| Station | |
| Time: | 21:20 |
| Date: | 15 Dec 2018 |
| Latitude: | 42° 21.82' N |
| Longitude: | 071° 06.48' W |
| Elevation: | 20 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: | 292.2° |
| Altitude: | -55.4° |
| Right ascension: | 263.5° |
| Declination: | -23.3° |
| Solstice: | 12/21/2018 05:22:34 PM |
| Equinox: | 03/20/2019 05:58:31 PM |
| Moon | |
| Rise: | 12:21 |
| Transit: | 18:10 |
| Set: | 00:08 |
| Azimuth: | 234.1° |
| Altitude: | 27.0° |
| Right ascension: | 2.1° |
| Declination: | -4.6° |
| Full moon: | 12/22/2018 12:48:35 PM |
| New moon: | 01/05/2019 08:28:11 PM |
| Phase: | First Quarter 56% full |
| Temperature (°F) | |
| Current: | 43.6 |
| Day Average: | 49.0 |
| Day High: | 53.8 at 14:23 |
| Day Low: | 43.6 at 21:18 |
| Week Average: | 33.5 |
| Week High: | 53.8 at 02:23:43 PM Saturday |
| Week Low: | 20.0 at 05:14:55 AM Thursday |
| Month Average: | 34.7 |
| Month High: | 56.9 on 12/03/2018 |
| Month Low: | 19.2 on 12/08/2018 |
| Year Average: | 53.8 |
| Year High: | 98.9 on 07/03/2018 |
| Year Low: | -2.6 on 01/07/2018 |
| All Time Average: | 53.7 |
| All Time High: | 103.6 on 07/22/2011 |
| All Time Low: | -8.6 on 02/14/2016 |
| Humidity (%) | |
| Current: | 68 |
| Day Average: | 80 |
| Day High: | 91 at 00:09 |
| Day Low: | 60 at 15:34 |
| Week Average: | 63 |
| Week High: | 91 at 12:09:47 AM Saturday |
| Week Low: | 39 at 05:13:02 PM Wednesday |
| Month Average: | 64 |
| Month High: | 97 on 12/03/2018 |
| Month Low: | 28 on 12/08/2018 |
| Year Average: | 70 |
| Year High: | 98 on 01/23/2018 |
| Year Low: | 14 on 04/22/2018 |
| All Time Average: | 64 |
| All Time High: | 100 on 05/17/2011 |
| All Time Low: | 8 on 03/30/2007 |
| Dew Point (°F) | |
| Current: | 33.7 |
| Day Average: | 42.7 |
| Day High: | 47.3 at 11:13 |
| Day Low: | 33.7 at 21:18 |
| Week Average: | 22.0 |
| Week High: | 47.3 at 11:13:57 AM Saturday |
| Week Low: | 6.6 at 09:01:06 PM Wednesday |
| Month Average: | 22.0 |
| Month High: | 51.2 on 12/03/2018 |
| Month Low: | 0.0 on 12/08/2018 |
| Year Average: | 43.2 |
| Year High: | 79.5 on 07/03/2018 |
| Year Low: | -13.1 on 01/07/2018 |
| All Time Average: | 40.5 |
| All Time High: | 90.5 on 07/01/2009 |
| All Time Low: | -27.8 on 02/14/2016 |
| Wind Chill (°F) | |
| Current: | 41.5 |
| Day Low: | 38.8 at 19:54 |
| Week Low: | 10.0 at 02:32:34 AM Thursday |
| Month Low: | 7.5 on 12/08/2018 |
| Year Low: | -26.5 on 01/07/2018 |
| All Time Low: | -26.5 on 01/07/2018 |
| Heat Index (°F) | |
| Current: | 43.6 |
| Day High: | 53.8 at 14:23 |
| Week High: | 53.8 at 02:23:43 PM Saturday |
| Month High: | 56.9 on 12/03/2018 |
| Year High: | 111.0 on 07/03/2018 |
| All Time High: | 111.9 on 08/02/2006 |
| Barometer ( inHg) | |
| Current: | 30.204 |
| Day Average: | 30.141 |
| Day High: | 30.220 at 20:53 |
| Day Low: | 30.095 at 13:57 |
| Week Average: | 30.212 |
| Week High: | 30.552 at 02:12:02 AM Friday |
| Week Low: | 29.854 at 12:15:02 AM Wednesday |
| Month Average: | 30.097 |
| Month High: | 30.552 on 12/14/2018 |
| Month Low: | 29.461 on 12/03/2018 |
| Year Average: | 30.005 |
| Year High: | 30.812 on 02/13/2018 |
| Year Low: | 28.838 on 01/04/2018 |
| All Time Average: | 29.962 |
| All Time High: | 31.100 on 01/04/2015 |
| All Time Low: | 28.703 on 02/25/2010 |
| Wind ( mph) | |
| Current: | 4 NE |
| Day Average: | 3 NW |
| Day High: | 17 at 17:28 |
| Week Average: | 2 WNW |
| Week High: | 23 at 11:57:17 AM Wednesday |
| Month Average: | 3 WNW |
| Month High: | 28 on 12/04/2018 |
| Year Average: | 3 WNW |
| Year High: | 44 on 03/02/2018 |
| All Time Average: | 3 WNW |
| All Time High: | 46 on 03/02/2017 |
| 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 12:00:04 AM Sunday |
| Month: | 0.03 |
| Month High Rate: | 0.00 on 12/01/2018 |
| Year: | 30.36 |
| Year High Rate: | 8.47 on 01/13/2018 |
| All Time High Rate: | 12.52 on 07/10/2010 |