Weather observations for the past three days for
Platteville Municipal Airport
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.
19 10:15 NW 7 10.00 Fair CLR 67.6 41.5 39% 30.01 0.0
19 09:55 NW 8 10.00 Fair CLR 67.1 43 42% 30.02 0.0
19 09:35 N 9 10.00 Fair CLR 65.8 45 47% 30.02 0.0
19 09:15 NW 5 10.00 Fair CLR 64.8 47.3 53% 30.02 0.0
19 08:55 Calm 10.00 Fair CLR 63.5 49.1 60% 30.02 0.0
19 08:35 Calm 10.00 Fair CLR 61.9 52.7 72% 30.02 0.0
19 08:15 Calm 10.00 Fair CLR 60.1 52.3 76% 30.02 0.0
19 07:55 Calm 10.00 Fair CLR 58.8 53.8 83% 30.02 0.0
19 07:35 Calm 10.00 Fair CLR 57 55 93% 30.01 0.0
19 07:15 Calm 10.00 Fair CLR 56.3 55.6 97% 30.01 0.0
19 06:55 Calm 10.00 Fair CLR 55 55 57.2 52 100% 30 0.0
19 06:35 Calm 10.00 Fair CLR 0 0 0% 30 0.0
19 06:15 Calm 7.00 Fair CLR 0 0 0% 29.99 0.0
19 05:55 Calm 7.00 Fair CLR 52.9 52.9 100% 29.98 0.0
19 05:35 Calm 5.00 Fair CLR 52.2 52.2 100% 29.98 0.0
19 05:15 Calm 7.00 Fair CLR 52.3 52.3 100% 29.98 0.0
19 04:55 Calm 10.00 Fair CLR 52.7 52.7 100% 29.97 0.0
19 04:35 Calm 7.00 Fair CLR 54.1 54 99% 29.97 0.0
19 04:15 Calm 7.00 Fair CLR 54 53.8 99% 29.96 0.0
19 03:55 Calm 7.00 Fair CLR 54.7 52.3 92% 29.95 0.0
19 03:35 Calm 10.00 Fair CLR 54.7 52.9 94% 29.95 0.0
19 03:15 Calm 10.00 Fair CLR 54.3 53.2 96% 29.94 0.0
19 02:55 Calm 10.00 Fair CLR 55.9 52.3 88% 29.94 0.0
19 02:35 NW 5 10.00 Fair CLR 55.8 52.7 90% 29.93 0.0
19 02:15 W 6 10.00 Fair CLR 56.5 53.1 88% 29.92 0.0
19 01:55 W 6 10.00 Fair CLR 56.8 53.6 89% 29.92 0.0
19 01:35 W 6 10.00 Fair CLR 57.2 53.6 88% 29.91 0.0
19 01:15 W 6 10.00 Fair CLR 56.8 55.4 95% 29.91 0.0
19 00:55 Calm 10.00 Fair CLR 55.6 55.6 100% 29.91 0.0
19 00:35 W 6 10.00 Fair CLR 0 0 0% 29.91 0.0
19 00:15 W 7 10.00 Fair CLR 0 0 0% 29.91 0.0
18 23:55 Calm 10.00 Fair CLR 0 0 0% 29.91 0.0
18 23:35 Calm 10.00 Fair CLR 0 0 0% 29.9 0.0
18 23:15 Calm 10.00 Fair CLR 0 0 0% 29.9 0.0
18 22:35 Calm 10.00 Fair CLR 57.9 57.9 100% 29.89 0.0
18 22:15 Calm 10.00 Fair CLR 59 59 100% 29.89 0.0
18 21:55 Calm 7.00 Fair CLR 58.8 58.8 100% 29.88 0.0
18 21:15 S 6 10.00 Fair CLR 59.4 59.4 100% 29.87 0.0
18 20:55 Calm 7.00 Fair CLR 60.4 60.4 100% 29.87 0.0
18 20:15 Calm 10.00 Fair CLR 62.8 60.4 92% 29.86 0.0
18 19:55 Calm 10.00 Fair CLR 63.9 57.9 81% 29.86 0.0
18 19:35 Calm 10.00 Fair CLR 64.6 57.9 79% 29.86 0.0
