OK55 Coop Summary

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Cooperative Observer Station Summary

MARLOW 1 WSW (345581)

*

STEPHENS County

Climate Division: 8

*

Latitude: 3439N;     Longitude: 09759W

Elevation: 1249 ft

*

Precipitation Period of Record:

1900/10-2010/10 ( 99%)

*

Temperature Period of Record:

1900/10-1977/04 ( 99%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

NA
NA
NA
1.31
2.8

February

NA
NA
NA
1.78
2.3

March

NA
NA
NA
2.79
.9

April

NA
NA
NA
3.33
.0

May

NA
NA
NA
5.41
.0

June

NA
NA
NA
4.48
.0

July

NA
NA
NA
2.51
.0

August

NA
NA
NA
2.90
.0

September

NA
NA
NA
3.84
.0

October

NA
NA
NA
3.93
.0

November

NA
NA
NA
2.48
.5

December

NA
NA
NA
1.92
2.2

Annual

NA
NA
NA
36.69
8.8

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

NA
NA
NA
NA
NA
6
5
3
2
1
*
3
1
1
1
NA

Feb

NA
NA
NA
NA
NA
7
6
3
2
1
*
2
1
1
1
NA

Mar

NA
NA
NA
NA
NA
8
7
5
3
2
1
1
*
*
*
NA

Apr

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

May

NA
NA
NA
NA
NA
10
10
7
5
3
2
0
0
0
0
NA

Jun

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

Jul

NA
NA
NA
NA
NA
5
5
3
2
2
1
0
0
0
0
NA

Aug

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

Sep

NA
NA
NA
NA
NA
8
7
5
3
2
1
0
0
0
0
NA

Oct

NA
NA
NA
NA
NA
7
7
5
3
2
1
*
*
*
*
NA

Nov

NA
NA
NA
NA
NA
7
6
4
2
1
1
1
*
*
*
NA

Dec

NA
NA
NA
NA
NA
7
6
3
2
1
*
2
1
1
1
NA

Ann

NA
NA
NA
NA
NA
88
79
53
37
24
11
8
5
4
4
NA

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

76
0
.22
2.22

February

81
9
.52
2.46

March

90
17
.98
3.49

April

93
28
1.55
4.96

May

96
39
2.47
8.43

June

103
51
1.91
6.17

July

106
59
.66
4.45

August

108
56
.76
4.20

September

102
42
1.42
5.59

October

94
31
1.15
5.40

November

84
16
.55
3.25

December

77
7
.42
2.66

Annual

109
-1
27.22
42.22

Monthly Extremes

 

Temperature (F) (1900-1977)

Precipitation (inches) (1900-2010)

Snowfall (1900-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan

88
(31st, 1911)
-14
( 4th, 1947)
6.59" (1916)
2.66" (31st, 1923)
14.5" (1930)
8.0" ( 8th, 1944)
14.0" ( 7th, 1988)

Feb

94
(27th, 1904)
-9
(13th, 1905)
7.29" (1938)
3.56" (23rd, 1985)
16.0" (1921)
10.0" (19th, 1921)
8.0" ( 9th, 1978)

Mar

97
(21st, 1916)
4
(12th, 1948)
6.86" (1973)
3.85" (20th, 1985)
13.0" (1968)
8.0" ( 1st, 1942)
9.0" ( 6th, 1989)

Apr

99
(18th, 1925)
21
( 2nd, 1936)
10.92" (1922)
4.91" (30th, 2009)
2.0" (1938)
2.0" ( 7th, 1938)
2.0" ( 7th, 1938)

May

104
(22nd, 1939)
32
( 1st, 1903)
16.08" (1957)
9.38" (28th, 1987)
.0" -
.0" -
.0" -

Jun

110
(16th, 1911)
43
( 1st, 1903)
16.39" (1908)
6.14" ( 8th, 1945)
.0" -
.0" -
.0" -

Jul

112
(19th, 1925)
51
( 9th, 1952)
7.37" (1950)
3.50" (24th, 1975)
.0" -
.0" -
.0" -

Aug

114
(11th, 1936)
47
(31st, 1915)
10.07" (1971)
6.15" (19th, 2007)
.0" -
.0" -
.0" -

Sep

108
( 1st, 1939)
35
(27th, 1942)
11.67" (1945)
5.45" (13th, 1976)
.0" -
.0" -
.0" -

Oct

102
( 1st, 1938)
15
(30th, 1917)
16.33" (1983)
7.06" (20th, 1983)
1.0" (1993)
1.0" (30th, 1993)
1.0" (30th, 1993)

Nov

87
( 2nd, 1916)
9
(18th, 1903)
10.87" (1902)
7.68" (11th, 1992)
6.0" (2001)
5.0" (17th, 1980)
6.0" (29th, 2001)

Dec

86
(24th, 1955)
-1
(28th, 1924)
5.67" (1932)
3.01" (23rd, 1932)
11.0" (2009)
10.0" (25th, 2009)
10.0" (25th, 2009)

Annual

114
(Aug 11, 1936)
-14
(Jan 4, 1947)
16.39" (Jun 1908)
9.38" (May 28, 1987)
16.0" (Feb 1921)
10.0" (Feb 19, 1921)
14.0" (Jan 7, 1988)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November   8
November   2
October  20

2 Years in 10

November  12
November   4
October  26

5 Years in 10

November  29
November  14
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  30
April   9
April  16

2 Years in 10

March  23
April   3
April  11

5 Years in 10

March  13
March  21
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
213
196

8 Years in 10

239
223
201

5 Years in 10

260
238
215

2 Years in 10

279
253
227

1 Year in 10

292
265
239

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN

1.31
1.78
2.79
3.33
5.41
4.48
2.51
2.90
3.84
3.93
2.48
1.92
36.69

10%

.05
.15
.47
.87
1.60
1.34
.23
.40
.83
.65
.17
.19
21.33

20%

.22
.52
.98
1.55
2.47
1.91
.66
.76
1.42
1.15
.55
.42
27.22

30%

.49
.78
1.38
1.98
3.11
2.66
1.03
1.28
1.91
1.56
.86
.71
30.36

40%

.87
.99
1.76
2.31
4.06
3.23
1.36
1.75
2.39
2.22
1.13
.90
32.36

50%

1.20
1.19
1.93
3.19
4.77
3.90
2.16
2.24
3.10
2.79
1.54
1.37
33.70

60%

1.59
1.53
2.34
3.62
5.89
4.53
2.85
2.77
3.65
3.45
1.96
1.63
36.10

70%

1.81
2.03
2.85
4.11
6.94
4.91
3.58
3.28
4.84
4.29
2.63
2.18
38.27

80%

2.22
2.46
3.49
4.96
8.43
6.17
4.45
4.20
5.59
5.40
3.25
2.66
42.22

90%

2.61
3.42
4.32
6.12
10.31
8.31
5.10
6.02
7.45
7.85
5.03
4.08
46.54