Weather observations for the past three days for
Elizabethtown Addington Field 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.
13 22:15 Calm 16.09 Fair CLR 27.1 24.8 87% 31 76.2 0.0
13 21:55 Calm 16.09 Fair CLR 27.1 24.8 87% 31 76.17 0.0
13 21:35 Calm 16.09 Fair CLR 27.1 24.9 88% 31 76.17 0.0
13 21:15 Calm 16.09 Fair CLR 27.3 24.7 86% 31 76.15 0.0
13 20:55 Calm 16.09 Partly Cloudy SCT080 27.6 25 86% 32 76.12 0.0
13 20:35 Calm 16.09 Mostly Cloudy BKN080 28.2 25 83% 33 76.12 0.0
13 20:15 Calm 16.09 Partly Cloudy SCT075 28.6 25.1 81% 34 76.12 0.0
13 19:55 Calm 16.09 Mostly Cloudy BKN075 29.9 27 31.7 29.2 84% 39 76.12 0.0
13 19:35 Calm 16.09 Partly Cloudy SCT075 30.1 26.8 83% 39 76.1 0.0
13 19:15 Calm 16.09 Fair CLR 30.5 25.9 76% 38 76.07 0.0
13 18:55 Calm 16.09 Fair CLR 31 26.4 77% 40 76.07 0.0
13 18:35 Calm 16.09 Fair CLR 30.6 26.1 77% 39 76.05 0.0
13 18:15 Calm 16.09 Fair CLR 30.2 26.4 80% 38 76.07 0.0
13 17:55 Calm 16.09 Fair CLR 30.1 26.3 80% 38 76.05 0.0
13 17:35 Calm 16.09 Fair CLR 30.3 26.1 78% 38 76.05 0.0
13 17:15 Calm 16.09 Partly Cloudy SCT110 30.2 26.2 79% 38 76.05 0.0
13 16:55 Calm 16.09 Mostly Cloudy SCT050 SCT070 BKN100 29.8 26.3 82% 37 76.07 0.0
13 16:35 Calm 16.09 Overcast SCT050 SCT070 OVC110 29.3 25.9 82% 36 76.1 0.0
13 16:15 Calm 16.09 Mostly Cloudy SCT028 SCT070 BKN100 30 25.8 78% 37 76.1 0.0
13 15:55 Calm 16.09 Mostly Cloudy BKN110 30.3 26.4 80% 38 76.12 0.0
13 15:35 Calm 16.09 Overcast SCT060 SCT085 OVC110 30.5 25.9 76% 38 76.12 0.0
13 15:15 Calm 16.09 Mostly Cloudy SCT021 SCT060 BKN110 30.4 25.6 76% 38 76.12 0.0
13 14:55 W 15 16.09 Partly Cloudy SCT022 31.5 25.9 72% 40 76.15 0.0
13 14:35 SW 6 16.09 Partly Cloudy SCT022 SCT120 30.5 25.7 76% 38 76.12 0.0
13 14:15 SW 7 16.09 Partly Cloudy SCT022 SCT120 30.4 25.8 76% 38 76.12 0.0
13 13:55 Calm 16.09 Partly Cloudy SCT120 30.6 25.8 31.4 22.8 76% 38 76.12 0.0 0.03
13 13:35 Calm 16.09 Partly Cloudy SCT120 30 25.3 76% 37 76.12 0.0
13 13:15 Calm 16.09 Fair CLR 30.4 25.2 74% 37 76.12 0.0
13 12:55 Calm 16.09 Fair CLR 31.2 25.7 73% 39 76.15 0.0
13 12:35 Calm 16.09 Partly Cloudy SCT018 30.7 25.5 74% 38 76.15 0.0
13 12:15 Calm 16.09 Partly Cloudy SCT016 30.1 25.6 77% 37 76.17 0.0
13 11:55 Calm 16.09 Fair CLR 29.7 26 81% 37 76.17 0.0 0.03
13 11:35 SW 6 16.09 Partly Cloudy SCT090 29 25.6 82% 35 76.15 0.0 0.03
