Monthly Summary: 
Yearly Summary: 

Almanac Data

Station: Central Square - Cambridge, Massachusetts
Time: 04:25
Date: 21 Sep 2017
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 12:12
 
Sun
Start civil twilight: 06:02
Sunrise: 06:30
Transit: 12:37
Sunset: 18:43
End civil twilight: 19:11
Azimuth: 65.8°
Altitude: -23.4°
Right ascension: 178.7°
Declination: 0.6°
Equinox: 09/22/2017 04:01:41 PM
Solstice: 12/21/2017 11:27:48 AM
 
Moon
Rise: 07:47
Transit: 13:51
Set: 19:47
Azimuth: 54.9°
Altitude: -34.6°
Right ascension: 193.2°
Declination: -1.9°
Full moon: 10/05/2017 02:40:07 PM
New moon: 10/19/2017 03:12:03 PM
Phase: New
2% full
Temperature (°F) Humidity (%) Dew Point (°F)
Current: 70.7
Day Average: 71.7
Day High: 72.8 at 00:03
Day Low: 70.5 at 03:25
Week Average: 67.4
Week High: 81.1 at 01:38:49 PM Sunday
Week Low: 63.1 at 03:08:35 AM Sunday
Month Average: 67.3
Month High: 88.5 on 09/05/2017
Month Low: 49.9 on 09/02/2017
Year Average: 58.1
Year High: 98.4 on 06/12/2017
Year Low: 9.7 on 03/12/2017
All Time Average: 53.9
All Time High: 103.6 on 07/22/2011
All Time Low: -8.6 on 02/14/2016
Current: 81
Day Average: 82
Day High: 84 at 03:11
Day Low: 80 at 00:57
Week Average: 91
Week High: 97 at 08:09:28 AM Sunday
Week Low: 58 at 02:05:59 PM Sunday
Month Average: 75
Month High: 97 on 09/07/2017
Month Low: 30 on 09/12/2017
Year Average: 67
Year High: 98 on 04/06/2017
Year Low: 11 on 03/06/2017
All Time Average: 64
All Time High: 100 on 05/17/2011
All Time Low: 8 on 03/30/2007
Current: 64.6
Day Average: 65.8
Day High: 67.3 at 00:03
Day Low: 64.6 at 04:24
Week Average: 64.6
Week High: 70.5 at 11:44:58 AM Sunday
Week Low: 61.7 at 02:57:29 AM Sunday
Month Average: 64.6
Month High: 73.8 on 09/06/2017
Month Low: 37.1 on 09/01/2017
Year Average: 45.7
Year High: 76.2 on 06/23/2017
Year Low: -11.3 on 03/04/2017
All Time Average: 40.3
All Time High: 90.5 on 07/01/2009
All Time Low: -28.4 on 02/14/2016
Wind Chill (°F) Heat Index (°F) Barometer ( inHg)
Current: 70.7
Day Low: 70.5 at 03:25
Week Low: 63.1 at 03:08:35 AM Sunday
Month Low: 48.8 on 09/02/2017
Year Low: -11.8 on 03/05/2017
All Time Low: -34.7 on 02/14/2016
Current: 70.7
Day High: 72.8 at 00:03
Week High: 84.1 at 12:42:16 PM Sunday
Month High: 93.5 on 09/05/2017
Year High: 103.1 on 06/23/2017
All Time High: 111.9 on 08/02/2006
Current: 29.869
Day Average: 29.862
Day High: 29.872 at 04:16
Day Low: 29.846 at 00:01
Week Average: 30.027
Week High: 30.154 at 09:08:02 AM Sunday
Week Low: 29.827 at 02:32:02 PM Wednesday
Month Average: 29.981
Month High: 30.306 on 09/10/2017
Month Low: 29.669 on 09/07/2017
Year Average: 29.960
Year High: 30.688 on 01/14/2017
Year Low: 28.832 on 03/14/2017
All Time Average: 29.957
All Time High: 31.100 on 01/04/2015
All Time Low: 28.703 on 02/25/2010
Wind ( mph) Rain ( in - in/hr)
Current: 6 NNE
Day Average: 8 NNE
Day High: 23 at 03:46
Week Average: 4 NNE
Week High: 27 at 03:13:12 PM Wednesday
Month Average: 3 NW
Month High: 27 on 09/20/2017
Year Average: 3 NNE
Year High: 46 on 03/02/2017
All Time Average: 3 WNW
All Time High: 46 on 03/02/2017
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.27
Week High Rate: 0.18 at 12:33:22 PM Tuesday
Month: 1.72
Month High Rate: 3.31 on 09/06/2017
Year: 26.71
Year High Rate: 6.62 on 07/12/2017
All Time High Rate: 12.52 on 07/10/2010