National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
Cambridge 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.
13 01:15 NW 6 16.09 Fair CLR 13.8 9.6 76% 75.31 0.0
13 00:55 NW 6 16.09 Fair CLR 14.8 9.5 26 14.8 71% 75.29 0.0
13 00:35 W 6 16.09 Fair CLR 15.2 9.5 69% 75.26 0.0
13 00:15 W 7 16.09 Fair CLR 15.6 9.5 67% 75.21 0.0
12 23:55 NW 9 16.09 Fair CLR 16 9.5 66% 75.18 0.0
12 23:35 NW 9 16.09 Fair CLR 16.8 9.5 62% 75.16 0.0
12 23:15 NW 13 16.09 Fair CLR 17.5 9.6 60% 75.13 0.0
12 22:55 NW 13 16.09 Fair CLR 18 9.7 59% 75.13 0.0
12 22:35 NW 17 16.09 Fair CLR 18.7 9.7 56% 75.11 0.0
12 22:15 NW 19 16.09 Fair CLR 19.3 9.6 54% 75.08 0.0
12 21:55 NW 13 16.09 Fair CLR 19.7 10.2 54% 75.06 0.0
12 21:35 NW 19 16.09 Fair CLR 20.1 10.1 53% 75.03 0.0
12 21:15 NW 15 16.09 Fair CLR 20.7 10 50% 75.01 0.0
12 20:55 NW 19 G 30 16.09 Fair CLR 21.5 10 48% 74.96 0.0
12 20:35 NW 19 G 30 16.09 Fair CLR 22.1 10.1 47% 74.93 0.0
12 20:15 W 11 G 33 14.48 Fair CLR 22.8 9.7 43% 74.9 0.0
12 19:55 W 13 G 28 14.48 Fair CLR 24.7 7.8 34% 25 74.85 0.0
12 19:35 W 13 G 28 12.87 Fair CLR 25.2 7.6 33% 26 74.83 0.0
12 19:15 W 26 G 35 14.48 Fair CLR 25.8 7.4 31% 26 74.8 0.0
12 18:55 SW 17 G 30 14.48 Fair CLR 26.2 6.7 28.3 23 29% 26 74.78 0.0
12 18:35 W 20 G 30 14.48 Fair CLR 26.6 6.6 28% 26 74.78 0.0
12 18:15 SW 13 14.48 Fair CLR 27.4 5 24% 26 74.75 0.0
12 17:55 SW 17 G 28 16.09 Fair CLR 27.1 4.4 23% 26 74.75 0.0
12 17:35 SW 13 G 43 16.09 A Few Clouds FEW360 27.3 4.2 23% 26 74.75 0.0
12 17:15 W 26 G 43 16.09 Fair CLR 28 4.3 22% 27 74.75 0.0
12 16:55 SW 28 G 43 16.09 Partly Cloudy SCT090 27.7 6.4 26% 27 74.75 0.0
12 16:35 SW 26 G 43 16.09 Mostly Cloudy BKN090 27.5 7.2 28% 27 74.73 0.0
12 16:15 SW 26 G 52 16.09 A Few Clouds FEW085 27.2 8.2 30% 27 74.75 0.0
12 15:55 SW 24 G 44 16.09 Partly Cloudy SCT065 27.9 10.1 33% 27 74.75 0.0
12 15:35 SW 24 G 39 16.09 Mostly Cloudy BKN065 27.1 12.8 41% 27 74.75 0.0
12 15:15 S 31 G 46 16.09 Mostly Cloudy BKN060 26.8 13.2 43% 27 74.73 0.0
12 14:55 SW 26 G 39 16.09 A Few Clouds FEW050 27 14.3 46% 27 74.75 0.0
12 14:35 SW 33 G 46 16.09 A Few Clouds and Breezy FEW043 26.2 15 50% 27 74.75 0.0
12 14:15 SW 20 G 43 16.09 Partly Cloudy SCT039 25.7 15.9 55% 26 74.75 0.0
