Weather observations for the past three days for
Stevens Point Municipal Airport
Metric (Imperial)
Date Time (cdt) 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.
11 07:15 Calm 16.09 Fair CLR -1.7 -3.3 89% 77.17 0.0
11 06:55 Calm 16.09 Fair CLR -2.6 -3.9 -0.6 -3.5 91% 77.17 0.0
11 06:35 Calm 16.09 Fair CLR -2.7 -4.2 90% 77.14 0.0
11 06:15 Calm 16.09 Fair CLR -3 -4.5 90% 77.14 0.0
11 05:55 Calm 16.09 Fair CLR -2.8 -4.3 90% 77.14 0.0
11 05:35 Calm 16.09 Fair CLR -2.5 -3.7 92% 77.14 0.0
11 05:15 Calm 16.09 Fair CLR -2.6 -3.8 92% 77.14 0.0
11 04:55 Calm 16.09 Fair CLR -2.5 -3.8 91% 77.14 0.0
11 04:35 Calm 16.09 Fair CLR -2.7 -4.3 89% 77.14 0.0
11 04:15 Calm 16.09 Fair CLR -1.9 -3.4 90% 77.14 0.0
11 03:55 Calm 16.09 Fair CLR -2.9 -4.3 90% 77.11 0.0
11 03:35 Calm 16.09 Fair CLR -1.5 -3.1 89% 77.11 0.0
11 03:15 Calm 16.09 Fair CLR -2.3 -4.2 87% 77.11 0.0
11 02:55 Calm 16.09 Fair CLR -1.9 -3.7 88% 77.11 0.0
11 02:35 Calm 16.09 Fair CLR -2.2 -4.1 87% 77.11 0.0
11 02:15 Calm 16.09 Fair CLR -1.3 -3.4 86% 77.11 0.0
11 01:55 Calm 16.09 Fair CLR -1.5 -3.7 85% 77.09 0.0
11 01:35 Calm 16.09 Fair CLR -1 -3.3 85% 77.09 0.0
11 01:15 Calm 16.09 Fair CLR -1.3 -3.8 83% 77.09 0.0
11 00:55 Calm 16.09 Fair CLR -0.7 -3.3 10.6 -1 83% 77.09 0.0
11 00:35 Calm 11.27 Fair CLR -0.7 -3.2 83% 77.09 0.0
11 00:15 Calm 16.09 Fair CLR -0.1 -3.3 79% 77.09 0.0
10 23:55 Calm 16.09 Fair CLR 0 -3.3 79% 77.09 0.0
10 23:35 Calm 16.09 Fair CLR 0.3 -3.2 78% 77.06 0.0
10 23:15 Calm 16.09 Fair CLR 0.7 -3.4 74% 77.06 0.0
10 22:55 Calm 16.09 Fair CLR 0.9 -3.6 72% 77.06 0.0
10 22:35 Calm 16.09 Fair CLR 1.6 -2.9 72% 77.09 0.0
10 22:15 Calm 16.09 Fair CLR 2.6 -2.5 69% 77.09 0.0
10 21:55 Calm 16.09 Fair CLR 2.8 -4 61% 77.09 0.0
10 21:35 Calm 16.09 Fair CLR 3.7 -3.4 60% 77.09 0.0
10 21:15 Calm 16.09 Fair CLR 3.8 -3.7 58% 77.09 0.0
10 20:55 Calm 16.09 Fair CLR 4.4 -3.7 56% 77.09 0.0
10 20:35 Calm 16.09 Fair CLR 5.4 -3.9 52% 77.06 0.0
10 20:15 Calm 16.09 Fair CLR 8.6 -4.3 40% 77.04 0.0
10 19:55 Calm 16.09 Fair CLR 9 -4.2 39% 77.01 0.0
10 19:35 Calm 16.09 Fair CLR 9.9 -5.2 34% 76.99 0.0
10 19:15 W 6 16.09 Fair CLR 10.5 -5.3 33% 76.99 0.0
10 18:55 W 9 16.09 Fair CLR 10.6 -5.5 11.5 8 32% 76.99 0.0
10 18:35 NW 13 16.09 Fair CLR 10.8 -5.3 32% 76.99 0.0
