Weather observations for the past three days for
Chesapeake, Chesapeake Municipal Airport
Metric (Imperial)
Date Time (est) 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.
23 03:55 W 20 G 35 16.09 Overcast SCT016 BKN022 OVC035 0 -1.8 88% -5 75.57 0.0
23 03:35 W 24 G 33 16.09 Overcast BKN014 BKN018 OVC032 0.1 -1.3 90% -5 75.57 0.0
23 03:15 W 22 G 35 16.09 Overcast BKN013 OVC019 0.2 -1 92% -5 75.57 0.0
23 02:55 W 19 G 31 16.09 Overcast OVC013 0.3 -1 91% -4 75.57 0.0
23 02:35 W 26 G 39 16.09 Overcast OVC013 0.3 -1 91% -5 75.54 0.0
23 02:15 W 24 G 35 16.09 Overcast BKN012 OVC018 0.3 -1 91% -5 75.54 0.0
23 01:55 W 22 G 37 16.09 Overcast BKN010 OVC016 0.3 -0.8 92% -5 75.54 0.0
23 01:35 NW 19 G 37 11.27 Light Snow OVC012 0.3 -0.9 92% -4 75.51 0.0
23 01:15 W 28 G 35 8.05 Light Snow BKN010 OVC013 0.2 -0.7 94% -6 75.51 0.0
23 00:55 NW 24 G 37 8.05 Light Snow OVC010 0.2 -0.7 0.8 0 94% -5 75.49 0.0 0.18
23 00:35 W 24 G 33 6.44 Light Snow OVC012 0.5 -0.7 92% -5 75.49 0.0
23 00:15 W 20 G 33 11.27 Light Snow OVC017 0.6 -0.8 90% -4 75.46 0.0
22 23:55 NW 20 G 43 16.09 Light Snow OVC017 0.7 -0.9 89% -4 75.46 0.0
22 23:35 W 24 G 37 16.09 Light Rain OVC017 0.7 -0.8 90% -4 75.46 0.0
22 23:15 NW 28 G 48 16.09 Light Drizzle OVC017 0.7 -0.8 90% -5 75.44 0.0
22 22:55 NW 24 G 35 16.09 Light Rain OVC015 0.6 -0.6 92% -5 75.41 0.0 0.03
22 22:35 NW 26 G 39 11.27 Light Snow BKN009 OVC015 0.4 -0.5 94% -5 75.41 0.0 0.03
22 22:15 NW 19 G 41 4.02 Light Snow BKN007 OVC011 0.2 -0.5 95% -4 75.41 0.0
22 21:55 NW 22 G 33 4.02 Light Snow BKN007 BKN011 0.1 -0.5 96% -5 75.41 0.0 0.03 0.15
22 21:35 NW 19 G 37 2.82 Light Snow OVC007 0.1 -0.5 96% -4 75.41 0.0 0.03
22 21:15 W 20 G 31 4.02 Light Snow OVC007 0.1 -0.5 96% -5 75.39 0.0
22 20:55 NW 17 G 26 4.83 Light Snow BKN007 0.1 -0.3 97% -4 75.39 0.0 0.08
22 20:35 NW 17 G 30 3.22 Light Snow BKN005 0 -0.5 96% -4 75.39 0.0 0.05
22 20:15 NW 19 G 30 3.22 Light Snow BKN005 OVC009 0 -0.5 96% -5 75.36 0.0 0.03
22 19:55 W 22 G 31 4.83 Light Snow BKN007 BKN011 0.1 -0.5 96% -5 75.36 0.0 0.05
22 19:35 NW 17 3.22 Light Snow BKN005 0 -0.5 96% -4 75.36 0.0 0.05
22 19:15 W 13 G 30 3.22 Light Snow OVC005 0.1 -0.5 96% -3 75.36 0.0 0.03
22 18:55 NW 20 G 35 4.83 Rain BKN007 BKN012 0.9 0 5.2 0.9 94% -4 75.39 0.0 0.1 0.3