12 13:55 S 30 G 43 16.09 Mostly Cloudy BKN036 BKN045 24.5 16.2 60% 26 74.78 0.0
12 13:35 S 26 G 39 16.09 Mostly Cloudy FEW030 BKN036 BKN045 24.1 16.4 62% 25 74.78 0.0
12 13:15 S 24 G 37 16.09 Mostly Cloudy SCT030 BKN040 23.4 16.8 67% 74.8 0.0
12 12:55 SW 17 G 33 14.48 Overcast BKN026 OVC032 22.2 16.9 22.2 11.9 72% 74.85 0.0
12 12:35 S 26 G 46 16.09 Overcast OVC028 21.6 16.5 73% 74.88 0.0
12 12:15 S 24 G 35 16.09 Overcast BKN022 OVC028 21.4 16.9 76% 74.9 0.0
12 11:55 S 20 16.09 Mostly Cloudy BKN020 20.6 17 80% 74.96 0.0
12 11:35 S 19 16.09 Mostly Cloudy BKN019 BKN025 19.6 16.7 83% 74.96 0.0
12 11:15 S 15 16.09 Mostly Cloudy BKN018 18.6 16.5 88% 74.98 0.0
12 10:55 S 15 16.09 Overcast OVC016 17.2 15.9 92% 75.03 0.0
12 10:35 S 15 16.09 Mostly Cloudy BKN016 16.8 15.6 93% 75.03 0.0
12 10:15 S 19 16.09 Mostly Cloudy BKN015 16.5 15.4 93% 75.06 0.0
12 09:55 S 17 16.09 Mostly Cloudy BKN014 15.8 14.8 94% 75.06 0.0
12 09:35 S 19 16.09 Mostly Cloudy BKN015 15.7 14.8 94% 75.06 0.0
12 09:15 S 17 16.09 Overcast OVC015 15.2 14.4 95% 75.08 0.0
12 08:55 S 17 16.09 Overcast OVC015 14.2 13.7 97% 75.13 0.0
12 08:35 S 15 16.09 Overcast FEW010 OVC016 13.8 13.4 97% 75.16 0.0
12 08:15 SE 20 16.09 Mostly Cloudy FEW010 BKN018 13.4 13 97% 75.16 0.0
12 07:55 SE 11 16.09 Overcast OVC018 12.7 12.4 98% 75.18 0.0
12 07:35 SE 11 16.09 Overcast SCT006 OVC018 12.2 12.1 99% 75.21 0.0
12 07:15 SE 13 14.48 Overcast BKN006 OVC018 11.9 11.7 99% 75.21 0.0
12 06:55 SE 17 14.48 Overcast BKN006 OVC013 11.8 11.6 11.8 8.1 99% 75.21 0.0 0.03
12 06:35 SE 17 16.09 Overcast BKN006 OVC012 11.6 11.5 99% 75.23 0.0
12 06:15 SE 17 12.87 Overcast BKN007 OVC012 11.2 11.1 99% 75.26 0.0
12 05:55 SE 13 11.27 Overcast OVC007 10.8 10.6 99% 75.29 0.0
12 05:35 SE 15 11.27 Overcast OVC006 10.4 10.4 100% 75.29 0.0
12 05:15 SE 13 11.27 Overcast OVC005 10.1 10.1 100% 75.34 0.0
12 04:55 SE 13 12.87 Overcast OVC005 9.8 9.6 99% 8 75.36 0.0
12 04:35 Vrbl 7 16.09 Overcast OVC005 9.5 9.4 99% 9 75.39 0.0
12 04:15 SE 9 14.48 Overcast OVC005 9.3 9.2 99% 8 75.41 0.0
12 03:55 SE 15 12.87 Overcast OVC004 9.1 9.1 100% 7 75.46 0.0 0.03
12 03:35 SE 17 12.87 Overcast OVC003 9 9 100% 7 75.46 0.0
12 03:15 SE 13 12.87 Mostly Cloudy BKN003 8.5 8.5 100% 7 75.51 0.0
