Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Sunday May 9 06:50:00 2021
Station
Time: 06:50
Date: 09 May 2021
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 14:24
Sun
Start civil twilight: 04:56
Sunrise: 05:28
Transit: 12:40
Sunset: 19:53
End civil twilight: 20:25
Azimuth: 78.4°
Altitude: 13.4°
Right ascension: 46.6°
Declination: 17.5°
Solstice: 06/20/2021 11:32:14 PM
Equinox: 09/22/2021 03:21:08 PM
Moon
Rise: 04:45
Transit: 11:14
Set: 17:54
Azimuth: 103.7°
Altitude: 21.7°
Right ascension: 23.9°
Declination: 5.0°
New moon: 05/11/2021 02:59:44 PM
Full moon: 05/26/2021 07:13:49 AM
Phase: Waning Crescent
5% full
Temperature (°F)
Current: 48.2
Day Average: 49.3
Day High: 50.9 at 00:46
Day Low: 47.2 at 06:01
Week Average: 49.3
Week High: 50.9 at 12:46:07 AM Sunday
Week Low: 47.2 at 06:01:37 AM Sunday
Month Average: 54.0
Month High: 76.0 on 05/02/2021
Month Low: 41.9 on 05/01/2021
Year Average: 40.4
Year High: 79.4 on 04/10/2021
Year Low: 8.1 on 01/31/2021
All Time Average: 53.3
All Time High: 103.6 on 07/22/2011
All Time Low: -8.6 on 02/14/2016
Humidity (%)
Current: 77
Day Average: 72
Day High: 78 at 06:37
Day Low: 69 at 00:00
Week Average: 72
Week High: 78 at 06:37:23 AM Sunday
Week Low: 69 at 12:00:01 AM Sunday
Month Average: 64
Month High: 94 on 05/04/2021
Month Low: 26 on 05/01/2021
Year Average: 63
Year High: 96 on 04/30/2021
Year Low: 15 on 03/12/2021
All Time Average: 65
All Time High: 100 on 05/17/2011
All Time Low: 8 on 03/30/2007
Dew Point (°F)
Current: 41.3
Day Average: 40.8
Day High: 41.5 at 06:44
Day Low: 39.8 at 05:50
Week Average: 40.8
Week High: 41.5 at 06:44:07 AM Sunday
Week Low: 39.8 at 05:50:03 AM Sunday
Month Average: 40.8
Month High: 50.4 on 05/02/2021
Month Low: 26.7 on 05/01/2021
Year Average: 27.4
Year High: 62.1 on 03/26/2021
Year Low: -8.1 on 03/02/2021
All Time Average: 40.3
All Time High: 90.5 on 07/01/2009
All Time Low: -27.8 on 02/14/2016
Wind Chill (°F)
Current: 48.2
Day Low: 43.8 at 06:12
Week Low: 43.8 at 06:12:29 AM Sunday
Month Low: 35.0 on 05/01/2021
Year Low: -13.3 on 01/29/2021
All Time Low: -26.5 on 01/07/2018
Heat Index (°F)
Current: 46.3
Day High: 49.0 at 00:46
Week High: 49.0 at 12:46:07 AM Sunday
Month High: 74.9 on 05/02/2021
Year High: 79.0 on 04/10/2021
All Time High: 113.7 on 07/20/2019
Barometer ( inHg)
Current: 29.908
Day Average: 29.858
Day High: 29.908 at 06:49
Day Low: 29.836 at 01:52
Week Average: 29.858
Week High: 29.908 at 06:49:01 AM Sunday
Week Low: 29.836 at 01:52:01 AM Sunday
Month Average: 29.777
Month High: 29.960 on 05/07/2021
Month Low: 29.427 on 05/01/2021
Year Average: 29.941
Year High: 30.550 on 03/10/2021
Year Low: 29.186 on 04/30/2021
All Time Average: 29.964
All Time High: 31.100 on 01/04/2015
All Time Low: 28.625 on 02/07/2020
Wind ( mph)
Current: 1 SW
Day Average: 1 SW
Day High: 8 at 06:36
Week Average: 1 SW
Week High: 8 at 06:36:17 AM Sunday
Month Average: 3 N
Month High: 25 on 05/07/2021
Year Average: 4 W
Year High: 40 on 03/02/2021
All Time Average: 3 WNW
All Time High: 88 on 04/13/2020
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.00
Week High Rate: 0.00 at 12:00:01 AM Sunday
Month: 0.88
Month High Rate: 0.44 on 05/05/2021
Year: 9.48
Year High Rate: 655.35 on 04/23/2021
All Time High Rate: 655.35 on 04/23/2021