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 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
77.9 °F at 3:51p
59.2 °F at 5:33a
High Humidity
Low Humidity
94 % at 9:30a
65 % at 3:01p
High Dewpoint
Low Dewpoint
69.0 °F at 11:34a
57.0 °F at 4:10a
High Wind Speed
0.0 mph at ----
High Barometer
Low Barometer
30.189 in at 9:37a
30.104 in at 4:07a
High Rain Rate
0.01 in/hr at 6:00a
Low Wind Chill
59.0 °F at 5:21a
High Heat Index
79.0 °F at 2:59p
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.