18 19:15 SW 7 10.00 Partly Cloudy SCT080 SCT110 64.9 56.8 75% 29.85 0.0
18 18:55 SW 8 10.00 Overcast SCT030 BKN050 OVC080 63 60.4 73.6 62.6 92% 29.85 0.0
18 18:35 W 15 G 25 10.00 Overcast SCT037 BKN070 OVC100 67.6 50.7 55% 29.85 0.0
18 18:15 W 7 10.00 Mostly Cloudy SCT060 BKN100 69.8 48 46% 29.84 0.0
18 17:55 W 5 10.00 Partly Cloudy SCT050 SCT065 SCT090 70.7 47.8 44% 29.83 0.0
18 17:35 W 8 10.00 Mostly Cloudy BKN050 BKN065 72.1 47.8 42% 29.84 0.0
18 17:15 W 7 10.00 Mostly Cloudy SCT055 BKN075 BKN080 71.2 47.5 43% 29.84 0.0
18 16:55 W 9 10.00 Mostly Cloudy SCT049 SCT065 BKN075 73.6 48.7 42% 29.84 0.0
18 16:35 W 10 10.00 Overcast SCT047 BKN060 OVC065 71.6 48 43% 29.84 0.0
18 16:15 W 6 10.00 Mostly Cloudy SCT045 SCT060 BKN070 72.7 47.5 41% 29.83 0.0
18 15:55 W 7 10.00 Partly Cloudy SCT047 SCT050 SCT070 72.5 48.4 43% 29.83 0.0
18 15:35 NW 5 10.00 Mostly Cloudy SCT047 SCT050 BKN070 72.1 48.7 44% 29.83 0.0
18 15:15 W 9 10.00 Mostly Cloudy SCT045 BKN050 72.3 48.6 43% 29.83 0.0
18 14:55 NW 7 10.00 Mostly Cloudy BKN045 BKN050 71.1 47.3 43% 29.82 0.0
18 14:35 NW 8 7.00 Mostly Cloudy SCT045 BKN049 71.1 48.9 46% 29.82 0.0
18 14:15 NW 9 10.00 Mostly Cloudy BKN043 71.4 49.1 45% 29.82 0.0
18 13:55 NW 10 G 17 10.00 Partly Cloudy SCT039 70.5 48.4 46% 29.82 0.0
18 13:35 W 12 G 17 10.00 Partly Cloudy SCT037 70.2 50.2 49% 29.81 0.0
18 13:15 NW 10 10.00 Mostly Cloudy BKN037 BKN045 68.5 50.4 52% 29.81 0.0
18 12:35 W 9 10.00 Mostly Cloudy BKN035 BKN045 68.4 50.4 53% 29.8 0.0
18 12:15 NW 8 10.00 Mostly Cloudy SCT029 SCT035 BKN043 67.3 49.3 53% 29.8 0.0
18 11:55 N 6 10.00 Mostly Cloudy SCT029 BKN035 BKN044 65.7 51.8 61% 29.8 0.0
18 11:35 NW 8 10.00 Overcast SCT028 BKN036 OVC044 66.2 50.4 57% 29.79 0.0
18 11:15 N 8 10.00 Mostly Cloudy BKN030 BKN042 65.5 51.1 60% 29.78 0.0
18 10:55 NW 7 10.00 Overcast BKN030 OVC036 65.1 50.2 59% 29.77 0.0
18 10:35 NW 9 10.00 Mostly Cloudy BKN028 BKN036 66 50.7 58% 29.76 0.0
18 10:15 NW 8 10.00 Mostly Cloudy SCT025 BKN032 64.9 52.3 64% 29.76 0.0
18 09:55 NW 8 10.00 Mostly Cloudy SCT023 BKN029 BKN034 63.1 52.5 68% 29.76 0.0
18 09:35 NW 10 10.00 Mostly Cloudy BKN023 BKN028 63.1 53.1 70% 29.75 0.0
18 09:15 N 9 10.00 Mostly Cloudy SCT020 BKN026 61.9 51.3 68% 29.74 0.0
18 08:55 N 10 10.00 Partly Cloudy SCT022 61.9 53.4 74% 29.73 0.0
