OK73 Coop Summary

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Cooperative Observer Station Summary

PRYOR (347309)

*

MAYES County

Climate Division: 3

*

Latitude: 3618N;     Longitude: 09519W

Elevation: 624 ft

*

Precipitation Period of Record:

1926/04-2004/03 ( 97%)

*

Temperature Period of Record:

1926/04-2004/03 ( 96%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

45.8
23.0
34.2
1.97
2.7

February

51.8
NA
NA
2.15
1.5

March

61.3
NA
NA
NA
1.0

April

71.2
45.4
NA
4.07
.0

May

78.4
55.4
66.6
5.02
.0

June

NA
NA
NA
4.75
.0

July

NA
NA
NA
3.32
.0

August

NA
NA
NA
3.01
.0

September

NA
59.1
NA
NA
.0

October

NA
NA
NA
3.62
.0

November

NA
NA
NA
4.17
.5

December

NA
26.3
NA
2.47
1.9

Annual

NA
NA
NA
NA
8.9

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
26
1
9
5
3
2
1
1
3
1
1
1
3

Feb

0
0
3
NA
NA
8
5
4
2
1
1
2
1
1
1
2

Mar

0
*
*
NA
NA
NA
NA
NA
NA
NA
NA
1
*
*
*
1

Apr

0
*
0
2
0
10
8
6
5
3
1
*
0
0
0
*

May

0
1
0
0
0
12
10
7
6
4
1
0
0
0
0
0

Jun

NA
NA
NA
NA
NA
10
8
6
5
3
1
0
0
0
0
0

Jul

NA
NA
NA
NA
NA
7
5
4
3
2
1
0
0
0
0
0

Aug

NA
NA
NA
NA
NA
8
6
5
3
2
1
0
0
0
0
0

Sep

NA
NA
NA
*
0
NA
NA
NA
NA
NA
NA
0
0
0
0
0

Oct

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

Nov

NA
NA
NA
NA
NA
9
7
5
4
3
1
1
*
*
*
1

Dec

NA
NA
NA
22
1
8
6
4
3
2
1
2
1
1
1
2

Ann

NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
10
5
4
3
9

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

74
0
.69
3.62

February

77
5
.91
3.20

March

85
14
1.45
4.69

April

89
26
2.05
6.68

May

92
38
3.05
7.62

June

98
49
2.79
7.65

July

105
55
.96
5.26

August

106
53
1.57
5.07

September

101
39
2.05
7.50

October

92
27
1.42
6.03

November

81
15
1.37
4.71

December

74
3
.85
3.10

Annual

108
-4
34.49
47.53

Monthly Extremes

 

Temperature (F) (1926-2004)

Precipitation (inches) (1926-2004)

Snowfall (1926-2004)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan

80
(24th, 1943)
-21
(22nd, 1930)
6.32" (1949)
3.00" (29th, 2001)
13.5" (1930)
8.0" (22nd, 1937)
12.0" (21st, 1930)

Feb

88
(23rd, 1996)
-15
(10th, 1929)
6.48" (1985)
5.24" (23rd, 1985)
14.2" (1929)
7.5" ( 8th, 1929)
6.0" (14th, 1944)

Mar

93
(11th, 1967)
-5
(12th, 1948)
9.50" (1973)
3.85" (15th, 1999)
13.5" (1970)
10.0" ( 6th, 1989)
10.0" ( 6th, 1989)

Apr

97
(12th, 1972)
18
( 3rd, 1936)
11.91" (1941)
5.94" (19th, 1941)
1.5" (1957)
1.0" (13th, 1957)
1.0" ( 8th, 1938)

May

100
(31st, 1934)
32
( 1st, 1963)
18.33" (1943)
6.05" (10th, 1943)
.0" -
.0" -
.0" -

Jun

108
(22nd, 1936)
45
( 1st, 1983)
13.99" (1948)
4.80" (10th, 1941)
.0" -
.0" -
.0" -

Jul

117
(18th, 1936)
49
(31st, 1971)
11.62" (1961)
5.20" (15th, 1961)
.0" -
.0" -
.0" -

Aug

116
(10th, 1936)
48
(28th, 1967)
10.38" (1997)
4.71" ( 4th, 1928)
.0" -
.0" -
.0" -

Sep

108
( 2nd, 1939)
31
(30th, 1984)
12.52" (1986)
8.56" (19th, 1975)
.0" -
.0" -
.0" -

Oct

99
( 1st, 1953)
17
(31st, 1993)
18.14" (1941)
6.20" ( 5th, 1998)
.0" (1993)
.0" (30th, 1993)
.1" (30th, 1993)

Nov

86
(16th, 1952)
6
(29th, 1976)
8.00" (1992)
3.89" (25th, 1987)
8.5" (1951)
5.0" ( 6th, 1951)
4.0" ( 6th, 1951)

Dec

80
(14th, 1948)
-14
(23rd, 1989)
6.75" (1984)
3.97" (23rd, 1932)
10.6" (2000)
8.0" (13th, 2000)
8.0" (13th, 2000)

Annual

117
(Jul 18, 1936)
-21
(Jan 22, 1930)
18.33" (May 1943)
8.56" (Sep 19, 1975)
14.2" (Feb 1929)
10.0" (Mar 6, 1989)
12.0" (Jan 21, 1930)

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  22
October  12

2 Years in 10

November   4
October  27
October  19

5 Years in 10

November  16
November   5
October  28

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   1
April  14
April  20

2 Years in 10

March  26
April   7
April  16

5 Years in 10

March  16
March  28
April   6

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10

220
201
189

8 Years in 10

228
205
193

5 Years in 10

247
223
203

2 Years in 10

269
237
215

1 Year in 10

275
240
223

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN

1.97
2.15
NA
4.07
5.02
4.75
3.32
3.01
NA
3.62
4.17
2.47
NA

10%

.55
.65
.90
1.68
2.07
2.10
.62
.74
1.19
.91
.54
.55
31.60

20%

.69
.91
1.45
2.05
3.05
2.79
.96
1.57
2.05
1.42
1.37
.85
34.49

30%

.95
1.33
2.02
2.44
3.52
3.53
1.51
2.03
2.62
2.24
1.89
1.32
37.53

40%

1.34
1.44
2.21
3.29
4.14
4.01
2.03
2.56
3.70
2.72
2.35
1.66
39.43

50%

1.62
1.87
2.85
3.61
5.08
5.11
2.95
2.88
4.32
3.27
2.83
1.92
41.90

60%

2.09
2.11
3.16
4.30
5.64
5.86
3.48
3.33
5.03
3.82
3.44
2.29
43.43

70%

2.49
2.40
3.87
5.47
6.18
6.49
4.06
3.99
6.20
4.87
4.20
2.74
46.33

80%

3.62
3.20
4.69
6.68
7.62
7.65
5.26
5.07
7.50
6.03
4.71
3.10
47.53

90%

3.97
4.15
6.42
7.93
8.70
9.23
6.50
7.30
9.23
7.32
6.91
4.51
55.26