13 11:15 Calm 16.09 Overcast OVC090 27.7 25.1 86% 32 76.15 0.0
13 10:55 Calm 16.09 Overcast BKN090 OVC110 27.1 24.9 88% 31 76.15 0.0
13 10:35 Calm 16.09 Mostly Cloudy BKN100 BKN120 26.7 24.7 89% 30 76.15 0.0
13 10:15 Calm 16.09 Mostly Cloudy BKN100 BKN120 26.7 24.5 88% 30 76.12 0.0
13 09:55 Calm 16.09 Partly Cloudy SCT090 26.7 24.6 88% 30 76.12 0.0
13 09:35 Calm 16.09 Partly Cloudy SCT110 26.4 24.5 89% 29 76.12 0.0
13 09:15 Calm 16.09 Partly Cloudy SCT110 25.2 23.9 93% 26 76.12 0.0
13 08:55 Calm 16.09 Partly Cloudy SCT110 24.3 23.3 94% 24 76.1 0.0
13 08:35 Calm 16.09 Mostly Cloudy SCT090 BKN120 23.7 22.8 95% 76.1 0.0
13 08:15 Calm 16.09 Mostly Cloudy SCT075 BKN100 BKN110 23.3 22.8 97% 76.07 0.0
13 07:55 Calm 16.09 Mostly Cloudy SCT100 BKN110 22.7 22.3 22.7 21.5 98% 76.07 0.0
13 07:35 Calm 16.09 Mostly Cloudy BKN100 BKN110 22.2 22 99% 76.05 0.0
13 07:15 Calm 16.09 Mostly Cloudy SCT090 BKN110 22 21.6 98% 76.05 0.0
13 06:55 Calm 16.09 Mostly Cloudy SCT055 SCT070 BKN100 21.6 21.4 99% 76.02 0.0
13 06:35 Calm 16.09 Mostly Cloudy SCT055 BKN070 BKN100 21.8 21.5 98% 76.02 0.0
13 06:15 Calm 16.09 Partly Cloudy SCT070 21.7 21.4 98% 76.02 0.0
13 05:55 Calm 16.09 Overcast BKN070 OVC085 21.7 21.3 98% 76.02 0.0
13 05:35 Calm 16.09 Partly Cloudy SCT070 SCT085 21.7 21.2 97% 76.02 0.0
13 05:15 Calm 16.09 Fair CLR 21.7 21.1 96% 76 0.0
13 04:55 Calm 16.09 Fair CLR 21.6 21 96% 76 0.0
13 04:35 Calm 16.09 Partly Cloudy SCT090 21.8 21 95% 75.97 0.0
13 04:15 Calm 16.09 Mostly Cloudy BKN090 21.9 21.1 95% 76 0.0
13 03:55 Calm 16.09 Partly Cloudy SCT100 21.7 21 96% 76 0.0
13 03:35 Calm 16.09 Partly Cloudy SCT100 21.7 21 96% 76 0.0
13 03:15 Calm 16.09 Partly Cloudy SCT100 21.9 21 95% 76.02 0.0
13 02:55 Calm 16.09 Partly Cloudy SCT100 SCT110 21.8 21 95% 76 0.0
13 02:15 Calm 16.09 Mostly Cloudy BKN100 BKN120 22 21.1 95% 75.97 0.0
13 01:55 Calm 16.09 Mostly Cloudy BKN100 BKN120 22 21.2 23.8 22 95% 76 0.0
13 01:35 Calm 16.09 Mostly Cloudy BKN100 BKN120 22 21.2 95% 76.02 0.0
13 01:15 Calm 16.09 Overcast OVC100 22.1 21.2 95% 76.02 0.0
13 00:55 Calm 16.09 Overcast OVC100 22.1 21.2 95% 76 0.0
13 00:35 Calm 16.09 Mostly Cloudy BKN110 22 21.1 95% 76 0.0
13 00:15 Calm 16.09 Fair CLR 22.1 21.1 94% 75.97 0.0
12 23:55 Calm 16.09 Fair CLR 22.1 21.2 95% 75.97 0.0
12 23:35 Calm 16.09 Fair CLR 22.1 21.5 96% 75.97 0.0
