MIT Sailing Pavilion
15.12.2025 15:45

Monthly Summary: 
Yearly Summary: 

Almanac Data

Station: MIT Sailing Pavilion
Time: 15:45
Date: 15 Dec 2025
Latitude: 42° 21.51' N
Longitude: 071° 05.26' W
Elevation: 30 feet
Daylight: 09:07
 
Sun
Start civil twilight: 06:33
Sunrise: 07:06
Transit: 11:39
Sunset: 16:13
End civil twilight: 16:45
Azimuth: 233.8°
Altitude: 3.6°
Right ascension: 263.6°
Declination: -23.3°
Solstice: 21.12.2025 10:02
Equinox: 20.03.2026 10:45
 
Moon
Rise: 03:01
Transit: 08:10
Set: 13:11
Azimuth: 269.5°
Altitude: -27.8°
Right ascension: 213.9°
Declination: -18.7°
New moon: 19.12.2025 20:43
Full moon: 03.01.2026 05:02
Phase: waning crescent
15% full
Temperature (°F) Humidity (%) Dew Point (°F)
Current: 25.4
Day Average: 20.2
Day High: 28.2 at 13:54
Day Low: 15.6 at 04:51
Week Average: 20.2
Week High: 28.2 at 13:54 on Monday
Week Low: 15.6 at 04:51 on Monday
Month Average: 32.1
Month High: 49.7 on 10.12.2025
Month Low: 13.7 on 05.12.2025
Year Average: 54.7
Year High: 102.4 on 24.06.2025
Year Low: 10.5 on 22.01.2025
All Time Average: 54.2
All Time High: 119.0 on 01.03.2023
All Time Low: -7.2 on 04.02.2023
Current: 47
Day Average: 55
Day High: 64 at 05:52
Day Low: 43 at 13:47
Week Average: 55
Week High: 64 at 05:52 on Monday
Week Low: 43 at 13:47 on Monday
Month Average: 61
Month High: 91 on 02.12.2025
Month Low: 25 on 08.12.2025
Year Average: 67
Year High: 97 on 06.05.2025
Year Low: 17 on 20.04.2025
All Time Average: 67
All Time High: 99 on 25.02.2010
All Time Low: 0 on 23.12.2022
Current: 8.0
Day Average: 6.6
Day High: 9.5 at 13:53
Day Low: 3.9 at 03:00
Week Average: 6.6
Week High: 9.5 at 13:53 on Monday
Week Low: 3.9 at 03:00 on Monday
Month Average: 6.6
Month High: 41.5 on 10.12.2025
Month Low: -5.3 on 05.12.2025
Year Average: 43.0
Year High: 78.5 on 23.06.2025
Year Low: -7.1 on 22.01.2025
All Time Average: 43.4
All Time High: 79.5 on 03.07.2018
All Time Low: -57.6 on 24.02.2023
Wind Chill (°F) Heat Index (°F) Barometer ( mbar)
Current: 18.4
Day Low: -2.0 at 04:59
Week Low: -2.0 at 04:59 on Monday
Month Low: -2.0 on 15.12.2025
Year Low: -2.0 on 15.12.2025
All Time Low: -26.5 on 04.02.2023
Current: 25.4
Day High: 28.2 at 13:54
Week High: 28.2 at 13:54 on Monday
Month High: 49.7 on 10.12.2025
Year High: 113.9 on 24.06.2025
All Time High: 113.9 on 24.06.2025
Current: 1016.4
Day Average: 1015.5
Day High: 1018.1 at 09:58
Day Low: 1012.4 at 00:28
Week Average: 1015.5
Week High: 1018.1 at 09:58 on Monday
Week Low: 1012.4 at 00:28 on Monday
Month Average: 1012.6
Month High: 1026.1 on 05.12.2025
Month Low: 989.8 on 11.12.2025
Year Average: 1014.0
Year High: 1036.7 on 02.02.2025
Year Low: 978.7 on 16.02.2025
All Time Average: 1015.4
All Time High: 1045.9 on 14.12.2024
All Time Low: 969.5 on 07.02.2020
Wind ( mph) Rain ( in - in/hr)
Current: 6 W
Day Average: 7 W
Day High: 27 at 13:07
Week Average: 7 W
Week High: 27 at 13:07 on Monday
Month Average: 6 WSW
Month High: 34 on 04.12.2025
Year Average: 6 SSW
Year High: 45 on 07.03.2025
All Time Average: 6
All Time High: 96 on 14.04.2014
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.00
Week High Rate: 0.00 at 00:00 on Monday
Month: 0.92
Month High Rate: 0.18 on 02.12.2025
Year: 32.50
Year High Rate: 5.82 on 06.09.2025
All Time High Rate: 82.29 on 02.02.2011
Inside Temperature (°F) Inside Humidity (°F)
Current: 64.9
Day Average: 53.0
Day High: 64.9 at 15:30
Day Low: 47.3 at 06:15
Week Average: 53.0
Week High: 64.9 at 15:30 on Monday
Week Low: 47.3 at 06:15 on Monday
Month Average: 55.8
Month High: 72.2 on 01.12.2025
Month Low: 47.3 on 15.12.2025
Year Average: 68.8
Year High: 107.7 on 24.06.2025
Year Low: 45.3 on 02.02.2025
All Time Average: 72.0
All Time High: 116.6 on 31.05.2013
All Time Low: 33.4 on 15.01.2018
Current: 17
Day Average: 28
Day High: 32 at 06:33
Day Low: 17 at 14:23
Week Average: 28
Week High: 32 at 06:33 on Monday
Week Low: 17 at 14:23 on Monday
Month Average: 29
Month High: 41 on 03.12.2025
Month Low: 14 on 11.12.2025
Year Average: 33
Year High: 63 on 25.09.2025
Year Low: 6 on 30.04.2025
All Time Average: 34
All Time High: 100 on 03.02.2012
All Time Low: 0 on 04.03.2011