10 18:15 NW 9 16.09 Fair CLR 11 -5.2 32% 76.96 0.0
10 17:55 NW 13 16.09 Fair CLR 11.2 -5.1 32% 76.96 0.0
10 17:35 W 6 16.09 Fair CLR 11.2 -4.3 34% 76.96 0.0
10 17:15 W 13 16.09 Fair CLR 11.5 -4.3 33% 76.96 0.0
10 16:55 NW 11 16.09 Fair CLR 11.1 -4.4 34% 76.96 0.0
10 16:35 W 15 16.09 Fair CLR 11.1 -4.3 34% 76.94 0.0
10 16:15 NW 15 16.09 Fair CLR 10.8 -4.2 35% 76.94 0.0
10 15:55 NW 11 16.09 Fair CLR 10.3 -4.2 36% 76.94 0.0
10 15:35 NW 11 16.09 Fair CLR 10.5 -4.3 35% 76.94 0.0
10 15:15 W 13 G 28 16.09 Fair CLR 10.3 -4.6 35% 76.94 0.0
10 14:55 N 20 G 30 16.09 Partly Cloudy SCT049 10.1 -4.2 37% 76.94 0.0
10 14:35 W 19 G 30 16.09 Partly Cloudy SCT049 9.7 -4.2 38% 7 76.94 0.0
10 14:15 NW 17 G 30 16.09 Mostly Cloudy BKN047 9.3 -3.9 39% 7 76.94 0.0
10 13:55 NW 13 16.09 Partly Cloudy SCT047 9.5 -2.8 42% 8 76.94 0.0
10 13:35 NW 17 G 26 16.09 Partly Cloudy SCT043 8.3 -3.5 44% 6 76.94 0.0
10 13:15 W 7 16.09 Partly Cloudy SCT041 8.5 -3.2 44% 8 76.94 0.0
10 12:55 N 15 G 28 16.09 Mostly Cloudy BKN041 BKN047 8.6 -2.9 8.6 4.1 45% 6 76.91 0.0
10 12:35 NW 15 16.09 Overcast SCT036 OVC041 8.5 -1.9 48% 6 76.91 0.0
10 12:15 NW 19 16.09 Mostly Cloudy SCT036 BKN043 8.4 -1.8 49% 6 76.91 0.0
10 11:55 N 13 16.09 Overcast BKN034 OVC042 8.1 -0.9 53% 6 76.91 0.0
10 11:35 NW 9 16.09 Overcast OVC032 7.7 -0.2 58% 6 76.91 0.0
10 11:15 NW 9 16.09 Overcast SCT028 SCT035 OVC050 6.8 -0.8 59% 5 76.91 0.0
10 10:55 NW 13 16.09 Overcast SCT027 OVC050 6.8 -0.1 62% 5 76.91 0.0
10 10:35 N 13 16.09 Overcast BKN025 BKN030 OVC050 6.3 0 64% 4 76.89 0.0
10 10:15 NW 11 16.09 Overcast OVC025 6.2 0.1 65% 4 76.86 0.0
10 09:55 N 17 16.09 Overcast BKN025 BKN029 OVC049 6 0 66% 3 76.86 0.0
10 09:35 NW 9 16.09 Overcast SCT025 OVC049 6.1 0 65% 4 76.84 0.0
10 09:15 N 11 16.09 Overcast OVC049 5.7 0 67% 4 76.81 0.0
10 08:55 NW 9 16.09 Overcast OVC049 5.2 0.1 70% 3 76.78 0.0
10 08:35 NW 11 16.09 Overcast OVC049 5 0.8 75% 3 76.78 0.0
10 08:15 N 6 16.09 Overcast SCT034 OVC047 4.6 0.7 76% 76.78 0.0
10 07:55 Calm 16.09 Overcast OVC032 4.5 0.5 76% 76.78 0.0
10 07:35 Calm 16.09 Overcast OVC030 4.4 0.2 74% 76.78 0.0
10 07:15 Calm 16.09 Overcast OVC030 4.3 0.1 74% 76.76 0.0
10 06:55 N 6 16.09 Overcast OVC035 4.2 0.7 5.7 4.2 78% 76.73 0.0 0.03
10 06:35 Calm 16.09 Overcast OVC037 4.3 0.8 78% 76.71 0.0
