OK85 Coop Summary

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Cooperative Observer Station Summary

STILLWATER 2 W (348501)

*

PAYNE County

Climate Division: 5

*

Latitude: 3607N;     Longitude: 09706W

Elevation: 894 ft

*

Precipitation Period of Record:

1893/01-2010/10 ( 96%)

*

Temperature Period of Record:

1893/01-2010/04 ( 97%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

46.1
22.8
34.2
1.31
3.3

February

52.2
28.0
39.9
1.61
2.3

March

61.3
37.3
49.0
3.20
1.4

April

71.1
46.4
58.5
3.43
.0

May

78.7
56.8
67.5
5.41
.0

June

87.1
65.8
76.2
4.32
.0

July

93.0
70.5
81.6
2.69
.0

August

92.8
68.9
80.6
3.05
.0

September

84.1
60.6
72.1
4.13
.0

October

73.8
48.0
60.6
3.25
.0

November

59.8
36.9
48.1
2.57
.3

December

49.5
27.1
38.0
1.79
2.3

Annual

70.9
47.5
59.0
36.61
9.2

Average Number of Days Per Month (1971-2000)

 

Temperature

Precipitation

Snowfall and Sleet

 

Max>100

Max>90

Max<32

Min<32

Min<0

any

meas

0.10"+

0.25"+

0.50"+

1.00"+

any

meas

0.50"+

1.00"+

Glazing

Jan

0
0
5
27
1
7
4
3
1
1
*
3
2
1
1
3

Feb

0
*
3
19
*
7
5
3
2
1
*
2
1
1
1
2

Mar

0
*
*
10
*
9
7
6
4
2
1
1
*
*
*
1

Apr

*
*
0
2
0
9
7
5
4
2
1
*
0
0
0
*

May

*
2
0
0
0
10
9
7
5
4
1
0
0
0
0
0

Jun

*
12
0
0
0
9
8
6
5
3
1
0
0
0
0
0

Jul

4
23
0
0
0
7
6
4
3
2
1
0
0
0
0
0

Aug

5
22
0
0
0
7
6
4
3
2
1
0
0
0
0
0

Sep

1
10
0
*
0
8
7
5
4
3
1
0
0
0
0
0

Oct

0
1
0
2
0
7
6
4
3
2
1
0
0
0
0
0

Nov

0
0
*
11
0
7
5
4
3
2
1
1
*
*
*
1

Dec

0
0
3
23
1
6
5
3
2
1
*
2
1
1
1
2

Ann

10
71
12
93
2
92
75
55
39
24
11
8
4
4
3
8

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
-1
.27
2.13

February

80
5
.30
2.16

March

87
13
.97
4.01

April

91
26
1.57
5.22

May

95
38
2.52
7.04

June

100
50
1.88
6.61

July

106
56
1.10
4.78

August

106
53
1.13
4.91

September

101
38
1.31
6.11

October

94
27
1.13
4.47

November

83
14
.55
3.51

December

74
3
.42
2.33

Annual

108
-4
27.02
40.34

Monthly Extremes

 

Temperature (F) (1893-2010)

Precipitation (inches) (1893-2010)

Snowfall (1893-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan

81
(16th, 1894)
-12
(12th, 1918)
5.57" (1949)
3.51" (19th, 1894)
22.8" (1918)
9.0" ( 7th, 1988)
10.0" ( 8th, 1920)

Feb

92
(23rd, 1996)
-18
(13th, 1905)
6.61" (1915)
2.70" (21st, 1915)
15.0" (1910)
9.0" (15th, 1917)
9.0" (15th, 1917)

Mar

98
(19th, 1907)
-5
(12th, 1948)
7.73" (1973)
3.34" (11th, 1990)
19.0" (1994)
13.0" ( 9th, 1994)
9.0" (14th, 1999)

Apr

104
(13th, 1972)
16
( 3rd, 1936)
11.31" (1942)
5.50" (29th, 1993)
5.0" (1920)
5.0" ( 4th, 1920)
.1" ( 2nd, 1975)

May

101
(31st, 1985)
29
( 1st, 1903)
15.35" (1957)
7.00" (21st, 1957)
.0" -
.0" -
.0" -

Jun

106
(22nd, 1936)
43
( 5th, 1919)
12.54" (2007)
4.64" ( 4th, 1961)
.0" -
.0" -
.0" -

Jul

113
(18th, 1936)
50
(22nd, 1894)
17.68" (1959)
5.57" (12th, 1953)
.0" (1917)
.0" (12th, 1917)
.0" -

Aug

115
(11th, 1936)
43
(31st, 1915)
9.21" (1942)
6.89" (14th, 1942)
.0" (1893)
.0" (17th, 1893)
.0" -

Sep

111
( 4th, 2000)
31
(30th, 1984)
14.04" (1945)
6.05" (24th, 1959)
.0" -
.0" -
.0" -

Oct

99
( 3rd, 1898)
12
(30th, 1917)
12.24" (1941)
6.23" ( 2nd, 1959)
.0" (1913)
.0" (26th, 1913)
.0" -

Nov

88
(11th, 1911)
7
(17th, 1894)
7.78" (1902)
4.32" ( 3rd, 1974)
7.0" (1904)
5.0" (12th, 1904)
3.0" (21st, 1906)

Dec

84
(24th, 1955)
-15
(23rd, 1989)
5.10" (1991)
2.63" (18th, 1898)
17.0" (1924)
12.0" ( 1st, 2006)
12.0" ( 1st, 2006)

Annual

115
(Aug 11, 1936)
-18
(Feb 13, 1905)
17.68" (Jul 1959)
7.00" (May 21, 1957)
22.8" (Jan 1918)
13.0" (Mar 9, 1994)
12.0" (Dec 1, 2006)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November   2
October  23
October  12

2 Years in 10

November   7
October  29
October  18

5 Years in 10

November  19
November   7
October  27

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   2
April   9
April  20

2 Years in 10

March  28
April   6
April  15

5 Years in 10

March  18
March  26
April   7

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10

224
207
182

8 Years in 10

230
213
189

5 Years in 10

247
225
201

2 Years in 10

268
242
216

1 Year in 10

277
248
227

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN

1.31
1.61
3.20
3.43
5.41
4.32
2.69
3.05
4.13
3.25
2.57
1.79
36.61

10%

.10
.13
.51
.85
1.80
1.39
.37
.92
.75
.54
.13
.18
24.69

20%

.27
.30
.97
1.57
2.52
1.88
1.10
1.13
1.31
1.13
.55
.42
27.02

30%

.48
.61
1.34
2.08
3.07
2.49
1.71
1.44
1.88
1.45
.80
.73
28.93

40%

.65
.83
1.65
2.47
3.71
3.43
1.94
2.03
2.43
2.07
1.24
.99
31.89

50%

.85
1.08
2.08
2.87
4.52
3.86
2.57
2.51
2.72
2.31
1.69
1.32
33.07

60%

1.09
1.38
2.80
3.78
5.43
4.37
3.03
3.08
3.77
2.74
2.17
1.53
34.68

70%

1.58
1.66
3.15
4.43
6.26
4.91
3.88
3.55
4.76
3.91
2.70
1.87
37.14

80%

2.13
2.16
4.01
5.22
7.04
6.61
4.78
4.91
6.11
4.47
3.51
2.33
40.34

90%

3.04
2.92
4.84
6.23
9.35
8.13
6.03
7.03
7.23
6.65
4.69
3.37
44.48