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NOTE: These climate data are unofficial. Please contact the National Climate Data Center for official data.
Duncan, Oklahoma
County: Stephens Latitude/Longitude: 34° 30' 04" N 97° 57' 33" W Elevation: 1125 feet MSL
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
A
v
e
r
a
g
e
s
Precipitation (in.) 1.51 2.03 2.96 3.56 5.28 4.96 2.60 2.78 3.64 4.26 2.31 2.12 38.01
Snowfall (in.) 1.6 0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 T 0.2 0.8 3.3
Average High 51.5 55.9 64.0 73.0 80.0 87.7 93.2 93.5 85.3 74.8 63.3 52.4 72.9
Average Low 28.1 32.2 40.6 49.3 59.0 67.3 71.2 70.6 62.7 50.8 39.7 29.8 50.1
Average Temp 39.8 44.1 52.3 61.1 69.5 77.5 82.2 82.0 74.0 62.8 51.5 41.1 61.5
Degree
Days
Heating 781 587 404 165 32 1 0 0 19 138 412 741 3280
Cooling 0 1 10 49 172 376 533 528 289 70 7 0 2035

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