OK55 Coop Summary

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Cooperative Observer Station Summary

MARIETTA (345563)

*

LOVE County

Climate Division: 8

*

Latitude: 3356N;     Longitude: 09707W

Elevation: 844 ft

*

Precipitation Period of Record:

1937/09-2010/10 ( 97%)

*

Temperature Period of Record:

1940/11-2010/10 ( 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

52.6
30.4
41.2
1.73
2.0

February

58.7
34.8
46.5
2.12
1.5

March

67.4
42.8
54.9
3.34
.3

April

75.0
50.8
62.7
3.40
.0

May

81.3
59.8
70.3
5.16
.0

June

88.7
67.7
78.0
4.25
.0

July

94.4
71.6
82.8
2.23
.0

August

94.6
70.5
82.3
2.76
.0

September

86.8
63.7
75.0
3.97
.0

October

77.1
53.4
65.0
4.39
.0

November

63.9
41.9
52.7
2.73
.3

December

54.8
32.9
43.6
2.38
.7

Annual

74.7
51.8
63.0
38.43
4.9

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
2
18
*
7
6
4
2
1
*
1
1
1
1
1

Feb

0
*
1
12
*
6
6
4
3
2
*
1
1
1
1
1

Mar

0
*
*
5
0
8
7
5
3
2
1
*
*
*
*
*

Apr

0
*
0
1
0
8
7
5
4
2
1
0
0
0
0
0

May

*
2
0
0
0
9
9
7
5
3
2
0
0
0
0
0

Jun

1
14
0
0
0
8
7
6
4
3
1
0
0
0
0
0

Jul

5
26
0
0
0
6
5
4
2
2
1
0
0
0
0
0

Aug

7
25
0
0
0
5
5
4
2
1
1
0
0
0
0
0

Sep

1
12
0
0
0
7
7
5
4
2
1
0
0
0
0
0

Oct

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

Nov

0
0
*
6
0
7
6
5
3
2
1
*
*
*
*
*

Dec

0
0
1
16
*
7
6
4
3
2
1
1
*
*
*
1

Ann

15
82
5
57
*
85
78
57
40
25
12
4
2
2
2
3

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

79
6
.48
2.66

February

83
11
1.01
3.31

March

89
19
1.45
4.53

April

91
30
1.80
5.70

May

95
41
2.95
7.66

June

100
52
2.22
6.66

July

106
60
.74
3.98

August

107
58
.81
3.22

September

103
44
1.26
6.37

October

94
31
1.24
5.82

November

85
20
.80
4.36

December

79
10
.85
3.71

Annual

107
4
29.37
44.36

Monthly Extremes

 

Temperature (F) (1940-2010)

Precipitation (inches) (1937-2010)

Snowfall (1937-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan

85
(22nd, 1943)
-3
( 4th, 1947)
4.87" (1958)
2.11" (29th, 2001)
14.0" (1992)
7.0" (13th, 1992)
7.0" (13th, 1992)

Feb

96
(22nd, 1996)
0
(18th, 1978)
8.10" (2001)
3.53" ( 9th, 1966)
15.1" (1978)
9.2" (12th, 2010)
9.0" (12th, 2010)

Mar

97
(31st, 1974)
7
(11th, 1948)
9.57" (1945)
4.33" (27th, 1977)
9.4" (1942)
7.5" ( 1st, 1942)
5.0" ( 6th, 1989)

Apr

98
(18th, 2006)
20
( 8th, 2009)
15.58" (2009)
12.82" (30th, 2009)
.0" -
.0" -
.0" -

May

101
(30th, 1985)
33
( 1st, 2005)
11.56" (1950)
5.50" ( 9th, 1993)
.0" -
.0" -
.0" -

Jun

111
(27th, 1980)
49
( 1st, 1964)
11.61" (1951)
4.59" ( 6th, 1985)
.0" -
.0" -
.0" -

Jul

110
(24th, 1943)
55
( 6th, 1972)
8.08" (2002)
3.37" (31st, 2002)
.0" -
.0" -
.0" -

Aug

112
(16th, 1956)
54
(25th, 1966)
10.92" (1996)
4.57" (27th, 1974)
.0" -
.0" -
.0" -

Sep

110
( 3rd, 2000)
33
(27th, 1942)
10.16" (1970)
6.59" ( 9th, 2010)
.0" -
.0" -
.0" -

Oct

102
( 3rd, 1951)
20
(31st, 1993)
24.00" (1981)
9.48" (13th, 1981)
.0" -
.0" -
.0" -

Nov

87
( 4th, 1948)
13
(29th, 1976)
7.13" (1964)
3.41" (22nd, 1961)
3.5" (1976)
2.5" (14th, 1976)
2.0" (17th, 1980)

Dec

88
(30th, 1951)
-8
(23rd, 1989)
8.01" (1987)
3.75" (14th, 1992)
9.5" (1983)
8.0" (16th, 1983)
8.0" (16th, 1983)

Annual

112
(Aug 16, 1956)
-8
(Dec 23, 1989)
24.00" (Oct 1981)
12.82" (Apr 30, 2009)
15.1" (Feb 1978)
9.2" (Feb 12, 2010)
9.0" (Feb 12, 2010)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November  10
November   1
October  26

2 Years in 10

November  16
November   4
October  30

5 Years in 10

November  30
November  17
November   6

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

March  25
April   6
April  15

2 Years in 10

March  15
March  27
April  10

5 Years in 10

March   5
March  16
March  28

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10

241
220
199

8 Years in 10

251
228
208

5 Years in 10

274
245
224

2 Years in 10

293
261
237

1 Year in 10

308
277
244

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN

1.73
2.12
3.34
3.40
5.16
4.25
2.23
2.76
3.97
4.39
2.73
2.38
38.43

10%

.33
.44
.68
1.35
2.40
1.22
.55
.48
.49
.31
.62
.39
26.04

20%

.48
1.01
1.45
1.80
2.95
2.22
.74
.81
1.26
1.24
.80
.85
29.37

30%

1.03
1.51
1.94
2.04
3.85
2.97
1.13
1.10
1.93
1.82
1.01
1.16
31.48

40%

1.38
1.80
2.46
2.65
4.29
3.20
1.60
1.65
2.97
2.82
1.66
1.51
33.78

50%

1.52
2.13
2.89
3.27
5.25
3.76
1.86
1.93
3.61
3.15
2.09
1.70
35.58

60%

1.91
2.52
3.22
3.67
6.17
4.42
2.63
2.39
4.17
3.58
2.49
2.20
38.77

70%

2.20
2.89
3.99
4.62
6.61
5.18
3.29
2.82
4.88
4.16
2.98
2.90
41.04

80%

2.66
3.31
4.53
5.70
7.66
6.66
3.98
3.22
6.37
5.82
4.36
3.71
44.36

90%

3.17
4.53
5.77
7.71
8.67
7.93
5.34
5.69
7.57
7.58
5.70
4.48
50.68