OK83 Coop Summary

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Cooperative Observer Station Summary

SPAVINAW (348380)
*

MAYES County

Climate Division: 3
*

Latitude: 3623N;     Longitude: 09503W

Elevation: 684 ft
*

Precipitation Period of Record:

1923/02-2010/10 ( 98%)
*

Temperature Period of Record:

1923/02-2010/10 ( 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

48.8
27.3
37.8
1.97
2.6

February

55.0
31.9
43.2
2.10
1.7

March

63.9
40.5
NA
3.86
1.7

April

72.7
48.7
60.3
4.29
.0

May

79.4
58.3
68.6
4.89
.0

June

NA
NA
NA
4.72
.0

July

92.3
71.7
81.8
3.10
.0

August

NA
NA
NA
3.45
.0

September
84.3
62.7
73.2
5.00
.0

October

74.2
52.1
62.9
3.68
.0

November

61.2
40.7
50.7
4.47
.2

December

51.0
30.6
40.5
2.89
1.4

Annual

71.9
50.3
60.9
44.09
7.5

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
3
21
*
9
6
4
3
1
*
3
1
1
1
2

Feb
0
0
2
15
*
8
6
4
3
1
*
2
1
1
1
2

Mar
0
*
*
7
0
11
8
6
5
3
1
1
*
*
*
1

Apr
0
*
0
1
0
11
8
6
5
3
1
*
0
0
0
*

May
0
1
0
0
0
13
9
8
6
4
2
0
0
0
0
0

Jun
NA
NA
NA
NA
NA
10
8
6
5
3
2
0
0
0
0
0

Jul
3
22
0
0
0
8
6
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
1
9
0
0
0
10
7
6
4
3
1
0
0
0
0
0

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

Nov
0
0
*
7
0
9
7
6
4
3
2
1
*
*
*
*

Dec
0
0
2
18
*
9
6
4
3
2
1
2
1
1
1
2

Ann
7
63
7
69
1
113
83
65
46
30
14
8
3
3
2
7

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

73
0
.87
3.24

February

77
5
.96
2.96

March

84
14
1.58
5.03

April

88
27
2.37
6.67

May

91
39
3.03
7.85

June

97
50
2.38
8.33

July

103
58
1.02
5.45

August

104
54
1.62
5.46

September
99
42
2.29
8.46

October

90
29
1.83
6.18

November

80
17
1.55
5.30

December

73
4
1.01
3.77

Annual

105
-3
36.29
52.14

Monthly Extremes

 

Temperature (F) (1923-2010)

Precipitation (inches) (1923-2010)

Snowfall (1923-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
82
(14th, 1943)
-25
(22nd, 1930)
7.63" (1937)
3.50" ( 5th, 2005)
16.0" (1930)
9.0" (22nd, 1937)
14.0" (21st, 1930)

Feb
85
(13th, 1962)
-10
( 4th, 1996)
5.59" (2001)
3.15" (24th, 2001)
15.0" (1975)
10.0" (24th, 1975)
10.0" (24th, 1975)

Mar
92
(22nd, 1995)
-4
( 3rd, 1943)
11.61" (1935)
3.87" (11th, 1935)
17.0" (1989)
15.0" ( 6th, 1989)
15.0" ( 6th, 1989)

Apr
94
(18th, 2006)
19
( 3rd, 1936)
13.29" (1942)
4.72" (19th, 1941)
3.0" (1957)
2.0" ( 7th, 1938)
2.0" (13th, 1957)

May
100
(17th, 1924)
31
( 9th, 1923)
19.65" (1943)
4.65" ( 9th, 1943)
.0" -
.0" -
.0" -

Jun
106
(22nd, 1936)
47
(19th, 1945)
12.90" (2007)
5.44" (13th, 1964)
.0" -
.0" -
.0" -

Jul
113
(19th, 1936)
49
( 4th, 1924)
11.53" (1959)
4.59" (12th, 1958)
.0" -
.0" -
.0" -

Aug
114
( 9th, 1936)
48
(12th, 1924)
12.27" (1964)
8.35" (14th, 1961)
.0" -
.0" -
.0" -

Sep
107
( 2nd, 1939)
34
(27th, 1942)
13.36" (2009)
7.43" (14th, 1998)
.0" -
.0" -
.0" -

Oct
98
( 1st, 1953)
19
(31st, 1993)
21.32" (1941)
6.52" ( 5th, 1998)
.0" -
.0" -
.0" -

Nov
85
( 6th, 1924)
7
(24th, 1950)
9.42" (1994)
4.55" ( 1st, 1972)
6.0" (1923)
6.0" (29th, 1923)
5.0" ( 6th, 1951)

Dec
78
(14th, 1948)
-11
(23rd, 1989)
8.02" (1984)
4.20" (23rd, 1932)
10.2" (1932)
9.0" (24th, 2009)
9.0" (31st, 1969)

Annual
114
(Aug 9, 1936)
-25
(Jan 22, 1930)
21.32" (Oct 1941)
8.35" (Aug 14, 1961)
17.0" (Mar 1989)
15.0" (Mar 6, 1989)
15.0" (Mar 6, 1989)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November   3
October  28
October  19

2 Years in 10
November  10
November   2
October  23

5 Years in 10
November  23
November  11
November   3

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

March  31
April   8
April  17

2 Years in 10
March  26
April   4
April  13

5 Years in 10
March  12
March  26
April   3

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
228
211
194

8 Years in 10
235
214
200

5 Years in 10
252
233
211

2 Years in 10
276
247
230

1 Year in 10

287
259
234

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
1.97
2.10
3.86
4.29
4.89
4.72
3.10
3.45
5.00
3.68
4.47
2.89
44.09

10%
.58
.74
.97
1.92
2.31
1.37
.51
1.05
1.16
.97
.57
.71
33.33

20%
.87
.96
1.58
2.37
3.03
2.38
1.02
1.62
2.29
1.83
1.55
1.01
36.29

30%
1.16
1.40
1.87
2.83
3.65
3.54
1.76
2.10
2.81
2.42
2.08
1.25
39.01

40%
1.36
1.54
2.28
3.25
4.06
3.87
2.63
2.35
3.31
2.85
2.55
1.83
40.07

50%
1.61
1.84
2.75
3.63
4.57
4.70
3.39
2.87
3.94
3.47
2.88
2.09
43.56

60%
2.08
2.24
3.36
4.32
5.47
6.10
4.19
3.72
4.86
4.14
3.46
2.42
45.54

70%
2.72
2.55
4.12
5.50
6.23
6.77
4.69
4.77
6.22
5.07
4.01
2.93
48.20

80%
3.24
2.96
5.03
6.67
7.85
8.33
5.45
5.46
8.46
6.18
5.30
3.77
52.14

90%
4.48
4.35
6.36
8.38
8.90
11.14
6.91
7.34
9.59
8.98
7.16
4.53
59.04