12 23:15 Calm 16.09 Fair CLR 22.2 21.7 97% 75.95 0.0
12 22:55 Calm 11.27 Fair CLR 22.5 22 97% 75.97 0.0
12 22:35 Calm 16.09 Partly Cloudy SCT120 22.5 22 97% 75.97 0.0
12 22:15 Calm 16.09 Mostly Cloudy BKN120 22.8 22.2 96% 76 0.0
12 21:55 Calm 16.09 Fair CLR 22.8 22.1 96% 76 0.0
12 21:35 Calm 16.09 Fair CLR 23.1 22.2 95% 76 0.0
12 21:15 Calm 16.09 Fair CLR 23.3 22.3 94% 75.95 0.0
12 20:55 Calm 16.09 Fair CLR 23.5 22.5 94% 75.97 0.0
12 20:35 Calm 16.09 Thunderstorm in Vicinity CLR 23.5 22.5 94% 75.95 0.0
12 20:15 S 6 16.09 Partly Cloudy SCT080 SCT110 23.7 22.7 94% 75.95 0.0
12 19:55 Calm 16.09 Light Drizzle BKN110 23.8 22.5 31.1 23.7 92% 75.95 0.0 0.08 0.08
12 19:35 SE 7 16.09 Thunderstorm Light Rain in Vicinity BKN110 23.8 22.5 92% 75.95 0.0 0.08
12 19:15 Calm 16.09 Light Rain SCT120 24 22.5 91% 23 76 0.0 0.03
12 18:55 SE 11 16.09 Thunderstorm Rain SCT037 SCT050 BKN120 24.5 22.6 89% 25 76 0.0
12 18:35 Calm 16.09 Thunderstorm in Vicinity SCT070 SCT085 24.9 21.8 83% 26 76.07 0.0
12 18:15 SW 22 G 28 16.09 Fair CLR 26.1 21.2 74% 28 75.9 0.0
12 17:55 SW 13 G 26 16.09 Partly Cloudy SCT032 SCT039 27.5 21.7 71% 30 75.92 0.0
12 17:35 Calm 16.09 Mostly Cloudy SCT023 BKN032 29.2 25 78% 35 75.97 0.0
12 17:15 Calm 16.09 Partly Cloudy SCT022 29.8 25.4 77% 36 75.95 0.0
12 16:55 Calm 16.09 Partly Cloudy SCT022 30.2 25.5 76% 37 75.92 0.0
12 16:35 Calm 16.09 Thunderstorm in Vicinity SCT022 31 25.6 73% 39 76 0.0
12 16:15 Calm 16.09 Partly Cloudy SCT022 SCT080 30.8 25.4 73% 38 76 0.0
12 15:55 Calm 16.09 Fair CLR 30.5 25 72% 37 76.02 0.0
12 15:35 Calm 16.09 Fair CLR 29.5 24.5 75% 35 76.02 0.0
12 15:15 Calm 16.09 Partly Cloudy SCT022 29.7 24.4 73% 35 76.02 0.0
12 14:55 Calm 16.09 Partly Cloudy SCT020 SCT026 SCT065 28.6 23.8 75% 33 76.02 0.0
12 14:35 Calm 16.09 Partly Cloudy SCT020 SCT065 28.2 23.5 76% 32 76.07 0.0
12 14:15 S 17 16.09 Partly Cloudy SCT020 28.3 23.1 73% 32 76.07 0.0
12 13:55 S 13 16.09 Fair CLR 27.8 22.8 28.1 21.1 74% 31 76.07 0.0 0.03
12 13:35 S 13 16.09 Mostly Cloudy BKN025 27.6 22.3 73% 30 76.1 0.0
12 13:15 Calm 16.09 Overcast OVC025 27.6 22 72% 30 76.12 0.0
12 12:55 Calm 16.09 Mostly Cloudy BKN025 27.1 21.5 72% 29 76.15 0.0 0.03
12 12:35 Calm 16.09 Partly Cloudy SCT027 27 21.1 70% 29 76.15 0.0 0.03
12 12:15 Calm 16.09 Overcast OVC027 26.1 20.7 72% 28 76.2 0.0