18 08:35 N 12 G 20 10.00 Mostly Cloudy SCT015 BKN024 BKN029 60.4 52.9 76% 29.72 0.0
18 08:15 N 15 G 20 10.00 Overcast BKN015 BKN024 OVC029 58.1 55.2 90% 29.71 0.0
18 07:55 NW 16 G 24 10.00 Overcast BKN015 BKN021 OVC029 61.3 55.2 80% 29.69 0.0
18 07:35 NW 14 G 18 10.00 Overcast OVC015 60.1 54.3 81% 29.69 0.0
18 07:15 NW 9 G 13 10.00 Mostly Cloudy SCT017 BKN033 60.1 55.8 86% 29.67 0.0
18 06:55 NW 13 10.00 Mostly Cloudy BKN033 60.1 55.9 60.1 58.1 86% 29.65 0.0
18 06:30 NW 15 10.00 Partly Cloudy SCT039 59 57.4 94% 29.65 0.0
18 06:15 NW 10 G 21 10.00 Partly Cloudy SCT043 59 58.1 97% 29.64 0.0
18 05:55 NW 14 G 20 10.00 Overcast OVC043 59.4 58.6 97% 29.63 0.0
18 05:35 W 12 G 17 7.00 Overcast OVC043 59.5 59 98% 29.62 0.0
18 05:10 W 12 G 18 10.00 Overcast SCT027 OVC043 59.9 59 97% 29.61 0.0
18 04:55 W 12 10.00 Overcast SCT020 SCT029 OVC045 59.9 59.2 97% 29.6 0.0
18 04:35 W 13 G 20 10.00 Overcast BKN016 BKN020 OVC030 59.7 59.7 100% 29.58 0.0
18 04:15 W 14 G 22 10.00 Overcast OVC016 59.5 59.5 100% 29.57 0.0
18 03:55 W 16 G 22 10.00 Overcast BKN014 BKN019 OVC040 59.4 59.4 100% 29.56 0.0
18 03:35 W 15 10.00 Mostly Cloudy BKN038 59 59 100% 29.54 0.0
18 03:15 W 12 10.00 Partly Cloudy SCT034 58.1 58.1 100% 29.53 0.0
18 02:55 W 10 7.00 Partly Cloudy SCT018 SCT027 58.1 58.1 100% 29.52 0.0
18 02:35 W 13 G 17 10.00 Partly Cloudy SCT018 58.1 58.1 100% 29.52 0.0
18 01:55 W 9 10.00 Fair CLR 58.8 57.9 97% 29.5 0.0
18 01:35 W 12 10.00 Fair CLR 59.2 57.6 94% 29.5 0.0
18 01:15 W 12 G 16 10.00 Partly Cloudy SCT090 59.4 58.1 96% 29.5 0.0
18 00:55 W 10 10.00 Fair CLR 59.9 57.9 71.2 59.4 93% 29.49 0.0
18 00:35 W 9 7.00 Fair CLR 59.4 59.4 100% 29.48 0.0
18 00:15 W 8 10.00 Fair CLR 60.4 60.3 99% 29.48 0.0
17 23:55 W 7 10.00 Fair CLR 61 59 93% 29.46 0.0
17 23:35 W 9 10.00 Fair CLR 62.8 57 82% 29.46 0.0
17 23:15 W 12 G 16 10.00 Fair CLR 62.4 60.1 92% 29.45 0.0
17 22:50 W 6 10.00 Partly Cloudy SCT041 61.7 61.3 99% 29.44 0.0
17 22:35 Calm 10.00 Partly Cloudy SCT041 61.7 61.7 100% 29.43 0.0
17 22:15 W 7 10.00 Partly Cloudy SCT100 62.8 60.8 93% 29.44 0.0
17 21:55 W 8 10.00 Mostly Cloudy SCT033 BKN100 64.4 60.1 86% 29.43 0.0
17 21:35 W 7 10.00 Partly Cloudy SCT033 64.6 59.5 84% 29.43 0.0
17 21:10 W 9 10.00 Fair CLR 65.7 58.8 79% 29.41 0.0
17 20:55 W 14 G 18 10.00 Fair CLR 66.2 58.3 76% 29.39 0.0
17 20:35 W 13 G 23 7.00 Fair CLR 67.3 58.1 73% 29.37 0.0