22 18:35 NW 19 G 33 8.05 Unknown Precip BKN009 BKN014 BKN070 1.5 0.2 91% -3 75.36 0.0 0.08
22 18:15 W 19 G 37 11.27 Light Rain BKN009 OVC022 2.7 1.5 92% -1 75.34 0.0 0.03
22 17:55 NW 19 G 26 8.05 Light Rain BKN009 BKN038 OVC075 3 1.9 93% -1 75.34 0.0 0.08
22 16:15 N 19 G 26 8.05 Heavy Drizzle OVC007 4 3 93% 0 75.31 0.0
22 15:55 N 19 G 30 3.22 Light Rain OVC007 4.2 3.3 94% 1 75.34 0.0 0.03 0.08
22 15:35 N 7 G 28 8.05 Drizzle OVC007 4.2 3.3 94% 3 75.34 0.0
22 15:15 N 11 G 26 8.05 Drizzle OVC007 4.2 3.3 94% 2 75.36 0.0
22 14:55 N 19 G 26 6.44 Rain OVC007 4.5 3.5 93% 1 75.36 0.0 0.03
22 14:35 N 13 G 28 8.05 Drizzle OVC007 4.8 3.8 93% 2 75.39 0.0 0.03
22 14:15 N 19 G 31 8.05 Drizzle OVC005 5 4.1 94% 2 75.41 0.0
22 13:55 N 17 G 30 8.05 Drizzle OVC005 5.1 4.3 95% 2 75.46 0.0 0.03
22 13:35 N 13 6.44 Drizzle OVC005 5 4.2 95% 2 75.46 0.0 0.03
22 12:35 N 17 G 28 11.27 Drizzle OVC007 5.1 4.1 93% 2 75.54 0.0
22 12:15 N 15 16.09 Drizzle OVC007 5.1 4.2 94% 2 75.57 0.0
22 11:55 N 17 G 28 16.09 Drizzle OVC007 5.1 4.2 94% 2 75.59 0.0
22 11:35 N 13 16.09 Drizzle BKN007 OVC011 5.4 4.4 93% 3 75.62 0.0
22 10:55 N 17 G 31 16.09 Drizzle BKN010 OVC032 5.7 4.3 91% 3 75.67 0.0 0.03
22 10:35 NE 17 G 31 16.09 Light Rain OVC010 5.5 4.4 93% 2 75.67 0.0 0.03
22 10:15 NE 20 G 31 16.09 Light Rain BKN008 BKN014 OVC031 5.5 4.3 92% 2 75.67 0.0 0.03
22 09:55 NE 30 G 41 6.44 Rain BKN010 BKN032 OVC075 5.5 4.2 91% 1 75.72 0.0 0.18 0.69
22 09:35 NE 30 G 41 6.44 Rain OVC008 5.9 4.5 91% 2 75.74 0.0 0.1
22 09:15 NE 30 G 43 11.27 Light Rain BKN008 BKN070 OVC080 6.2 5 92% 2 75.74 0.0 0.03
22 08:55 NE 28 4.83 Light Rain BKN008 BKN065 OVC080 6.5 5.3 92% 3 75.74 0.0 0.2
22 08:35 NE 19 G 35 8.05 Rain SCT010 BKN035 BKN045 6.5 5.2 92% 3 75.77 0.0 0.15
22 08:15 NE 31 G 46 8.05 Rain SCT011 SCT033 BKN047 6.2 5 92% 2 75.74 0.0 0.1
22 07:55 NE 24 G 35 8.05 Rain SCT011 BKN050 OVC110 6.1 5 93% 2 75.84 0.0 0.3
22 07:35 NE 22 8.05 Rain SCT032 BKN070 OVC120 6 4.7 91% 2 75.87 0.0 0.23
22 07:15 NE 17 G 37 11.27 Rain SCT031 SCT050 OVC120 6 4.6 91% 3 75.87 0.0 0.1
22 06:55 N 17 G 41 8.05 Rain SCT005 BKN016 BKN080 6.2 4.3 8.2 6.2 88% 3 75.87 0.0 0.18 0.23
22 06:35 NW 17 16.09 Overcast BKN014 OVC023 6.8 4.5 85% 4 75.92 0.0
22 06:15 NE 22 G 35 16.09 Rain OVC023 6.8 4.7 87% 3 75.77 0.0