10 06:15 NW 6 16.09 Overcast OVC037 4.5 1.1 79% 76.68 0.0
10 05:55 Calm 16.09 Overcast OVC041 4.5 1.3 80% 76.66 0.0
10 05:35 NW 7 16.09 Overcast BKN041 OVC065 4.6 1.5 81% 3 76.63 0.0
10 05:15 N 6 16.09 Overcast BKN038 BKN045 OVC065 4.8 2.7 86% 76.61 0.0
10 04:55 NW 7 16.09 Overcast OVC036 5 3 87% 4 76.61 0.0
10 04:35 NW 6 16.09 Overcast OVC036 5 2.9 86% 76.61 0.0
10 04:15 Calm 16.09 Overcast OVC036 5 2.6 85% 76.58 0.0
10 03:55 N 7 16.09 Overcast OVC036 4.9 3.4 90% 3 76.56 0.0 0.03
10 03:35 Calm 16.09 Overcast OVC036 5.1 3.5 90% 76.56 0.0
10 03:15 NW 6 16.09 Overcast OVC038 5.2 3.5 89% 76.56 0.0
10 02:55 Calm 16.09 Overcast OVC038 5.5 3.5 87% 76.58 0.0 0.03
10 02:35 Calm 16.09 Overcast OVC040 5.2 3.3 88% 76.58 0.0 0.03
10 02:15 Calm 16.09 Light Rain BKN038 BKN044 OVC050 5.5 3.5 87% 76.58 0.0 0.03
10 01:55 SW 6 16.09 Light Rain OVC036 5.5 3.2 85% 76.61 0.0
10 01:35 Calm 16.09 Overcast OVC034 5.5 3.6 88% 76.61 0.0
10 01:15 Calm 16.09 Light Rain OVC034 5.7 4 89% 76.61 0.0
10 00:55 Calm 16.09 Light Drizzle OVC034 5.7 4 11 5.7 89% 76.58 0.0 0.08
10 00:35 Calm 16.09 Overcast BKN034 OVC065 5.8 3.8 87% 76.58 0.0
10 00:15 Calm 16.09 Light Rain OVC055 6 3.5 84% 76.56 0.0
09 23:55 Calm 16.09 Light Rain SCT025 BKN044 OVC055 6.2 3.5 83% 76.56 0.0 0.08
09 23:35 Calm 11.27 Rain SCT025 BKN029 OVC041 6.6 3.1 79% 76.56 0.0 0.05
09 23:15 Calm 16.09 Light Rain BKN036 BKN046 OVC050 7.3 2.8 73% 76.56 0.0
09 22:55 Calm 16.09 Light Rain SCT035 SCT041 OVC050 7.5 2.6 71% 76.58 0.0
09 22:35 Calm 16.09 Light Rain SCT036 OVC043 8.1 1.7 64% 76.58 0.0
09 22:15 Calm 16.09 Light Drizzle OVC043 8.1 2.1 66% 76.61 0.0
09 21:55 NW 6 16.09 Light Rain BKN043 OVC050 8.3 2.3 66% 76.58 0.0
09 21:35 NE 11 16.09 Rain BKN045 OVC060 8.4 1.6 63% 7 76.58 0.0
09 21:15 Calm 16.09 Light Rain SCT049 BKN065 OVC070 9 0.8 57% 76.61 0.0
09 20:55 Calm 16.09 Overcast SCT070 BKN075 OVC100 8.4 0 56% 76.56 0.0
09 20:35 Calm 16.09 Overcast OVC100 9.2 -0.6 51% 76.56 0.0
09 20:15 Calm 16.09 Mostly Cloudy BKN100 BKN120 9.6 -0.8 49% 76.53 0.0
09 19:55 Calm 16.09 Overcast BKN100 OVC120 10 -1.4 45% 76.5 0.0
09 19:35 Calm 16.09 Overcast BKN090 OVC120 10.3 -1.5 44% 76.5 0.0
09 19:15 N 7 16.09 Overcast OVC100 10.6 -1.1 45% 76.53 0.0