17 20:15 W 13 G 21 10.00 Fair CLR 68 58.6 72% 29.36 0.0
17 19:55 W 13 G 20 10.00 Fair CLR 68.2 59 73% 29.35 0.0
17 19:35 W 13 G 21 10.00 Fair CLR 68.5 59 72% 29.36 0.0
17 19:15 W 15 G 30 10.00 Partly Cloudy SCT027 SCT037 SCT055 68.9 58.6 70% 29.35 0.0
17 18:55 W 17 G 26 10.00 Mostly Cloudy SCT029 SCT042 BKN060 71.8 62.4 72% 29.34 0.0 0.01
17 18:35 SW 22 10.00 Overcast and Breezy BKN029 BKN036 OVC046 72 66.2 82% 29.32 0.0
17 18:15 S 15 10.00 Mostly Cloudy SCT024 SCT029 BKN042 69.1 66.9 93% 29.31 0.0
17 17:55 S 18 10.00 Partly Cloudy SCT012 SCT100 70.7 64.9 82% 29.31 0.0
17 17:35 S 15 10.00 Mostly Cloudy SCT014 BKN026 BKN100 68 67.1 97% 29.33 0.0
17 17:15 S 13 10.00 Mostly Cloudy SCT015 BKN026 BKN036 68.5 64.8 88% 29.35 0.0
17 16:55 SW 15 10.00 Partly Cloudy SCT008 SCT028 67.8 64 88% 29.37 0.0
17 16:35 S 12 10.00 Mostly Cloudy BKN006 BKN010 BKN028 66.2 65.3 97% 29.37 0.0
17 16:15 SW 10 10.00 Overcast OVC004 63.9 63.9 100% 29.38 0.0
17 15:55 S 9 7.00 Overcast OVC004 0 0 0% 29.38 0.0 0.01
17 15:35 SW 10 10.00 Overcast OVC004 0 0 0% 29.4 0.0
17 15:15 SW 13 G 20 7.00 Overcast OVC004 0 0 0% 29.39 0.0
17 14:55 S 12 10.00 Overcast OVC004 0 0 0% 29.39 0.0
17 14:35 S 10 G 17 7.00 Overcast OVC004 0 0 0% 29.38 0.0
17 13:55 S 17 G 24 10.00 Overcast OVC004 0 0 0% 29.4 0.0 0.01
17 13:35 S 20 G 26 10.00 Overcast OVC006 0 0 0% 29.38 0.0
17 13:10 SE 18 G 23 10.00 Overcast OVC006 0 0 0% 29.36 0.0
17 12:55 SE 13 10.00 Overcast OVC008 0 0 0% 29.42 0.0 0.38
17 12:35 SE 10 10.00 Overcast OVC008 0 0 0% 29.44 0.0
17 12:15 SE 10 10.00 Overcast OVC008 0 0 0% 29.44 0.0
17 11:55 SE 9 10.00 Overcast OVC010 55.4 55.4 100% 29.44 0.0 0.03
17 11:35 SE 15 10.00 Overcast BKN012 OVC019 55.4 55.4 100% 29.44 0.0 0.01
17 11:15 S 12 10.00 Mostly Cloudy SCT016 BKN022 BKN035 55.9 55.8 99% 29.47 0.0
17 10:55 S 16 G 22 10.00 Partly Cloudy SCT035 SCT110 55 54.7 99% 29.44 0.0
17 10:35 SE 18 G 25 10.00 Fair CLR 55.4 55.2 99% 29.41 0.0
17 10:15 SE 16 G 25 10.00 Fair CLR 0 0 0% 29.41 0.0
17 09:55 SE 18 G 23 10.00 Partly Cloudy SCT033 SCT041 SCT049 0 0 0% 29.44 0.0 0.35
17 09:35 SE 18 G 28 10.00 Mostly Cloudy SCT100 BKN120 0 0 0% 29.41 0.0
17 09:15 E 6 10.00 Mostly Cloudy BKN100 0 0 0% 29.49 0.0
17 08:55 SE 31 G 51 4.00 Mostly Cloudy and Windy SCT021 SCT031 BKN050 0 0 0% 29.38 0.0 0.22