12 11:55 SE 11 16.09 Overcast OVC025 24.7 20 75% 26 76.2 0.0
12 11:35 Calm 16.09 Overcast OVC025 24.1 20.2 79% 25 76.23 0.0
12 11:15 Calm 16.09 Overcast OVC025 23.1 19.6 81% 76.2 0.0
12 10:55 SE 11 16.09 Overcast OVC025 22.2 19.5 85% 76.23 0.0
12 10:35 SE 20 16.09 Overcast SCT011 OVC025 21.6 19.5 88% 76.25 0.0
12 10:15 E 20 G 28 16.09 Overcast SCT013 OVC019 21.8 19.5 87% 76.28 0.0
12 09:55 Calm 16.09 Overcast OVC019 22.8 20.3 86% 76.28 0.0
12 09:35 SE 13 16.09 Thunderstorm in Vicinity OVC019 22.7 20 85% 76.23 0.0
12 09:15 SE 13 16.09 Overcast OVC019 22.2 20 87% 76.23 0.0
12 08:55 Calm 16.09 Overcast OVC019 22.1 20.1 88% 76.2 0.0
12 08:35 E 7 16.09 Overcast OVC017 21.5 20 91% 76.23 0.0
12 08:15 E 28 G 35 16.09 Overcast OVC015 21.2 20.1 93% 76.28 0.0
12 07:55 E 19 G 26 16.09 Thunderstorm in Vicinity SCT015 BKN042 OVC120 21.5 20.5 21.5 20.3 94% 76.28 0.0
12 07:35 Calm 16.09 Thunderstorm in Vicinity SCT090 BKN120 20.8 20.1 96% 76.23 0.0
12 07:15 Calm 16.09 Thunderstorm in Vicinity CLR 20.6 19.8 95% 76.15 0.0
12 06:55 Calm 16.09 Thunderstorm in Vicinity CLR 20.6 19.6 94% 76.12 0.0
12 06:35 Calm 16.09 Thunderstorm in Vicinity CLR 20.5 19.5 94% 76.1 0.0
12 06:15 Calm 16.09 Fair CLR 20.5 19.5 94% 76.1 0.0
12 05:55 Calm 16.09 Thunderstorm in Vicinity CLR 20.7 19.6 93% 76.07 0.0
12 05:35 Calm 16.09 Fair CLR 20.7 19.7 94% 76.07 0.0
12 05:15 Calm 16.09 Fair CLR 20.5 19.6 95% 76.07 0.0
12 04:55 SW 6 16.09 Fair CLR 20.5 19.6 95% 76.07 0.0
12 04:35 Calm 16.09 Fair CLR 20.5 19.5 94% 76.12 0.0
12 04:15 Calm 16.09 Fair CLR 20.7 19.6 93% 76.1 0.0
12 03:55 Calm 16.09 Fair CLR 20.7 19.6 93% 76.1 0.0
12 03:35 Calm 16.09 Fair CLR 20.6 20 96% 76.1 0.0
12 03:15 Calm 16.09 Fair CLR 20.5 20 97% 76.1 0.0
12 02:55 Calm 16.09 Fair CLR 20.5 20 97% 76.1 0.0
12 02:35 Calm 16.09 Fair CLR 20.3 20 98% 76.1 0.0
12 02:15 Calm 16.09 Fair CLR 20.5 20 97% 76.12 0.0
12 01:55 Calm 16.09 Fair CLR 20.5 20 24.5 20.3 97% 76.12 0.0 0.94
12 01:35 Calm 16.09 Fair CLR 20.5 20.1 98% 76.12 0.0
12 01:15 Calm 16.09 Fair CLR 20.5 20.1 98% 76.1 0.0
12 00:55 Calm 16.09 Fair CLR 20.5 20 97% 76.12 0.0
12 00:35 Calm 16.09 Fair CLR 20.5 20.1 98% 76.12 0.0
12 00:15 Calm 16.09 Fair CLR 20.5 20.1 98% 76.17 0.0
11 23:55 Calm 16.09 Fair CLR 20.7 20.3 98% 76.2 0.0
11 23:35 Calm 16.09 Fair CLR 20.7 20.3 98% 76.2 0.0
11 23:15 Calm 16.09 Fair CLR 20.8 20.3 97% 76.2 0.0