09 18:55 NW 7 16.09 Mostly Cloudy BKN120 11 -1.4 12.2 7.7 42% 76.56 0.0
09 18:35 NW 7 16.09 Partly Cloudy SCT120 11.4 -1.2 42% 76.56 0.0
09 18:15 NW 11 16.09 Fair CLR 11.7 -1.8 39% 76.58 0.0
09 17:55 W 13 16.09 Fair CLR 12 -1.5 39% 76.58 0.0
09 17:35 W 13 16.09 Fair CLR 12 -1.6 39% 76.58 0.0
09 17:15 W 11 16.09 Fair CLR 12 -1.8 39% 76.56 0.0
09 16:55 W 11 16.09 Fair CLR 11.8 -1.5 40% 76.53 0.0
09 16:35 W 7 16.09 Fair CLR 11.8 -1.5 40% 76.5 0.0
09 16:15 W 11 16.09 Fair CLR 11.5 -1 42% 76.5 0.0
09 15:55 W 11 16.09 Fair CLR 11.1 -1.3 42% 76.48 0.0
09 15:35 W 11 16.09 Fair CLR 11.1 -1.1 43% 76.48 0.0
09 15:15 SW 13 16.09 Fair CLR 10.6 -1.4 44% 76.48 0.0
09 14:55 SW 17 16.09 Fair CLR 10.2 -1.1 46% 76.48 0.0
09 14:35 W 6 16.09 Fair CLR 10 -1.3 46% 76.48 0.0
09 14:15 W 15 16.09 Partly Cloudy SCT038 9.8 -1.3 46% 8 76.5 0.0
09 13:55 W 17 G 26 16.09 Partly Cloudy SCT038 9.1 -1.7 47% 7 76.53 0.0
09 13:35 W 15 G 26 16.09 Mostly Cloudy BKN038 9.1 -1.8 47% 7 76.53 0.0
09 13:15 W 17 16.09 Partly Cloudy SCT036 7.9 -2.2 49% 5 76.53 0.0
09 12:55 W 9 G 26 16.09 Mostly Cloudy BKN036 7.8 -2.2 8.2 2.5 50% 6 76.53 0.0
09 12:35 W 17 G 31 16.09 Overcast OVC034 7.2 -2.4 51% 5 76.53 0.0
09 12:15 SW 20 G 33 16.09 Overcast OVC032 6.9 -2.2 53% 4 76.53 0.0
09 11:55 W 9 G 26 16.09 Mostly Cloudy BKN032 6.1 -2.8 53% 4 76.53 0.0
09 11:35 W 17 16.09 Overcast OVC032 6.2 -2.8 53% 3 76.5 0.0
09 11:10 W 22 16.09 Overcast OVC030 5.7 -3.1 54% 2 76.53 0.0
09 10:55 W 22 G 28 16.09 Overcast OVC030 5.4 -2.9 55% 2 76.5 0.0
09 10:35 W 22 G 30 16.09 Overcast OVC030 5.3 -2.7 57% 2 76.48 0.0
09 10:15 W 20 16.09 Overcast OVC028 4.7 -3 58% 1 76.45 0.0
09 09:55 W 20 G 33 16.09 Overcast OVC028 4.6 -3.1 58% 1 76.45 0.0
09 09:35 NW 19 G 31 16.09 Overcast OVC028 4.1 -3.1 60% 0 76.43 0.0
09 09:15 NW 20 G 35 16.09 Overcast OVC028 3.9 -3.2 60% 0 76.4 0.0
09 08:55 NW 20 G 33 16.09 Overcast OVC028 3.5 -3.5 61% -0 76.4 0.0
09 08:35 NW 13 G 31 16.09 Overcast OVC028 3 -3.5 63% 0 76.38 0.0
09 08:15 NW 15 G 28 16.09 Overcast OVC028 3 -3.6 62% -0 76.38 0.0
09 07:55 W 17 G 26 16.09 Overcast OVC030 2.8 -3.8 62% -1 76.35 0.0
09 07:35 W 15 G 28 16.09 Mostly Cloudy BKN030 2.7 -4 62% -1 76.33 0.0
09 07:15 W 15 G 31 16.09 Fair CLR 2.6 -4.1 62% -1 76.33 0.0
09 06:55 W 11 G 26 16.09 Fair CLR 2.5 -4.2 7.5 2.3 62% -0 76.3 0.0
