Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Tuesday August 21 11:40:00 2018
Station
Time: 11:40
Date: 21 Aug 2018
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 13:38
Sun
Start civil twilight: 05:27
Sunrise: 05:57
Transit: 12:47
Sunset: 19:36
End civil twilight: 20:06
Azimuth: 149.2°
Altitude: 56.3°
Right ascension: 150.7°
Declination: 12.0°
Equinox: 09/22/2018 09:54:09 PM
Solstice: 12/21/2018 05:22:34 PM
Moon
Rise: 16:40
Transit: 21:28
Set: 01:30
Azimuth: 67.3°
Altitude: -52.3°
Right ascension: 276.6°
Declination: -21.0°
Full moon: 08/26/2018 07:56:09 AM
New moon: 09/09/2018 02:01:27 PM
Phase: Waxing Gibbous
80% full
Temperature (°F)
Current: 70.2
Day Average: 66.0
Day High: 70.5 at 11:17
Day Low: 63.9 at 05:01
Week Average: 68.8
Week High: 77.9 at 12:58:32 PM Monday
Week Low: 63.9 at 05:01:39 AM Tuesday
Month Average: 76.9
Month High: 96.1 on 08/07/2018
Month Low: 63.9 on 08/21/2018
Year Average: 53.8
Year High: 98.9 on 07/03/2018
Year Low: -2.6 on 01/07/2018
All Time Average: 53.7
All Time High: 103.6 on 07/22/2011
All Time Low: -8.6 on 02/14/2016
Humidity (%)
Current: 77
Day Average: 88
Day High: 92 at 05:21
Day Low: 77 at 11:18
Week Average: 80
Week High: 93 at 01:00:41 AM Monday
Week Low: 57 at 03:36:36 PM Monday
Month Average: 78
Month High: 98 on 08/14/2018
Month Low: 40 on 08/06/2018
Year Average: 68
Year High: 98 on 01/23/2018
Year Low: 14 on 04/22/2018
All Time Average: 64
All Time High: 100 on 05/17/2011
All Time Low: 8 on 03/30/2007
Dew Point (°F)
Current: 62.6
Day Average: 62.3
Day High: 63.9 at 10:19
Day Low: 61.2 at 05:01
Week Average: 62.2
Week High: 64.4 at 12:12:22 AM Sunday
Week Low: 58.3 at 03:39:20 PM Monday
Month Average: 62.2
Month High: 78.2 on 08/03/2018
Month Low: 58.3 on 08/20/2018
Year Average: 42.5
Year High: 79.5 on 07/03/2018
Year Low: -13.1 on 01/07/2018
All Time Average: 40.4
All Time High: 90.5 on 07/01/2009
All Time Low: -27.8 on 02/14/2016
Wind Chill (°F)
Current: 70.2
Day Low: 63.9 at 05:01
Week Low: 63.9 at 05:01:39 AM Tuesday
Month Low: 63.9 on 08/21/2018
Year Low: -26.5 on 01/07/2018
All Time Low: -26.5 on 01/07/2018
Heat Index (°F)
Current: 70.2
Day High: 70.5 at 11:17
Week High: 77.9 at 12:58:32 PM Monday
Month High: 106.9 on 08/07/2018
Year High: 111.0 on 07/03/2018
All Time High: 111.9 on 08/02/2006
Barometer ( inHg)
Current: 30.082
Day Average: 30.106
Day High: 30.134 at 00:00
Day Low: 30.082 at 11:39
Week Average: 30.059
Week High: 30.152 at 09:54:01 AM Monday
Week Low: 29.867 at 12:02:00 AM Sunday
Month Average: 29.948
Month High: 30.152 on 08/20/2018
Month Low: 29.656 on 08/09/2018
Year Average: 29.988
Year High: 30.812 on 02/13/2018
Year Low: 28.838 on 01/04/2018
All Time Average: 29.960
All Time High: 31.100 on 01/04/2015
All Time Low: 28.703 on 02/25/2010
Wind ( mph)
Current: 2 E
Day Average: 2 NNE
Day High: 11 at 11:11
Week Average: 4 NE
Week High: 20 at 03:03:30 PM Sunday
Month Average: 2 NE
Month High: 22 on 08/01/2018
Year Average: 4 W
Year High: 44 on 03/02/2018
All Time Average: 3 WNW
All Time High: 46 on 03/02/2017
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.04
Week High Rate: 0.07 at 12:03:08 AM Sunday
Month: 3.87
Month High Rate: 0.37 on 08/12/2018
Year: 25.92
Year High Rate: 8.47 on 01/13/2018
All Time High Rate: 12.52 on 07/10/2010