11 22:55 Calm 16.09 Fair CLR 21 20.5 97% 76.2 0.0 0.94
11 22:35 Calm 16.09 Fair CLR 21 20.5 97% 76.2 0.0
11 22:15 Calm 16.09 Fair CLR 21.2 20.6 96% 76.23 0.0
11 21:55 S 22 16.09 Fair CLR 21.5 21 97% 76.23 0.0 0.23
11 21:35 Calm 16.09 Thunderstorm Light Rain SCT046 SCT060 BKN110 21.5 20.8 96% 76.23 0.0 0.18
11 21:15 Calm 11.27 Thunderstorm Rain SCT050 BKN095 OVC120 21.6 20.7 95% 76.33 0.0 0.1
11 20:55 Calm 16.09 Thunderstorm Light Rain SCT029 BKN045 OVC090 21.5 20.6 95% 76.33 0.0 0.71
11 20:35 NE 24 G 44 4.83 Thunderstorm Heavy Rain SCT011 SCT029 OVC041 21.9 20.8 94% 76.4 0.0 0.3
11 20:15 NE 24 G 35 16.09 Thunderstorm Light Rain SCT015 BKN039 BKN049 23 20.4 85% 76.28 0.0
11 19:55 N 20 G 37 16.09 Thunderstorm BKN039 BKN050 OVC070 24.8 19.6 34 24.8 73% 26 76.23 0.0
11 19:35 E 20 G 30 16.09 Overcast BKN041 BKN047 OVC080 25.5 19.7 70% 27 76.12 0.0
11 19:15 E 28 G 37 16.09 Partly Cloudy SCT065 SCT080 32.2 23.8 61% 38 76.15 0.0
11 18:55 Calm 16.09 Fair CLR 32.7 24 60% 39 76.1 0.0
11 18:35 Calm 11.27 Fair CLR 32.6 23.5 59% 38 76.07 0.0
11 18:15 Calm 16.09 Fair CLR 32.5 22.8 57% 37 76.07 0.0
11 17:55 W 15 G 28 16.09 Fair CLR 32.6 22.3 55% 37 76.07 0.0
11 17:35 Calm 16.09 Fair CLR 33.2 23.9 58% 39 76.07 0.0
11 17:15 W 9 16.09 Fair CLR 33.5 22.9 54% 39 76.12 0.0
11 16:55 W 11 16.09 Fair CLR 33.5 23.4 55% 39 76.12 0.0
11 16:35 W 22 16.09 Partly Cloudy SCT041 SCT047 SCT070 33.6 24.5 59% 41 76.15 0.0
11 16:15 W 13 16.09 Mostly Cloudy BKN070 33.5 24.1 58% 40 76.17 0.0
11 15:55 W 13 G 28 16.09 Overcast SCT040 SCT050 OVC070 33 23.6 58% 39 76.2 0.0
11 15:35 W 11 G 28 16.09 Partly Cloudy SCT040 SCT050 SCT070 33.7 24.6 59% 41 76.2 0.0
11 15:15 W 11 G 31 16.09 Partly Cloudy SCT039 SCT046 33.2 24.7 61% 40 76.23 0.0
11 14:55 W 20 G 26 16.09 Partly Cloudy SCT036 SCT043 33.2 24.4 60% 40 76.23 0.0
11 14:35 W 19 G 30 16.09 Partly Cloudy SCT036 SCT041 32.9 24.6 62% 40 76.23 0.0
11 14:15 W 6 16.09 Partly Cloudy SCT036 SCT041 32.8 25.1 64% 40 76.25 0.0
11 13:55 Calm 16.09 Fair CLR 31.9 24.6 32.4 25 65% 39 76.28 0.0
11 13:35 Calm 16.09 Fair CLR 32.1 24.9 66% 39 76.28 0.0
11 13:15 W 9 G 28 16.09 Fair CLR 31.7 24.6 66% 38 76.25 0.0
11 12:55 SW 22 G 30 16.09 Fair CLR 31.5 24.6 67% 38 76.25 0.0
11 12:35 W 9 G 26 16.09 Fair CLR 31.3 24.4 67% 37 76.28 0.0
11 12:15 Calm 16.09 Fair CLR 31.2 24.7 68% 38 76.33 0.0