22 05:55 NE 19 G 31 16.09 Light Drizzle OVC023 7 5 87% 4 75.82 0.0 0.05
22 05:35 E 28 16.09 Rain BKN023 OVC110 7 5.2 88% 3 75.84 0.0 0.05
22 05:15 E 24 G 33 16.09 Light Rain BKN023 OVC110 7.2 5.1 87% 4 75.84 0.0 0.05
22 04:55 NE 20 G 26 16.09 Overcast OVC023 7.5 4.7 83% 4 75.92 0.0
22 04:35 NE 17 16.09 Light Rain BKN025 BKN080 OVC100 7.3 4.8 84% 5 75.92 0.0
22 04:15 E 15 16.09 Light Rain BKN025 BKN080 OVC110 7.8 4.3 79% 6 75.97 0.0
22 03:55 E 17 16.09 Overcast OVC025 8.2 3.9 75% 6 75.97 0.0
22 03:35 NE 15 16.09 Overcast OVC025 8.2 3.9 75% 6 76 0.0
22 03:15 NE 20 16.09 Overcast BKN025 OVC060 8.1 4 76% 5 76.02 0.0
22 02:55 E 11 16.09 Overcast OVC060 8 4.1 77% 6 76.02 0.0
22 02:35 E 15 16.09 Overcast OVC060 8 4 76% 6 76.05 0.0
22 02:15 E 13 16.09 Overcast OVC060 7.8 3.8 76% 6 76.07 0.0
22 01:55 NE 15 16.09 Overcast OVC060 7.8 3.6 75% 6 76.07 0.0
22 01:35 NE 11 16.09 Overcast OVC060 7.7 3.5 75% 6 76.1 0.0
22 01:15 E 11 16.09 Overcast OVC060 7.7 3.5 75% 6 76.15 0.0
22 00:55 NE 11 16.09 Overcast OVC050 7.7 3.2 8 7.4 73% 6 76.15 0.0
22 00:35 NE 9 16.09 Overcast OVC050 7.7 3 72% 6 76.17 0.0
22 00:15 E 11 16.09 Overcast BKN050 OVC075 7.5 2.7 72% 6 76.2 0.0
21 23:55 E 11 16.09 Mostly Cloudy SCT050 BKN075 7.5 2.5 71% 6 76.2 0.0
21 23:35 E 7 16.09 Mostly Cloudy BKN075 7.4 2.3 70% 6 76.23 0.0
21 23:15 E 11 16.09 Overcast OVC075 7.5 2.5 71% 6 76.2 0.0
21 22:55 E 11 16.09 Overcast OVC075 7.6 2.3 69% 6 76.25 0.0
21 22:35 E 7 16.09 Overcast SCT065 OVC075 7.5 2.4 70% 6 76.28 0.0
21 22:15 Calm 16.09 Overcast BKN065 OVC075 7.6 2.2 69% 76.33 0.0
21 21:55 E 7 16.09 Overcast BKN065 OVC075 7.6 2.1 68% 7 76.3 0.0
21 21:35 E 6 16.09 Overcast SCT065 OVC075 7.5 2.3 70% 76.3 0.0
21 21:15 E 7 16.09 Overcast OVC070 7.6 2.2 69% 7 76.33 0.0
21 20:55 Calm 16.09 Overcast OVC070 7.8 2.2 68% 76.33 0.0
21 20:35 E 7 16.09 Overcast OVC070 7.7 2 68% 7 76.33 0.0
21 20:15 E 6 16.09 Overcast OVC070 7.9 1.8 66% 76.33 0.0
21 19:55 E 7 16.09 Overcast OVC080 7.8 1.7 66% 7 76.33 0.0
21 19:35 E 6 16.09 Overcast BKN080 OVC120 7.8 1.5 65% 76.3 0.0
21 19:15 E 6 16.09 Mostly Cloudy SCT070 SCT080 BKN120 7.6 1.5 66% 76.3 0.0
21 18:55 E 6 16.09 Mostly Cloudy SCT075 BKN080 8 1.2 11.6 8 63% 76.28 0.0
21 18:35 E 6 16.09 Overcast SCT050 OVC075 8.1 1 61% 76.28 0.0
