Environmental Field
Laboratory at the College
of William and Mary
Weather observations are recorded at 10 minute intervals and are available
for download in weekly, tab delimited files.
(Weather 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003
(beginning in April))
Daily Average, Monthly Averages
(How to cite Keck Weather data) (Disclaimers Below)
High Temperature
Low Temperature
55.8 °F at 1:05p
51.2 °F at 6:15p
High Humidity
Low Humidity
94 % at 8:27a
87 % at 4:31p
High Dewpoint
Low Dewpoint
53.0 °F at 10:35a
48.0 °F at 5:51p
High Wind Speed
13.0 mph at 1:34p
High Barometer
Low Barometer
29.891 in at 9:54a
29.806 in at 1:34a
High Rain Rate
0.60 in/hr at 12:11a
Low Wind Chill
51.0 °F at 6:06p
High Heat Index
56.0 °F at 12:07p
Rainfall totals are unofficial and are not
checked for accuracy.
Due to a terminal failure with the weather station, Data from April 10,
2007- May 21, 2007 may be inaccurate . A new station went on line May
23, 2007
Due to Terminal failure with Console Station Barometer readings may be inaccurate from July 1 2014- July 27, 2015. New console went online July 27,2015.
On March 3rd and March 4th, 2023 the rainfall gauge malfunctioned and recorded incorrect rain levels. Subtract 2,105.9mm (82.91 inches) of rain from March and 2023 annual data.