11 11:55 W 19 G 26 16.09 Fair CLR 31.2 24.7 68% 38 76.33 0.0
11 11:35 W 11 16.09 Fair CLR 30.3 24.7 72% 36 76.33 0.0
11 11:15 Calm 16.09 Fair CLR 30.1 24.2 71% 35 76.35 0.0
11 10:55 Calm 16.09 Fair CLR 29.1 24.1 74% 34 76.38 0.0
11 10:35 Calm 16.09 Fair CLR 29.3 24.3 75% 34 76.35 0.0
11 10:15 Calm 16.09 Fair CLR 28.9 23.8 74% 33 76.38 0.0
11 09:55 Calm 16.09 Fair CLR 27.6 23.6 79% 31 76.38 0.0
11 09:35 Calm 16.09 Fair CLR 27.2 23.8 82% 30 76.35 0.0
11 09:15 Calm 16.09 Fair CLR 27.4 23.7 80% 31 76.33 0.0
11 08:55 Calm 16.09 Fair CLR 26.6 23.5 83% 29 76.33 0.0
11 08:35 SW 13 16.09 Fair CLR 25.7 23.3 87% 27 76.33 0.0
11 08:15 Calm 16.09 Fair CLR 25.6 23.5 88% 27 76.33 0.0
11 07:55 Calm 16.09 Fair CLR 25 23.3 26.1 24.5 90% 26 76.3 0.0
11 07:35 Calm 16.09 Fair CLR 24.8 23.5 93% 25 76.3 0.0
11 07:15 Calm 16.09 Fair CLR 24.6 23.3 93% 25 76.3 0.0
11 06:55 Calm 16.09 Fair CLR 25 23.5 91% 26 76.33 0.0
11 06:35 Calm 16.09 Fair CLR 25.1 23.6 91% 26 76.33 0.0
11 06:15 Calm 16.09 Fair CLR 25.5 23.7 90% 27 76.33 0.0
11 05:55 Calm 16.09 Fair CLR 25.7 23.9 90% 27 76.38 0.0
11 05:35 Calm 16.09 Fair CLR 25.7 24 90% 27 76.38 0.0
11 05:15 Calm 16.09 Fair CLR 25.6 24 91% 27 76.38 0.0
11 04:55 Calm 16.09 Fair CLR 25.5 24 91% 27 76.38 0.0
11 04:35 Calm 16.09 Fair CLR 25.5 24 91% 27 76.35 0.0
11 04:15 Calm 16.09 Fair CLR 25.5 24 91% 27 76.35 0.0
11 03:55 Calm 16.09 Fair CLR 25.7 24.1 91% 27 76.38 0.0
11 03:35 Calm 16.09 Fair CLR 25.5 24 91% 27 76.35 0.0
11 03:15 Calm 16.09 Fair CLR 25.6 24.1 91% 27 76.38 0.0
11 02:55 Calm 16.09 Fair CLR 25.6 24.1 91% 27 76.38 0.0
11 02:35 Calm 16.09 Fair CLR 26 24.2 90% 28 76.38 0.0
11 02:15 Calm 16.09 Fair CLR 26 24.1 89% 28 76.43 0.0
11 01:55 Calm 16.09 Fair CLR 26.1 24.2 30 25.5 89% 28 76.43 0.0
11 01:35 Calm 16.09 Partly Cloudy SCT037 26 24.2 90% 28 76.4 0.0
11 01:15 Calm 16.09 Partly Cloudy SCT037 26 24.2 90% 28 76.43 0.0
11 00:35 Calm 16.09 Fair CLR 25.5 24.1 92% 27 76.43 0.0
11 00:15 Calm 16.09 Fair CLR 25.6 24.1 91% 27 76.43 0.0
10 23:55 Calm 16.09 Fair CLR 26 24.1 89% 28 76.43 0.0
10 23:35 Calm 16.09 Fair CLR 26.3 24.3 89% 29 76.4 0.0
10 23:15 Calm 16.09 Fair CLR 26.3 24.3 89% 29 76.43 0.0
10 22:55 Calm 16.09 Fair CLR 26.4 24.3 88% 29 76.4 0.0
10 22:35 Calm 16.09 Fair CLR 26.7 24.5 88% 30 76.4 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)