09 06:35 W 9 16.09 Fair CLR 2.4 -4.5 61% 0 76.28 0.0
09 06:15 W 11 16.09 Fair CLR 2.6 -4.6 59% -0 76.23 0.0
09 05:55 W 13 G 28 16.09 Fair CLR 3 -4.8 57% 0 76.2 0.0
09 05:35 W 17 G 30 16.09 Fair CLR 3.3 -4.7 56% -0 76.17 0.0
09 05:15 W 13 G 28 16.09 Fair CLR 3.6 -3.9 58% 1 76.17 0.0
09 04:55 W 19 G 26 16.09 Fair CLR 4.2 -3.2 59% 1 76.15 0.0
09 04:35 W 20 G 44 16.09 Fair CLR 5 -2.9 57% 1 76.12 0.0
09 04:15 W 19 G 28 16.09 Fair CLR 5.6 -0.2 67% 2 76.1 0.0
09 03:55 W 11 16.09 Fair CLR 6.2 -0.2 64% 4 76.07 0.0
09 03:35 W 13 G 28 16.09 Fair CLR 6.8 -0.2 61% 5 76.05 0.0
09 03:15 W 20 G 30 16.09 Fair CLR 7.1 0 61% 4 76.05 0.0
09 02:55 SW 17 G 30 16.09 Fair CLR 7.5 0.5 62% 5 76 0.0
09 02:35 SW 15 16.09 Fair CLR 7.5 1.1 64% 5 76 0.0
09 02:15 SW 13 16.09 Fair CLR 6.7 2.4 74% 4 76 0.0
09 01:55 SW 11 16.09 Fair CLR 6.2 3.4 82% 4 75.97 0.0
09 01:35 SW 9 16.09 Fair CLR 5.7 3.3 85% 4 75.95 0.0
09 01:15 S 11 16.09 Fair CLR 5.3 2.5 82% 3 75.95 0.0
09 00:55 SW 9 16.09 Fair CLR 5.7 2.5 15.6 5.7 80% 4 75.95 0.0 0.23
09 00:35 SW 9 16.09 Fair CLR 6.3 2.7 78% 5 75.95 0.0
09 00:15 SW 9 16.09 Fair CLR 6.3 2 74% 5 75.95 0.0
08 23:55 SW 7 16.09 Fair CLR 8.5 3 69% 8 75.95 0.0
08 23:35 W 9 16.09 Fair CLR 9 4 71% 8 75.95 0.0
08 23:15 SW 13 16.09 Fair CLR 9.6 4.4 70% 8 75.95 0.0
08 22:55 W 9 16.09 Fair CLR 10 4.8 70% 9 75.92 0.0
08 22:35 W 17 G 28 16.09 Partly Cloudy SCT065 10.7 5.2 69% 75.92 0.0
08 22:15 W 19 G 30 16.09 Partly Cloudy SCT018 SCT065 11.4 8.4 82% 75.9 0.0
08 21:55 W 15 G 37 16.09 Partly Cloudy SCT015 SCT022 SCT065 12.2 10.2 88% 75.84 0.0 0.23
08 21:35 SW 17 16.09 Partly Cloudy SCT011 SCT024 SCT070 12.5 11.5 94% 75.82 0.0
08 21:15 SW 11 16.09 Light Drizzle SCT024 BKN070 OVC080 12.6 11.6 94% 75.79 0.0
08 20:55 SW 11 11.27 Light Rain OVC060 12.7 11.5 92% 75.77 0.0 0.1
08 20:35 SW 11 16.09 Light Rain OVC060 12.8 11.5 92% 75.77 0.0 0.05
08 20:15 SW 13 11.27 Light Rain OVC060 13 11.4 90% 75.74 0.0 0.03
08 19:55 SW 17 11.27 Light Rain SCT036 BKN060 OVC075 13.1 11.1 88% 75.74 0.0 0.13
08 19:35 W 19 G 30 11.27 Rain BKN036 BKN044 OVC050 13.4 10.9 85% 75.74 0.0 0.1
08 19:15 W 15 16.09 Rain SCT044 OVC050 14 10 77% 75.72 0.0 0.03
08 18:55 W 20 G 30 11.27 Light Rain OVC055 15.9 8.6 20.4 13.9 62% 75.67 0.0 0.03 0.03