17 08:35 SE 21 G 25 5.00 Overcast and Breezy OVC050 54.7 54.7 100% 29.52 0.0 0.15
17 08:15 SE 13 7.00 Overcast OVC050 54.7 54.7 100% 29.54 0.0 0.05
17 07:55 SE 10 10.00 Overcast SCT049 OVC055 55.4 54.9 98% 29.54 0.0 0.13
17 07:35 SE 9 7.00 Overcast SCT047 BKN060 OVC065 55 54.7 99% 29.56 0.0 0.1
17 07:15 SE 10 10.00 Overcast SCT048 OVC060 55.4 55 99% 29.56 0.0 0.04
17 06:55 E 7 7.00 Overcast SCT042 SCT049 OVC060 55.6 55.6 57.2 55.6 100% 29.6 0.0 0.13 0.17
17 06:35 Calm 7.00 Overcast SCT038 BKN044 OVC050 55.9 55.9 100% 29.64 0.0 0.07
17 06:15 Calm 10.00 Overcast SCT043 BKN050 OVC070 56.3 56.3 100% 29.62 0.0 0.02
17 05:55 Calm 10.00 Overcast SCT044 BKN060 OVC090 56.3 54.9 95% 29.62 0.0 0.03
17 05:35 Calm 10.00 Overcast SCT048 SCT060 OVC100 56.3 56.3 100% 29.61 0.0 0.02
17 05:15 Calm 10.00 Overcast BKN047 BKN060 OVC100 56.7 54.3 92% 29.61 0.0 0.01
17 04:55 Calm 10.00 Overcast SCT040 BKN047 OVC070 56.7 54.3 92% 29.62 0.0 0.01
17 04:35 Calm 10.00 Partly Cloudy SCT046 SCT050 SCT095 57.2 52 83% 29.64 0.0
17 04:15 Calm 10.00 Fair CLR 56.8 54 90% 29.63 0.0
17 03:55 Calm 10.00 Fair CLR 56.7 52.5 86% 29.63 0.0
17 03:35 Calm 10.00 Fair CLR 56.5 51.8 84% 29.62 0.0
17 03:15 Calm 10.00 Fair CLR 56.5 51.8 84% 29.62 0.0
17 02:55 Calm 7.00 Fair CLR 56.5 52 85% 29.62 0.0
17 02:35 Calm 10.00 Partly Cloudy SCT090 56.3 51.8 85% 29.63 0.0
17 02:15 Calm 7.00 Mostly Cloudy BKN090 56.3 51.6 84% 29.64 0.0
17 01:55 Calm 10.00 Mostly Cloudy BKN090 56.5 51.8 84% 29.65 0.0
17 01:35 Calm 7.00 Partly Cloudy SCT100 56.8 51.8 83% 29.65 0.0
17 00:55 Calm 10.00 Partly Cloudy SCT110 56.5 50.9 68.2 55.8 82% 29.66 0.0
17 00:35 Calm 10.00 Partly Cloudy SCT120 55.9 50.5 82% 29.66 0.0
17 00:10 Calm 10.00 Fair CLR 57.4 49.1 74% 29.67 0.0
16 23:55 Calm 10.00 Fair CLR 58.3 48.2 69% 29.67 0.0
16 23:35 Calm 10.00 Fair CLR 58.6 47.3 66% 29.67 0.0
16 23:15 Calm 10.00 Fair CLR 60.3 46.8 61% 29.67 0.0
16 22:55 Calm 10.00 Fair CLR 59.9 47.3 63% 29.67 0.0
16 22:35 Calm 10.00 Fair CLR 61 46.6 59% 29.67 0.0
16 22:15 Calm 10.00 Fair CLR 60.8 46.9 60% 29.67 0.0
16 21:55 Calm 10.00 Fair CLR 60.3 47.3 62% 29.67 0.0
16 21:35 Calm 10.00 Fair CLR 61.7 47.3 59% 29.66 0.0
16 21:15 Calm 10.00 Fair CLR 61.3 48.4 63% 29.67 0.0
16 20:55 Calm 10.00 Fair CLR 62.6 48.7 61% 29.66 0.0
16 20:35 Calm 10.00 Fair CLR 63.5 48.2 58% 29.66 0.0
