Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Thursday September 23 22:35:00 2021
Station
Time: 22:35
Date: 23 Sep 2021
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 12:06
Sun
Start civil twilight: 06:04
Sunrise: 06:32
Transit: 12:36
Sunset: 18:39
End civil twilight: 19:08
Azimuth: 318.7°
Altitude: -40.0°
Right ascension: 181.2°
Declination: -0.5°
Solstice: 12/21/2021 10:59:05 AM
Equinox: 03/20/2022 11:33:19 AM
Moon
Rise: 20:08
Transit: 02:18
Set: 09:03
Azimuth: 98.5°
Altitude: 25.7°
Right ascension: 36.1°
Declination: 11.2°
New moon: 10/06/2021 07:05:20 AM
Full moon: 10/20/2021 10:56:38 AM
Phase: Waning Gibbous
91% full
Temperature (°F)
Current: 72.9
Day Average: 75.2
Day High: 80.9 at 16:19
Day Low: 68.8 at 03:00
Week Average: 68.6
Week High: 80.9 at 04:19:47 PM Thursday
Week Low: 54.6 at 06:30:33 AM Tuesday
Month Average: 69.3
Month High: 85.8 on 09/15/2021
Month Low: 54.6 on 09/21/2021
Year Average: 56.3
Year High: 97.9 on 06/30/2021
Year Low: 8.1 on 01/31/2021
All Time Average: 53.8
All Time High: 103.6 on 07/22/2011
All Time Low: -8.6 on 02/14/2016
Humidity (%)
Current: 86
Day Average: 79
Day High: 93 at 07:12
Day Low: 59 at 15:53
Week Average: 77
Week High: 93 at 03:35:54 AM Sunday
Week Low: 44 at 01:41:00 PM Sunday
Month Average: 76
Month High: 96 on 09/02/2021
Month Low: 43 on 09/07/2021
Year Average: 67
Year High: 97 on 07/09/2021
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: 68.5
Day Average: 67.9
Day High: 70.8 at 13:03
Day Low: 64.5 at 16:00
Week Average: 60.6
Week High: 70.8 at 01:03:09 PM Thursday
Week Low: 48.6 at 01:41:28 PM Sunday
Month Average: 60.6
Month High: 74.4 on 09/15/2021
Month Low: 48.6 on 09/19/2021
Year Average: 44.4
Year High: 77.6 on 08/19/2021
Year Low: -8.1 on 03/02/2021
All Time Average: 40.8
All Time High: 90.5 on 07/01/2009
All Time Low: -27.8 on 02/14/2016
Wind Chill (°F)
Current: 72.9
Day Low: 68.8 at 02:55
Week Low: 54.6 at 06:30:33 AM Tuesday
Month Low: 54.6 on 09/21/2021
Year Low: -13.3 on 01/29/2021
All Time Low: -26.5 on 01/07/2018
Heat Index (°F)
Current: 73.9
Day High: 83.8 at 11:04
Week High: 83.8 at 11:04:53 AM Thursday
Month High: 93.5 on 09/15/2021
Year High: 108.9 on 06/28/2021
All Time High: 113.7 on 07/20/2019
Barometer ( inHg)
Current: 30.030
Day Average: 30.034
Day High: 30.070 at 00:00
Day Low: 30.000 at 17:02
Week Average: 30.183
Week High: 30.385 at 09:19:01 AM Tuesday
Week Low: 29.963 at 12:00:02 AM Sunday
Month Average: 29.968
Month High: 30.385 on 09/21/2021
Month Low: 29.575 on 09/02/2021
Year Average: 29.958
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: 5 ESE
Day Average: 5 SE
Day High: 23 at 14:33
Week Average: 3 ESE
Week High: 23 at 02:33:23 PM Thursday
Month Average: 3 SSE
Month High: 28 on 09/08/2021
Year Average: 3 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: 0.03
Day High Rate: 655.35 at 02:55
Week: 0.23
Week High Rate: 655.35 at 02:55:59 AM Thursday
Month: 4.32
Month High Rate: 655.35 on 09/09/2021
Year: 32.08
Year High Rate: 655.35 on 04/23/2021
All Time High Rate: 655.35 on 04/23/2021