12 02:55 SE 9 11.27 Overcast OVC003 8.4 8.4 100% 7 75.57 0.0
12 02:35 SE 13 11.27 Overcast OVC003 8.4 8.4 100% 7 75.59 0.0
12 02:15 SE 15 11.27 Overcast OVC003 8.3 8.3 100% 6 75.64 0.0
12 01:55 SE 17 9.66 Fog/Mist OVC003 8.1 8.1 100% 6 75.67 0.0 0.03
12 01:35 SE 15 9.66 Fog/Mist OVC003 8.2 8.2 100% 6 75.69 0.0 0.03
12 01:15 SE 17 9.66 Fog/Mist OVC004 8.2 8.2 100% 6 75.74 0.0 0.03
12 00:55 S 20 11.27 Overcast OVC004 8.1 8 8.1 6.4 99% 5 75.77 0.0 0.05
12 00:35 SE 22 12.87 Overcast OVC004 8.1 7.9 99% 5 75.77 0.0
12 00:15 S 20 11.27 Light Rain OVC004 7.9 7.9 100% 5 75.79 0.0
11 23:55 SE 24 G 30 9.66 Light Rain Fog/Mist OVC003 7.8 7.7 99% 5 75.84 0.0 0.03
11 23:35 SE 19 11.27 Light Rain OVC004 7.8 7.7 99% 5 75.87 0.0 0.03
11 23:15 SE 17 11.27 Overcast OVC004 7.7 7.6 99% 5 75.9 0.0
11 22:55 SE 20 G 35 12.87 Overcast OVC004 7.8 7.6 99% 5 75.95 0.0
11 22:35 S 20 11.27 Overcast OVC004 7.7 7.6 99% 5 75.97 0.0
11 22:15 SE 19 11.27 Overcast OVC004 7.5 7.4 99% 5 75.97 0.0
11 21:55 SE 20 12.87 Overcast OVC003 7.5 7.2 98% 4 76 0.0 0.03 0.03
11 21:35 SE 22 11.27 Light Rain OVC003 7.4 7.1 98% 4 76.02 0.0 0.03
11 21:15 SE 20 12.87 Light Rain OVC005 7.5 6.9 96% 4 76.02 0.0
11 20:55 SE 20 16.09 Overcast OVC006 7.3 6.7 96% 4 76.05 0.0
11 20:35 SE 13 16.09 Overcast OVC006 7 6.4 96% 5 76.07 0.0
11 20:15 SE 11 16.09 Mostly Cloudy BKN008 6.8 6.2 96% 5 76.07 0.0
11 19:55 SE 13 14.48 Overcast OVC010 6.6 5.9 95% 4 76.1 0.0
11 19:35 SE 13 16.09 Overcast OVC009 6.6 5.9 95% 4 76.12 0.0
11 19:15 SE 11 16.09 Overcast OVC009 6.5 5.6 94% 5 76.12 0.0
11 18:55 SE 11 14.48 Overcast OVC010 6.4 5.5 7.9 5.8 94% 4 76.15 0.0 0.05 0.25
11 18:35 SE 15 14.48 Overcast OVC011 6.5 5.4 93% 4 76.17 0.0 0.05
11 18:15 SE 15 14.48 Overcast BKN012 OVC019 6.4 5.3 93% 4 76.2 0.0 0.05
11 17:55 SE 17 9.66 Light Rain Fog/Mist FEW012 OVC021 6.2 5.2 93% 3 76.25 0.0 0.03
11 17:35 SE 13 9.66 Light Rain Fog/Mist FEW014 BKN022 OVC028 6.2 4.9 91% 4 76.28 0.0 0.03
11 17:15 SE 13 12.87 Light Rain OVC028 6.6 4.5 87% 4 76.3 0.0
11 16:55 SE 15 16.09 Overcast OVC031 6.8 4.5 85% 4 76.33 0.0
11 16:35 Vrbl 11 16.09 Overcast OVC033 6.4 4.3 87% 4 76.35 0.0
11 16:15 Vrbl 9 14.48 Overcast OVC036 6.2 4.4 88% 5 76.43 0.0
11 15:55 Vrbl 6 16.09 Overcast OVC041 5.9 4 88% 76.5 0.0 0.13 0.18