08 18:35 SW 30 G 37 16.09 Rain OVC065 17.7 7 50% 75.62 0.0
08 18:15 SW 22 G 39 16.09 Light Drizzle OVC065 18.6 6 44% 75.59 0.0
08 17:55 SW 39 G 54 16.09 Overcast and Breezy OVC065 18.8 5.8 43% 75.59 0.0
08 17:35 SW 35 G 46 16.09 Overcast and Breezy OVC065 18.8 5.7 42% 75.59 0.0
08 17:15 S 30 G 37 16.09 Overcast OVC065 18.6 5.6 43% 75.59 0.0
08 16:55 S 31 G 52 16.09 Overcast OVC065 19 5.2 40% 75.62 0.0
08 16:35 S 31 G 44 16.09 Overcast OVC065 19.1 5 40% 75.62 0.0
08 16:15 SW 30 G 39 16.09 Overcast OVC065 19 5 40% 75.64 0.0
08 15:55 SW 31 G 50 16.09 Overcast OVC065 19.5 4.1 36% 75.67 0.0
08 15:35 S 37 G 50 16.09 Overcast and Breezy SCT031 OVC065 20 4.1 35% 75.64 0.0
08 15:15 S 46 G 61 11.27 Mostly Cloudy and Windy SCT030 SCT042 BKN065 20.4 3.9 34% 75.67 0.0
08 14:55 SW 44 G 56 16.09 Partly Cloudy and Windy SCT065 19.9 3.6 34% 75.69 0.0
08 14:35 S 30 G 46 16.09 Fair CLR 19.6 3.7 35% 75.74 0.0
08 14:15 S 31 G 43 16.09 Fair CLR 18 3.6 39% 75.77 0.0
08 13:55 S 31 G 44 16.09 Fair CLR 16.8 3.1 40% 75.79 0.0
08 13:35 S 30 G 46 16.09 Fair CLR 15.9 2.7 41% 75.82 0.0
08 13:15 S 22 G 41 16.09 Fair CLR 14.3 2.2 44% 75.9 0.0
08 12:55 S 31 G 41 16.09 Fair CLR 14.2 1.9 14.3 1.3 44% 75.92 0.0
08 12:35 S 26 G 41 16.09 Fair CLR 12.7 1.8 48% 75.95 0.0
08 12:15 S 28 G 35 16.09 Partly Cloudy SCT110 11 1.2 51% 75.97 0.0
08 11:55 S 24 G 35 16.09 Overcast OVC110 10.6 0.7 51% 76.07 0.0
08 11:35 S 30 G 44 16.09 Overcast OVC110 9.5 0.2 53% 6 76.07 0.0
08 11:15 S 26 G 41 16.09 Mostly Cloudy BKN110 8.9 0 54% 6 76.1 0.0
08 10:55 S 33 G 48 16.09 Partly Cloudy and Breezy SCT110 8.1 -0.2 56% 4 76.12 0.0
08 10:35 S 33 G 46 16.09 Mostly Cloudy and Breezy BKN110 7.1 -0.2 60% 3 76.15 0.0
08 09:55 S 24 G 41 16.09 Overcast OVC110 5.8 -0.4 65% 2 76.2 0.0
08 09:35 S 26 G 37 16.09 Mostly Cloudy BKN110 4.9 -0.7 67% 1 76.23 0.0
08 09:15 S 26 G 35 16.09 Mostly Cloudy SCT060 SCT080 BKN120 4 -1 70% -0 76.25 0.0
08 08:55 S 30 G 44 16.09 Overcast OVC080 3.7 -1.1 71% -1 76.25 0.0
08 08:35 S 22 G 31 16.09 Overcast OVC080 3.2 -1.1 74% -1 76.28 0.0
08 08:15 S 20 G 35 16.09 Mostly Cloudy BKN075 BKN090 BKN120 2.9 -1 76% -1 76.3 0.0
08 07:55 S 19 G 31 16.09 Overcast OVC075 2.1 -1.2 79% -2 76.35 0.0
Date Time (cdt) 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)