.4 64.6 94% 29.98 0.0
05 06:55 S 3 10.00 Overcast BKN016 BKN020 OVC080 66.2 64.6 67.1 65.8 95% 29.97 0.0 0.01
05 06:35 Calm 10.00 Overcast BKN012 SCT017 OVC080 66.4 64.6 94% 29.96 0.0
05 06:15 Calm 10.00 Overcast OVC010 66.2 64.4 94% 29.96 0.0
05 05:55 Calm 10.00 Overcast OVC010 66.4 64.4 93% 29.96 0.0
05 05:35 Calm 10.00 Overcast OVC010 66.4 64.4 93% 29.96 0.0
05 05:15 S 5 10.00 Overcast BKN010 OVC014 66.6 64.2 92% 29.96 0.0
05 04:55 S 3 10.00 Overcast OVC010 66.7 64.4 92% 29.96 0.0
05 04:35 S 5 10.00 Overcast OVC010 67.1 64.4 91% 29.96 0.0
05 04:15 SW 7 10.00 Overcast OVC010 66.9 64.6 92% 29.96 0.0
05 03:55 S 5 10.00 Overcast BKN010 BKN021 OVC120 66.6 64.4 93% 29.96 0.0 0.01
05 03:35 S 5 10.00 Mostly Cloudy SCT009 SCT065 BKN120 66.6 64.4 93% 29.94 0.0
05 03:15 S 5 10.00 Mostly Cloudy SCT011 SCT085 BKN120 66.7 64.4 92% 29.96 0.0
05 02:55 S 6 10.00 Overcast OVC011 66.7 64.4 92% 29.97 0.0 0.01
05 02:35 S 5 10.00 Overcast OVC011 66.7 64.4 92% 29.99 0.0
05 02:15 S 3 10.00 Overcast BKN013 BKN042 OVC120 66.6 64 92% 29.99 0.0
05 01:55 S 6 10.00 Overcast BKN013 BKN048 OVC120 66.6 64 92% 29.99 0.0
05 01:35 SE 3 10.00 Overcast SCT011 BKN080 OVC110 67.1 63.7 89% 29.99 0.0
05 01:15 S 5 10.00 Overcast BKN013 BKN075 OVC110 67.1 63.7 89% 29.99 0.0
05 00:55 S 3 10.00 Overcast BKN013 OVC110 66.2 63.3 66.4 62.1 91% 30 0.0
05 00:35 Calm 10.00 Overcast SCT013 OVC110 66.2 63.1 90% 30 0.0
05 00:15 S 3 10.00 Overcast OVC110 65.3 63.3 93% 30 0.0
04 23:55 SE 3 10.00 Mostly Cloudy BKN110 63.1 61.5 94% 30 0.0
04 23:35 Calm 10.00 Overcast OVC110 63.5 61.7 94% 30.01 0.0
04 23:15 Calm 10.00 Overcast OVC110 63.5 61.3 93% 30.02 0.0
04 22:55 Calm 10.00 Overcast OVC110 63.7 61.2 92% 30.02 0.0
04 22:35 Calm 10.00 Overcast OVC120 64.4 62.4 93% 30.01 0.0
04 22:15 Calm 10.00 Mostly Cloudy BKN120 62.2 60.6 94% 30.01 0.0
04 21:55 Calm 10.00 Partly Cloudy SCT032 SCT110 63.1 61 93% 30.02 0.0
04 21:35 Calm 10.00 Mostly Cloudy BKN032 63.7 61.2 92% 30.02 0.0
04 21:15 Calm 10.00 Fair CLR 64.4 61.9 92% 30.02 0.0
04 20:55 Calm 10.00 Fair CLR 64.6 61.7 90% 30.02 0.0
04 20:35 Calm 10.00 Fair CLR 64.4 61.7 91% 30.02 0.0
04 20:15 SE 3 10.00 Fair CLR 64.2 61.9 92% 30.02 0.0
04 19:55 Calm 10.00 Fair CLR 62.8 60.6 93% 30.03 0.0
04 19:35 Calm 10.00 Fair CLR 63.1 60.8 92% 30.03 0.0
04 19:15 Calm 10.00 Fair CLR 63.7 60.4 89% 30.03 0.0
04 18:55 Calm 10.00 Partly Cloudy SCT032 65.1 61.7 76.3 63.5 89% 30.04 0.0
04 18:35 Calm 10.00 Partly Cloudy SCT032 SCT041 63.7 60.8 90% 30.04 0.0
04 18:15 Calm 10.00 Partly Cloudy SCT038 SCT050 65.1 61 87% 30.04 0.0
04 17:55 Calm 10.00 Fair CLR 66.9 61 81% 30.04 0.0
04 17:35 Calm 10.00 Fair CLR 68 61.5 80% 30.04 0.0
04 17:15 Calm 10.00 Fair CLR 69.8 61.5 75% 30.04 0.0
04 16:55 Calm 10.00 Fair CLR 71.4 61.3 71% 30.05 0.0
04 16:35 S 3 10.00 Partly Cloudy SCT037 SCT045 73.8 61.2 65% 30.05 0.0
04 16:15 S 3 10.00 Overcast OVC042 73.9 61.3 65% 30.05 0.0
04 15:55 S 6 10.00 Mostly Cloudy BKN042 73 61 66% 30.05 0.0
04 15:35 S 5 10.00 Mostly Cloudy BKN042 73.4 60.8 65% 30.05 0.0
04 15:15 SE 6 10.00 Mostly Cloudy SCT031 BKN040 73.8 60.8 64% 30.06 0.0
04 14:55 S 8 10.00 Overcast OVC029 73.6 60.1 63% 30.06 0.0
04 14:35 S 7 10.00 Overcast OVC029 74.8 60.1 60% 30.07 0.0
04 14:15 S 6 10.00 Overcast BKN029 OVC035 75.2 59.9 59% 78 30.07 0.0
04 13:55 Calm 10.00 Mostly Cloudy BKN027 71.8 61 69% 30.08 0.0
04 13:35 Calm 10.00 Mostly Cloudy SCT018 BKN025 71.8 61 69% 30.09 0.0
04 13:15 SE 3 10.00 Overcast SCT014 OVC021 68.2 61.7 80% 30.1 0.0
04 12:55 Calm 10.00 Overcast SCT011 OVC016 66 61.5 66 44.8 86% 30.12 0.0
04 12:35 Calm 10.00 Overcast OVC009 65.1 61.5 88% 30.12 0.0
Date Time (est) 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)