Sullivan, IL
12/10/2025 12:05:00 AM
Station
Time: 00:05
Date: 10 Dec 2025
Latitude: 39° 35.98' N
Longitude: 088° 42.56' W
Elevation: 650 feet
Daylight: 09:26
Sun
Start civil twilight: 06:33:44 AM
Sunrise: 07:04:22 AM
Transit: 11:47:49 AM
Sunset: 04:31:08 PM
End civil twilight: 05:01:45 PM
Azimuth: 13.8°
Altitude: -72.9°
Right ascension: 257.4°
Declination: -22.9°
Solstice: 12/21/2025 09:02:48 AM
Equinox: 03/20/2026 09:45:50 AM
Moon
Rise: 11:02:58 PM
Transit: 04:54:21 AM
Set: 11:40:10 AM
Azimuth: 92.5°
Altitude: 22.6°
Right ascension: 152.6°
Declination: 12.3°
New moon: 12/19/2025 07:43:14 PM
Full moon: 01/03/2026 04:02:47 AM
Phase: Waning gibbous
66% full
Temperature (°F)
Current: 41.3
Day Average: 41.3
Day High: 41.4 at 12:00:02 AM
Day Low: 41.3 at 12:00:33 AM
Week Average: 29.5
Week High: 43.1 at 12:30:00 PM (Tuesday)
Week Low: 13.2 at 05:25:12 AM (Monday)
Month Average: 25.5
Month High: 43.1 on 12/09/2025 12:30:00 PM
Month Low: 3.3 on 12/05/2025 05:16:57 AM
Year Average: 56.3
Year High: 96.3 on 09/14/2025 02:12:53 PM
Year Low: -3.5 on 01/21/2025 07:50:00 AM
All Time Average: 54.9
All Time High: 104.3 on 07/07/2012 01:40:00 PM
All Time Low: -12.9 on 01/30/2019 07:50:00 AM
Humidity (%)
Current: 80
Day Average: 80
Day High: 80 at 12:00:02 AM
Day Low: 80 at 12:00:02 AM
Week Average: 84
Week High: 95 at 10:16:48 AM (Sunday)
Week Low: 72 at 12:25:00 PM (Tuesday)
Month Average: 84
Month High: 100 on 12/02/2025 06:45:16 AM
Month Low: 52 on 12/04/2025 01:45:39 PM
Year Average: 75
Year High: 100 on 04/05/2025 10:17:43 AM
Year Low: 22 on 05/10/2025 02:06:17 PM
All Time Average: 76
All Time High: 100 on 12/27/2008 03:23:00 PM
All Time Low: 12 on 05/06/2008 01:02:00 PM
Dew Point (°F)
Current: 35.6
Day Average: 35.6
Day High: 35.7 at 12:00:02 AM
Day Low: 35.6 at 12:00:33 AM
Week Average: 25.2
Week High: 35.8 at 11:47:24 PM (Tuesday)
Week Low: 9.9 at 05:12:24 AM (Monday)
Month Average: 25.2
Month High: 35.8 on 12/09/2025 11:47:24 PM
Month Low: 0.3 on 12/05/2025 05:16:57 AM
Year Average: 47.6
Year High: 84.0 on 07/28/2025 05:01:01 PM
Year Low: -12.0 on 01/21/2025 11:35:00 AM
All Time Average: 46.8
All Time High: 85.4 on 07/11/2011 04:11:00 PM
All Time Low: -24.6 on 01/20/2008 06:20:00 AM
Wind Chill (°F)
Current: 35.3
Day Low: 32.1 at 12:00:27 AM
Week Low: 5.0 at 07:43:46 AM (Monday)
Month Low: -4.8 on 12/05/2025 07:12:27 AM
Year Low: -11.3 on 01/21/2025 06:20:00 AM
All Time Low: -33.1 on 01/06/2014 05:21:00 AM
Heat Index (°F)
Current: 38.9
Day High: 39.0 at 12:00:02 AM
Week High: 40.5 at 12:30:00 PM (Tuesday)
Month High: 40.5 on 12/09/2025 12:30:00 PM
Year High: 116.4 on 07/28/2025 02:55:00 PM
All Time High: 127.9 on 08/03/2010 04:06:00 PM
Barometer ( inHg)
Current: 29.539
Day Average: 29.539
Day High: 29.545 at 12:00:04 AM
Day Low: 29.539 at 12:04:01 AM
Week Average: 30.094
Week High: 30.386 at 09:53:02 AM (Monday)
Week Low: 29.534 at 11:46:02 PM (Tuesday)
Month Average: 30.135
Month High: 30.527 on 12/01/2025 12:09:01 AM
Month Low: 29.534 on 12/09/2025 11:46:02 PM
Year Average: 30.019
Year High: 30.745 on 01/21/2025 10:30:00 AM
Year Low: 29.035 on 03/05/2025 05:40:00 AM
All Time Average: 30.027
All Time High: 30.952 on 02/09/2019 09:00:00 AM
All Time Low: 29.004 on 01/09/2024 12:55:00 PM
Wind ( mph)
Current: 10 SW
Day Average: 10 SW
Day High: 29 at 12:00:02 AM
Week Average: 3 S
Week High: 35 at 10:28:36 PM (Tuesday)
Month Average: 3 SW
Month High: 35 on 12/09/2025 10:28:36 PM
Year Average: 3 SW
Year High: 50 on 03/14/2025 11:55:00 PM
All Time Average: 4 SW
All Time High: 59 on 03/05/2022 11:50:00 PM
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 12:00:02 AM
Week: 0.09
Week High Rate: 0.00 at 12:00:03 AM (Sunday)
Month: 0.22
Month High Rate: 0.05 on 12/06/2025 12:07:00 PM
Year: 28.47
Year High Rate: 7.58 on 04/04/2025 05:22:13 PM
All Time High Rate: 9.93 on 08/26/2021 03:15:00 PM
Inside Temperature (°F)
Current: 63.8
Day Average: 63.8
Day High: 63.8 at 12:00:02 AM
Day Low: 63.8 at 12:00:02 AM
Week Average: 58.8
Week High: 64.0 at 06:25:00 PM (Tuesday)
Week Low: 49.2 at 05:03:00 PM (Sunday)
Month Average: 57.9
Month High: 64.0 on 12/09/2025 06:25:00 PM
Month Low: 49.2 on 12/07/2025 05:03:00 PM
Year Average: 74.7
Year High: 95.3 on 09/13/2025 05:16:01 PM
Year Low: 46.9 on 02/20/2025 07:40:00 AM
All Time Average: 73.5
All Time High: 98.4 on 07/05/2022 05:40:00 PM
All Time Low: 30.4 on 02/07/2022 07:05:00 AM
Inside Humidity (°F)
Current: 54
Day Average: 54
Day High: 54 at 12:00:02 AM
Day Low: 53 at 12:04:59 AM
Week Average: 54
Week High: 61 at 11:05:00 AM (Sunday)
Week Low: 43 at 09:29:00 AM (Monday)
Month Average: 56
Month High: 64 on 12/02/2025 02:34:00 AM
Month Low: 36 on 12/04/2025 04:48:01 PM
Year Average: 48
Year High: 70 on 07/20/2025 03:02:00 PM
Year Low: 21 on 11/16/2025 03:21:02 PM
All Time Average: 49
All Time High: 73 on 09/01/2020 08:50:00 PM
All Time Low: 10 on 11/20/2017 03:20:00 PM