11 15:35 SE 11 11.27 Overcast OVC042 5.9 3.8 87% 4 76.53 0.0 0.13
11 15:15 SE 9 4.83 Light Rain BKN043 OVC060 6 3.5 84% 4 76.58 0.0 0.08
11 14:55 SE 15 12.87 Overcast OVC043 6.2 3.3 82% 4 76.61 0.0 0.05
11 14:35 SE 11 8.05 Light Rain OVC043 6.1 3.2 82% 4 76.58 0.0 0.05
11 14:15 SE 20 9.66 Light Rain OVC049 7 1.6 69% 4 76.66 0.0
11 13:55 SE 17 14.48 Overcast OVC055 7.7 1 63% 5 76.66 0.0
11 13:35 SE 13 16.09 Overcast OVC060 7.3 1.1 65% 5 76.68 0.0
11 13:15 SE 11 14.48 Overcast OVC060 7.3 0.9 64% 5 76.71 0.0
11 12:55 E 9 14.48 Overcast OVC049 6.9 0.8 7.7 -1.4 65% 5 76.76 0.0
11 12:35 SE 11 14.48 Overcast OVC050 7.1 0.7 64% 5 76.81 0.0
11 12:15 SE 15 14.48 Mostly Cloudy BKN055 6.8 1 67% 4 76.84 0.0
11 11:55 S 19 12.87 Mostly Cloudy BKN060 7.1 0 61% 4 76.89 0.0
11 11:35 SE 17 14.48 Overcast OVC060 7.4 -0.2 59% 5 76.91 0.0
11 11:15 S 15 14.48 Overcast FEW044 BKN065 OVC085 7.3 0 60% 5 76.89 0.0
11 10:55 S 13 14.48 Overcast FEW050 OVC070 7.1 -0.3 60% 5 76.91 0.0
11 10:35 SE 11 12.87 Overcast FEW033 SCT041 OVC070 7.1 0.1 61% 5 76.91 0.0
11 10:15 SE 9 14.48 Overcast SCT032 SCT041 BKN049 BKN065 OVC080 6.6 0.2 64% 5 76.94 0.0
11 09:55 SE 9 14.48 Mostly Cloudy BKN080 6.5 0.2 64% 5 76.96 0.0
11 09:35 S 13 12.87 Overcast OVC085 6.6 0.1 64% 4 76.96 0.0
11 09:15 SE 11 12.87 Overcast OVC085 6 0.4 68% 4 76.94 0.0
11 08:55 Calm 14.48 Overcast OVC085 4 0 75% 76.96 0.0
11 08:35 Calm 12.87 Mostly Cloudy BKN085 3 -0.2 80% 76.99 0.0
11 08:15 Calm 14.48 Overcast OVC090 2 0 87% 76.99 0.0
11 07:55 Calm 12.87 Overcast FEW035 OVC095 0.8 -0.7 90% 76.99 0.0
11 07:35 Calm 12.87 Overcast FEW034 OVC090 -0.2 -1.3 92% 77.01 0.0
11 07:15 Calm 12.87 Mostly Cloudy FEW070 BKN095 BKN130 -0.7 -1.9 92% 77.01 0.0
11 06:55 Calm 11.27 Overcast OVC100 -1.6 -2.6 0.6 -3.2 93% 77.01 0.0
11 06:35 Calm 12.87 Overcast BKN100 OVC130 -2.1 -3 94% 76.99 0.0
11 06:15 Calm 12.87 Mostly Cloudy SCT110 BKN140 -2.7 -3.5 94% 76.99 0.0
11 05:55 Calm 14.48 Fair CLR -2.8 -3.8 93% 76.99 0.0
11 05:35 Calm 14.48 Fair CLR -2.6 -3.1 96% 76.99 0.0
11 05:15 Calm 16.09 Fair CLR -2.5 -3.9 90% 76.99 0.0
11 04:55 Calm 14.48 Fair CLR -3 -4.2 92% 76.99 0.0
11 04:35 Calm 14.48 Fair CLR -2.3 -3.2 94% 76.99 0.0
11 04:15 Calm 14.48 Fair CLR -2.2 -2.9 95% 77.01 0.0
