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Oak Lake Climate

Field station staff work collaboratively with the National Weather Service in Sioux Falls, SD. Air temperature and precipitation are measured daily using automated equipment to provide a long term climate record for the site. In addition, automated monitoring equipment has been installed to provide wind speed, wind direction and air temperature at 10m, 30m and 40m elevations above the ground. Listed below are the average monthly precipitation and air temperature values recorded over the period 1994-2002. Hourly, daily and monthly weather data are available on-line from the State Climatologist web page. 

MonthAverage Monthly Precipitation (mm)Average Daily Air Temperature (C)
January                         26                       -12.3
February                         49                        -8.1
March                         23                        -5.0
April                         68                         2.3
May                         92                         9.9
June                        109                        16.1
July                         99                        18.5
August                         85                        17.3
September                         53                        13.2
October                         58                          4.6
November                         18                         -2.8
December                         5                         -9.2

 

Climate Characteristics

This diagram summarizes climate characteristics of the Field Station (data collection period 1994-2001). Mean monthly temperatures are above 0 (C) from April through October. Mean monthly precipitation is always greater than mean monthly temperature in this scaled diagram. Mean annual temperature is 5.9 (C) and mean annual precipitation is 583 mm. The elevation of our climate monitoring equipment is 556m above sea level.