| Station | |
| Time: | 22:00 |
| Date: | 18 May 2021 |
| Latitude: | 42° 21.82' N |
| Longitude: | 071° 06.48' W |
| Elevation: | 20 feet |
| Daylight: | 14:43 |
| Sun | |
| Start civil twilight: | 04:46 |
| Sunrise: | 05:19 |
| Transit: | 12:40 |
| Sunset: | 20:02 |
| End civil twilight: | 20:36 |
| Azimuth: | 320.4° |
| Altitude: | -17.6° |
| Right ascension: | 56.1° |
| Declination: | 19.8° |
| Solstice: | 06/20/2021 11:32:14 PM |
| Equinox: | 09/22/2021 03:21:08 PM |
| Moon | |
| Rise: | 10:46 |
| Transit: | 18:24 |
| Set: | 01:17 |
| Azimuth: | 259.2° |
| Altitude: | 40.1° |
| Right ascension: | 143.1° |
| Declination: | 19.1° |
| Full moon: | 05/26/2021 07:13:49 AM |
| New moon: | 06/10/2021 06:52:35 AM |
| Phase: | First Quarter 43% full |
| Temperature (°F) | |
| Current: | 74.0 |
| Day Average: | 70.7 |
| Day High: | 82.5 at 13:48 |
| Day Low: | 57.1 at 05:45 |
| Week Average: | 67.1 |
| Week High: | 82.5 at 01:48:50 PM Tuesday |
| Week Low: | 54.4 at 05:23:26 AM Monday |
| Month Average: | 58.5 |
| Month High: | 82.5 on 05/18/2021 |
| Month Low: | 41.9 on 05/01/2021 |
| Year Average: | 41.9 |
| Year High: | 82.5 on 05/18/2021 |
| 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: | 39 |
| Day Average: | 46 |
| Day High: | 70 at 06:56 |
| Day Low: | 26 at 16:31 |
| Week Average: | 48 |
| Week High: | 74 at 07:02:52 AM Monday |
| Week Low: | 22 at 12:52:04 PM Sunday |
| Month Average: | 55 |
| Month High: | 94 on 05/04/2021 |
| Month Low: | 21 on 05/14/2021 |
| Year Average: | 62 |
| 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: | 47.5 |
| Day Average: | 46.6 |
| Day High: | 51.0 at 09:19 |
| Day Low: | 43.1 at 12:20 |
| Week Average: | 45.5 |
| Week High: | 54.7 at 04:37:16 PM Sunday |
| Week Low: | 35.7 at 12:52:54 PM Sunday |
| Month Average: | 45.5 |
| Month High: | 54.7 on 05/16/2021 |
| Month Low: | 23.8 on 05/11/2021 |
| Year Average: | 28.3 |
| 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: | 74.0 |
| Day Low: | 57.1 at 05:45 |
| Week Low: | 54.4 at 05:23:26 AM Monday |
| 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: | 72.9 |
| Day High: | 80.6 at 13:47 |
| Week High: | 80.6 at 01:47:52 PM Tuesday |
| Month High: | 80.6 on 05/18/2021 |
| Year High: | 80.6 on 05/18/2021 |
| All Time High: | 113.7 on 07/20/2019 |
| Barometer ( inHg) | |
| Current: | 30.126 |
| Day Average: | 30.157 |
| Day High: | 30.217 at 00:06 |
| Day Low: | 30.072 at 17:12 |
| Week Average: | 30.175 |
| Week High: | 30.241 at 09:08:02 AM Monday |
| Week Low: | 30.072 at 05:12:02 PM Tuesday |
| Month Average: | 29.923 |
| Month High: | 30.241 on 05/17/2021 |
| Month Low: | 29.427 on 05/01/2021 |
| Year Average: | 29.949 |
| 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: | 2 NW |
| Day Average: | 2 WSW |
| Day High: | 18 at 14:44 |
| Week Average: | 2 SW |
| Week High: | 21 at 03:29:12 PM Sunday |
| Month Average: | 3 W |
| 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: | 0.01 |
| Week High Rate: | 0.00 at 12:00:03 AM Sunday |
| Month: | 1.15 |
| Month High Rate: | 0.44 on 05/05/2021 |
| Year: | 9.75 |
| Year High Rate: | 655.35 on 04/23/2021 |
| All Time High Rate: | 655.35 on 04/23/2021 |