11 03:55 Calm 14.48 Fair CLR -2.2 -2.9 95% 77.01 0.0
11 03:35 Calm 14.48 A Few Clouds FEW370 -2.2 -3 94% 77.04 0.0
11 03:15 Calm 16.09 Fair CLR -1.4 -3.2 88% 77.04 0.0
11 02:55 Calm 14.48 Fair CLR -1.4 -3.4 86% 77.04 0.0
11 02:35 Calm 16.09 Fair CLR -1.2 -3.4 85% 77.04 0.0
11 02:15 Calm 16.09 Fair CLR -1.6 -3.6 86% 77.04 0.0
11 01:55 Calm 16.09 Fair CLR -1 -3.6 83% 77.04 0.0
11 01:35 Calm 16.09 Fair CLR 0.2 -3 79% 77.04 0.0
11 01:15 Calm 16.09 Fair CLR -0.6 -3.4 82% 77.04 0.0
11 00:55 Calm 16.09 Fair CLR 0.2 -2.5 11.1 0.2 82% 77.04 0.0
11 00:35 Calm 16.09 Fair CLR 1.2 -2.7 76% 77.04 0.0
11 00:15 N 6 16.09 Fair CLR 0.6 -2.7 79% 77.04 0.0
10 23:55 Calm 16.09 Fair CLR 0.6 -2 83% 77.04 0.0
10 23:35 Calm 16.09 Fair CLR 1 -3 75% 77.01 0.0
10 23:15 Calm 16.09 Fair CLR 1.3 -1 85% 77.01 0.0
10 22:55 Calm 16.09 Fair CLR 1.5 -1.2 82% 77.01 0.0
10 22:35 Calm 16.09 Fair CLR 2.3 -1.1 79% 77.04 0.0
10 22:15 Calm 16.09 Fair CLR 2.6 -1.6 74% 77.01 0.0
10 21:55 Calm 16.09 Fair CLR 3.5 -1.4 71% 77.01 0.0
10 21:35 Calm 16.09 Fair CLR 4.3 -1.2 68% 77.01 0.0
10 21:15 Calm 16.09 Fair CLR 4.5 -0.7 69% 77.01 0.0
10 20:55 Calm 16.09 Fair CLR 5.4 -1.4 62% 76.99 0.0
10 20:35 Calm 16.09 Fair CLR 6.5 -2.6 53% 76.99 0.0
10 20:15 Calm 16.09 Fair CLR 8.3 -3.5 44% 76.99 0.0
10 19:55 NW 7 16.09 Fair CLR 9.4 -3.5 40% 9 76.96 0.0
10 19:35 NW 11 16.09 Fair CLR 9.9 -3.5 39% 9 76.96 0.0
10 19:15 NW 13 16.09 Fair CLR 10.8 -3.5 37% 76.96 0.0
10 18:55 NW 13 16.09 Fair CLR 11.3 -3.6 12.3 8.3 35% 76.99 0.0
10 18:35 W 17 16.09 Fair CLR 11.4 -3.9 34% 76.99 0.0
10 18:15 W 17 16.09 Fair CLR 11.7 -3.2 35% 76.99 0.0
10 17:55 NW 17 16.09 A Few Clouds FEW060 11.9 -3.6 34% 76.96 0.0
10 17:35 NW 19 16.09 A Few Clouds FEW060 12.3 -3.1 34% 76.96 0.0
10 17:15 NW 19 16.09 A Few Clouds FEW060 12.1 -3.3 34% 76.99 0.0
10 16:55 W 19 16.09 A Few Clouds FEW060 11.8 -3.4 35% 76.99 0.0
10 16:35 NW 17 G 28 16.09 Fair CLR 11.8 -3.7 34% 76.99 0.0
10 16:15 NW 15 16.09 A Few Clouds FEW060 11.4 -3.6 35% 76.99 0.0
10 15:55 W 17 16.09 A Few Clouds FEW060 11.8 -3.6 34% 77.01 0.0
10 15:35 W 11 G 28 16.09 A Few Clouds FEW055 11.1 -4 35% 77.01 0.0
10 15:15 W 15 G 33 16.09 A Few Clouds FEW055 11.3 -3.8 35% 77.04 0.0
10 14:55 NW 20 G 31 16.09 Fair CLR 10.7 -3.8 36% 77.04 0.0