16 20:15 Calm 7.00 Fair CLR 64.6 48.2 56% 29.66 0.0
16 19:55 W 5 10.00 Fair CLR 66.4 46.6 49% 29.66 0.0
16 19:35 W 7 10.00 Fair CLR 67.5 45.3 45% 29.65 0.0
16 19:15 W 8 G 16 10.00 Fair CLR 68 44.8 43% 29.65 0.0
16 18:55 W 13 G 20 10.00 Fair CLR 68.4 44.2 70.5 62.1 42% 29.65 0.0
16 18:35 NW 12 G 18 10.00 Fair CLR 68.9 44.4 41% 29.65 0.0
16 18:15 NW 16 G 23 10.00 Partly Cloudy SCT043 SCT049 SCT060 69.1 45 42% 29.65 0.0
16 17:55 W 17 G 26 10.00 Mostly Cloudy SCT046 SCT060 BKN080 69.8 45.5 42% 29.65 0.0
16 17:35 W 15 G 24 10.00 Partly Cloudy SCT043 SCT049 SCT070 69.4 45.9 43% 29.65 0.0
16 17:15 W 15 G 23 10.00 Mostly Cloudy BKN041 BKN050 BKN065 70 46.8 44% 29.64 0.0
16 16:55 W 17 G 22 10.00 Mostly Cloudy BKN039 BKN050 BKN065 70.3 47.7 45% 29.65 0.0
16 16:35 W 15 G 23 10.00 Overcast BKN039 BKN044 OVC049 68.4 47.1 47% 29.65 0.0
16 16:15 W 17 G 24 10.00 Overcast SCT036 BKN050 OVC055 67.5 47.3 49% 29.65 0.0
16 15:55 W 14 G 25 10.00 Overcast SCT034 BKN044 OVC050 66.4 47.5 51% 29.65 0.0
16 15:35 W 16 G 23 10.00 Overcast BKN034 BKN042 OVC050 65.3 47.7 53% 29.65 0.0
16 15:15 W 17 10.00 Overcast SCT034 OVC041 65.5 48 53% 29.65 0.0
16 14:55 W 20 G 25 10.00 Overcast SCT032 BKN041 OVC047 64.4 47.5 54% 29.65 0.0
16 14:35 W 14 G 22 10.00 Overcast OVC032 62.6 47.7 58% 29.66 0.0
16 14:15 W 16 10.00 Overcast BKN032 OVC041 62.8 47.3 57% 29.66 0.0
16 13:55 W 20 G 29 10.00 Overcast BKN033 BKN039 OVC044 65.3 46.8 51% 29.65 0.0
16 13:35 W 18 G 25 10.00 Overcast BKN031 BKN037 OVC070 64.4 47.1 54% 29.66 0.0
16 13:15 W 18 G 25 10.00 Mostly Cloudy BKN029 BKN036 BKN042 65.3 47.7 53% 29.66 0.0
16 12:55 W 21 G 30 10.00 Mostly Cloudy and Breezy BKN033 BKN041 65.1 47.3 67.3 62.6 53% 29.65 0.0
16 12:35 W 16 G 24 10.00 Mostly Cloudy SCT035 BKN043 BKN050 66.2 45.7 48% 29.65 0.0
16 12:15 W 16 G 28 10.00 Overcast SCT033 BKN040 OVC050 63.9 45.9 52% 29.65 0.0
16 11:55 W 15 G 23 10.00 Overcast SCT035 SCT041 OVC050 64.6 46.8 53% 29.65 0.0
16 11:35 W 14 G 24 10.00 Mostly Cloudy BKN035 BKN041 BKN050 64.4 46.9 53% 29.65 0.0
16 11:15 W 17 G 24 10.00 Mostly Cloudy SCT035 BKN041 65.3 47.3 52% 29.65 0.0
16 10:55 W 21 G 29 10.00 Mostly Cloudy and Breezy BKN033 65.7 46.9 51% 29.65 0.0
16 10:35 W 15 G 25 10.00 Partly Cloudy SCT029 SCT035 65.5 48.9 55% 29.65 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)