21 18:15 Calm 16.09 Partly Cloudy SCT075 8.2 0.2 57% 76.28 0.0
21 17:55 E 11 16.09 Partly Cloudy SCT120 8.7 0 55% 7 76.28 0.0
21 17:35 E 13 16.09 Overcast OVC120 9.7 0.2 52% 8 76.25 0.0
21 17:15 E 11 16.09 Mostly Cloudy BKN120 9.6 0.3 53% 8 76.25 0.0
21 16:55 E 13 16.09 Partly Cloudy SCT120 10 -0.2 49% 8 76.28 0.0
21 16:35 E 13 16.09 Partly Cloudy SCT120 10 0.2 51% 8 76.25 0.0
21 16:15 E 15 16.09 Fair CLR 10.1 -0.1 49% 76.25 0.0
21 15:35 E 15 16.09 Partly Cloudy SCT110 10.8 -1.8 42% 76.23 0.0
21 15:15 E 13 16.09 Mostly Cloudy BKN120 10.8 -0.1 47% 76.23 0.0
21 14:55 E 13 16.09 Mostly Cloudy BKN120 10.7 -0.8 45% 76.2 0.0
21 14:35 NE 17 16.09 Mostly Cloudy SCT090 BKN120 10.9 -0.3 46% 76.2 0.0
21 14:15 E 15 16.09 Mostly Cloudy BKN090 10.8 0 48% 76.17 0.0
21 13:55 E 17 16.09 Overcast SCT065 BKN090 OVC110 11.5 -0.1 45% 76.17 0.0
21 13:35 E 13 16.09 Overcast SCT075 BKN090 OVC120 11 1.1 51% 76.17 0.0
21 13:15 E 17 16.09 Mostly Cloudy SCT026 SCT048 BKN100 10.6 0.5 50% 76.17 0.0
21 12:55 E 13 G 28 16.09 Overcast SCT024 BKN070 OVC100 11.5 1.1 14.9 8.6 49% 76.17 0.0
21 12:35 SE 9 16.09 Overcast OVC110 11.4 1.4 51% 76.17 0.0
21 12:15 E 19 G 30 16.09 Mostly Cloudy BKN100 BKN120 11.6 1.6 51% 76.2 0.0
21 11:55 E 19 G 30 16.09 Fair CLR 12.7 2.1 49% 76.2 0.0
21 11:35 E 15 16.09 Fair CLR 13.6 3.5 51% 76.2 0.0
21 11:15 NE 15 16.09 Partly Cloudy SCT100 14.5 0.3 38% 76.2 0.0
21 10:55 N 6 16.09 Mostly Cloudy BKN100 13.6 2 46% 76.2 0.0
21 10:35 Calm 16.09 Overcast BKN100 OVC120 13.1 2.9 50% 76.2 0.0
21 10:15 Calm 16.09 Mostly Cloudy BKN110 13.2 2.1 47% 76.2 0.0
21 09:55 Calm 16.09 Overcast BKN090 OVC120 12.6 3 52% 76.25 0.0
21 09:35 Calm 16.09 Overcast SCT075 OVC090 12.1 2.5 52% 76.28 0.0
21 09:15 SW 6 16.09 Overcast OVC100 11.6 3.4 57% 76.23 0.0
21 08:55 S 9 16.09 Overcast OVC100 10.5 5.5 71% 76.15 0.0
21 08:35 Calm 16.09 Light Rain SCT050 SCT070 OVC110 11.4 1.2 50% 76.12 0.0
21 08:15 N 6 16.09 Overcast OVC100 11.2 1.7 52% 76.1 0.0
21 07:55 N 6 16.09 Overcast OVC100 10.1 4.9 70% 76.07 0.0
21 07:35 Calm 16.09 Overcast SCT070 SCT080 OVC100 11.1 2.3 55% 76.07 0.0
21 07:15 Calm 16.09 Overcast SCT065 SCT080 OVC110 9.1 6.1 82% 76.05 0.0
21 06:55 Calm 16.09 Overcast OVC110 9.7 5.2 13.7 6.3 74% 76.05 0.0
21 06:35 Calm 16.09 Light Rain OVC120 9.2 5.6 78% 76 0.0