10 14:35 SW 13 G 28 16.09 Fair CLR 10.4 -4 36% 77.04 0.0
10 14:15 NW 13 16.09 Fair CLR 9.7 -3.8 39% 8 77.06 0.0
10 13:55 W 13 16.09 Fair CLR 9.6 -4.1 38% 8 77.06 0.0
10 13:35 W 13 16.09 Fair CLR 9.7 -4.2 38% 8 77.06 0.0
10 13:15 NW 13 16.09 Fair CLR 8.6 -4.6 39% 7 77.09 0.0
10 12:55 W 13 16.09 Fair CLR 7.8 -4.6 8.3 -1.2 41% 6 77.09 0.0
10 12:35 W 13 16.09 Fair CLR 7.6 -4.4 43% 6 77.09 0.0
10 12:15 W 6 16.09 Fair CLR 6.6 -4.5 45% 77.11 0.0
10 11:55 NW 13 16.09 Fair CLR 6 -4.7 47% 4 77.11 0.0
10 11:35 NW 9 16.09 Fair CLR 5.5 -4.7 48% 4 77.11 0.0
10 11:15 NW 15 16.09 Fair CLR 5.1 -4.6 50% 2 77.11 0.0
10 10:55 Vrbl 11 16.09 Fair CLR 4.6 -4.6 52% 2 77.11 0.0
10 10:35 NW 6 16.09 Fair CLR 3.6 -5 54% 77.11 0.0
10 10:15 N 7 16.09 Fair CLR 3.4 -5.1 54% 2 77.09 0.0
10 09:55 Vrbl 6 16.09 Fair CLR 2.4 -5.6 56% 77.06 0.0
10 09:35 Vrbl 7 16.09 Fair CLR 2 -5.8 57% 0 77.09 0.0
10 09:15 N 9 16.09 Fair CLR 1.8 -5.7 58% -1 77.09 0.0
10 08:55 NW 15 16.09 Fair CLR 1.3 -5.6 60% -2 77.09 0.0
10 08:15 NW 11 16.09 Fair CLR 0.5 -5.7 64% -3 77.06 0.0
10 07:55 NW 7 16.09 Fair CLR 0 -5.6 66% -2 77.04 0.0
10 07:35 NW 11 16.09 Fair CLR -0.5 -5.6 69% -4 77.04 0.0
10 07:15 NW 9 16.09 Fair CLR -1.2 -5.8 71% -4 77.01 0.0
10 06:55 NW 11 14.48 Fair CLR -0.6 -5.5 1.3 -0.6 70% -4 76.99 0.0
10 06:35 NW 9 16.09 Fair CLR -0.4 -5.4 69% -3 76.96 0.0
10 06:15 NW 13 16.09 Fair CLR -0.3 -5.1 70% -4 76.94 0.0
10 05:55 NW 13 16.09 Fair CLR -0.2 -4.5 73% -4 76.94 0.0
10 05:35 NW 11 16.09 Fair CLR -0.2 -4.4 74% -3 76.91 0.0
10 05:15 NW 13 16.09 Fair CLR -0.2 -4.3 74% -4 76.89 0.0
10 04:55 NW 9 16.09 Fair CLR -0.3 -4.2 75% -3 76.89 0.0
10 04:35 NW 11 16.09 Fair CLR -0.2 -4 76% -3 76.89 0.0
10 04:15 NW 17 16.09 Fair CLR -0.2 -3.7 78% -5 76.89 0.0
10 03:55 NW 13 16.09 Fair CLR 0 -3.3 79% -4 76.86 0.0
10 03:35 NW 15 16.09 Fair CLR 0.1 -3.2 79% -4 76.86 0.0
10 03:15 NW 13 16.09 Fair CLR 0.3 -3.4 76% -3 76.84 0.0
10 02:55 NW 11 16.09 Fair CLR 0.5 -3.1 77% -3 76.84 0.0
10 02:35 NW 19 16.09 Fair CLR 0.6 -3.3 75% -4 76.84 0.0
10 02:15 NW 15 16.09 Fair CLR 0.8 -3 76% -3 76.81 0.0
10 01:55 NW 15 16.09 Fair CLR 1 -3 75% -3 76.81 0.0
10 01:35 NW 7 16.09 Fair CLR 1.1 -2.8 76% -1 76.78 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)