OPTIMA LAKE, OKLAHOMA

Period of Record General Climate Summary - Temperature

Station:(346740) OPTIMA LAKE
From Year=1985 To Year=1994
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 48.3 19.6 33.0 82 11/1990 -9 07/1988 38.0 1992 26.8 1988 0.0 4.1 28.1 0.8
February 51.8 24.0 37.8 80 19/1986 -8 03/1989 44.5 1991 27.1 1989 0.0 3.5 22.6 1.2
March 62.3 31.1 46.7 93 11/1989 5 05/1989 52.1 1986 42.3 1987 0.1 1.2 16.7 0.0
April 71.5 40.3 55.9 100 22/1989 18 06/1994 58.8 1986 51.6 1988 1.7 0.1 4.5 0.0
May 79.1 51.3 65.4 100 25/1989 30 01/1991 69.1 1991 62.3 1990 4.1 0.0 0.1 0.0
June 88.4 60.6 74.5 108 26/1994 46 01/1988 79.8 1994 69.2 1989 13.6 0.0 0.0 0.0
July 92.9 64.2 78.5 109 08/1992 46 14/1990 81.0 1986 76.7 1989 22.8 0.0 0.0 0.0
August 91.1 62.9 77.0 106 01/1993 46 01/1986 79.4 1988 72.1 1992 19.9 0.0 0.0 0.0
September 83.7 54.4 69.1 101 01/1990 34 24/1989 73.1 1990 66.6 1989 8.9 0.0 0.0 0.0
October 73.2 40.9 57.0 96 01/1989 12 30/1993 58.9 1991 54.3 1993 2.1 0.2 4.1 0.0
November 58.7 27.9 43.6 85 02/1990 -1 03/1991 49.1 1990 38.2 1991 0.0 1.0 20.4 0.1
December 47.3 19.9 33.1 77 06/1987 -13 22/1989 37.1 1993 29.2 1989 0.0 4.8 29.1 1.6
Annual 70.7 41.4 56.0 109 19920708 -13 19891222 56.9 1991 54.9 1989 73.1 15.0 125.7 3.8
Winter 49.1 21.1 34.7 82 19900111 -13 19891222 39.6 1992 30.4 1993 0.0 12.4 79.9 3.7
Spring 71.0 40.9 56.0 100 19890422 5 19890305 58.8 1986 54.1 1993 5.9 1.3 21.3 0.0
Summer 90.8 62.6 76.7 109 19920708 46 19860801 78.7 1990 73.4 1992 56.2 0.0 0.0 0.0
Fall 71.9 41.1 56.6 101 19900901 -1 19911103 56.9 1989 55.3 1991 11.0 1.2 24.5 0.1
Table updated on Oct 31, 2012
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Western Regional Climate Center, wrcc@dri.edu