21 06:15 Calm 16.09 Mostly Cloudy BKN120 11 3.1 59% 75.97 0.0
21 05:55 Calm 16.09 Overcast OVC120 12 1.7 50% 75.97 0.0
21 05:35 W 7 16.09 Mostly Cloudy BKN120 12 2.6 53% 75.95 0.0
21 05:15 NW 6 16.09 Partly Cloudy SCT120 12.2 2.4 51% 75.87 0.0
21 04:55 W 7 16.09 Partly Cloudy SCT120 11.7 3.1 56% 75.87 0.0
21 04:35 W 7 16.09 Mostly Cloudy BKN120 11.6 3.6 58% 75.84 0.0
21 04:15 W 9 16.09 Partly Cloudy SCT120 10.2 4.5 68% 75.82 0.0
21 03:55 W 6 16.09 Fair CLR 7.7 5.5 86% 75.82 0.0
21 03:35 Calm 16.09 Fair CLR 7.7 5.4 86% 75.79 0.0
21 03:15 Calm 16.09 Fair CLR 7.8 5.6 86% 75.77 0.0
21 02:55 Calm 16.09 Fair CLR 6.9 5.1 88% 75.77 0.0
21 02:35 Calm 16.09 Fair CLR 8.8 4.1 73% 75.74 0.0
21 02:15 SW 6 16.09 Fair CLR 9.9 5.1 72% 75.74 0.0
21 01:55 Calm 16.09 Fair CLR 10.7 5.3 70% 75.74 0.0
21 01:35 Calm 16.09 Fair CLR 11.8 5.3 65% 75.72 0.0
21 01:15 SW 7 16.09 Fair CLR 12.6 5.4 62% 75.72 0.0
21 00:55 W 9 16.09 Fair CLR 13.9 6 16.5 13 59% 75.72 0.0
21 00:35 SW 7 16.09 Fair CLR 13.9 6.7 62% 75.72 0.0
21 00:15 SW 9 16.09 Fair CLR 13 7.3 69% 75.69 0.0
20 23:55 SW 9 16.09 Fair CLR 13.5 7.6 68% 75.69 0.0
20 23:35 SW 9 16.09 Fair CLR 13.7 8.4 71% 75.67 0.0
20 23:15 SW 9 16.09 Fair CLR 14.4 8.7 69% 75.64 0.0
20 22:55 SW 7 16.09 Fair CLR 14.4 9 70% 75.62 0.0
20 22:35 SW 11 16.09 Fair CLR 15.3 9.4 68% 75.62 0.0
20 22:15 SW 11 16.09 Fair CLR 15.3 9.5 69% 75.62 0.0
20 21:55 SW 9 16.09 Fair CLR 15.4 9.7 69% 75.59 0.0
20 21:35 SW 11 16.09 Fair CLR 15.6 9.7 68% 75.59 0.0
20 21:15 SW 11 16.09 Fair CLR 16.2 9.6 65% 75.57 0.0
20 20:55 SW 11 16.09 Fair CLR 15.6 9.6 68% 75.54 0.0
20 20:35 SW 9 16.09 Fair CLR 16.1 9.6 66% 75.51 0.0
20 20:15 SW 7 16.09 Fair CLR 15.8 9.5 66% 75.51 0.0
20 19:55 SW 7 16.09 Fair CLR 16.1 9.6 66% 75.49 0.0
20 19:35 SW 9 16.09 Fair CLR 16.1 10 67% 75.49 0.0
20 19:15 SW 11 16.09 Fair CLR 16.5 10.7 69% 75.49 0.0
20 18:55 SW 11 16.09 Fair CLR 15.5 11.6 18.3 13.1 78% 75.46 0.0
20 18:35 SW 6 16.09 Fair CLR 15.5 11.8 79% 75.44 0.0
20 18:15 SW 6 16.09 Fair CLR 16.2 12 76% 75.41 0.0
20 17:55 SW 7 16.09 Fair CLR 16.2 12.1 77% 75.41 0.0
20 17:35 SW 9 16.09 Fair CLR 17 12 73% 75.41 0.0
20 17:15 SW 11 16.09 Fair CLR 17.7 12.1 70% 75.39 0.0
20 16:55 SW 13 16.09 Fair CLR 18.2 12.2 68% 75.39 0.0
20 16:35 SW 13 16.09 Fair CLR 18.3 12.4 69% 75.36 0.0
20 16:15 SW 13 16.09 Fair CLR 18.1 12.6 70% 75.34 0.0
20 15:15 SW 11 16.09 Fair CLR 16.5 12.8 79% 75.31 0.0
20 14:55 SW 15 16.09 Partly Cloudy SCT095 SCT110 16.1 13 82% 75.31 0.0
20 14:35 SW 9 16.09 Light Rain SCT075 OVC110 15.2 12.6 85% 75.31 0.0
20 14:15 SW 17 G 26 16.09 Overcast OVC110 15.6 12.6 82% 75.39 0.0
20 13:55 SW 17 16.09 Overcast OVC110 15.5 12.7 84% 75.34 0.0
20 13:35 SW 15 16.09 Overcast SCT009 OVC120 15.3 12.6 84% 75.36 0.0
20 13:15 SW 15 16.09 Mostly Cloudy SCT007 SCT070 BKN110 14.3 12.2 87% 75.39 0.0
20 12:55 S 15 16.09 Mostly Cloudy BKN005 BKN008 BKN060 12.8 12 15.4 9.3 95% 75.44 0.0
20 12:35 Calm 11.27 Overcast OVC003 11 10 94% 75.49 0.0
20 12:15 NW 11 4.83 Fog/Mist OVC003 12 11.1 94% 75.54 0.0
20 11:55 NW 17 G 28 6.44 Fog/Mist OVC005 12.9 11.9 94% 75.54 0.0
20 11:35 W 17 8.05 Fog/Mist BKN005 OVC009 14.3 13.1 93% 75.51 0.0
20 11:15 W 13 16.09 Overcast OVC010 15.4 14.1 92% 75.49 0.0
20 10:55 SW 9 11.27 Overcast BKN008 OVC022 15.1 14.5 96% 75.41 0.0
20 10:35 SW 9 8.05 Fog/Mist OVC006 14 13.3 96% 75.44 0.0
20 10:15 SW 11 8.05 Fog/Mist OVC004 13.7 13.1 96% 75.44 0.0
20 09:55 S 13 4.02 Fog/Mist OVC002 12.6 12.1 97% 75.41 0.0
20 09:35 S 9 2.82 Fog/Mist OVC002 12.1 11.6 97% 75.44 0.0
20 09:15 S 11 1.61 Fog/Mist OVC002 11.6 11 96% 75.46 0.0
20 08:55 S 7 1.61 Fog/Mist OVC002 11.2 10.6 96% 75.49 0.0
20 08:35 S 9 0.80 Fog OVC002 10.7 10.2 97% 75.49 0.0
20 08:15 SE 6 0.40 Fog OVC002 10.3 9.7 96% 75.49 0.0
20 07:55 Calm 0.40 Fog OVC002 10.1 9.5 96% 75.51 0.0
20 07:35 SE 6 0.80 Fog OVC002 9.7 9.2 97% 75.49 0.0
20 07:15 SE 7 1.61 Fog/Mist OVC002 9.5 9 97% 9 75.46 0.0
20 06:55 SE 7 2.41 Fog/Mist OVC002 9.3 8.8 9.3 8.5 97% 9 75.49 0.0
20 06:35 S 6 8.05 Fog/Mist OVC004 9.1 8.6 97% 75.54 0.0
20 06:15 Calm 11.27 Overcast OVC004 9 8.5 97% 75.54 0.0
20 05:55 SE 6 11.27 Overcast OVC004 9 8.5 97% 75.57 0.0
20 05:35 SE 6 11.27 Overcast OVC002 9 8.5 97% 75.59 0.0
20 05:15 Calm 4.83 Fog/Mist OVC002 8.9 8.3 96% 75.59 0.0
20 04:55 E 6 1.61 Fog/Mist OVC002 8.9 8.3 96% 75.59 0.0
20 04:35 Calm 0.80 Fog OVC002 8.7 8.2 97% 75.64 0.0
20 04:15 Calm 0.80 Fog OVC002 8.7 8.2 97% 75.62 0.0
20 03:55 NE 6 1.21 Fog/Mist OVC002 8.9 8.3 96% 75.64 0.0
Date Time (est) 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)