OK02 Coop Summary

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Cooperative Observer Station Summary

ARDMORE (340292)
*

CARTER County

Climate Division: 8
*

Latitude: 3410N;     Longitude: 09708W

Elevation: 879 ft
*

Precipitation Period of Record:

1901/01-2010/10 ( 96%)
*

Temperature Period of Record:

1901/01-2009/09 ( 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

53.0
30.9
41.6
1.84
1.4

February

58.7
35.4
46.8
2.14
1.0

March

67.7
NA
NA
3.09
.2

April

75.3
51.9
63.3
3.21
.0

May

82.4
61.0
71.4
5.07
.0

June

89.6
NA
NA
NA
.0

July

94.6
72.9
83.5
2.44
.0

August

94.6
72.1
83.1
2.50
.0

September
87.0
65.0
75.7
4.15
.0

October

77.3
54.3
65.4
4.47
.0

November

64.1
42.7
53.2
2.77
.2

December

55.2
33.9
44.3
2.36
.4

Annual

75.1
NA
NA
NA
3.0

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
17
*
7
5
3
2
1
*
1
*
*
*
1

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

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

Apr
0
*
0
*
0
7
6
5
4
2
1
*
0
0
0
0

May
*
4
0
0
0
9
8
6
5
3
2
0
0
0
0
0

Jun
1
16
0
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
0

Jul
6
26
0
0
0
5
5
3
3
2
1
0
0
0
0
0

Aug
6
25
0
0
0
6
5
3
2
2
1
0
0
0
0
0

Sep
1
12
0
0
0
7
6
5
4
2
2
0
0
0
0
0

Oct
0
2
0
*
0
7
7
5
4
3
2
*
0
0
0
*

Nov
0
0
*
5
0
7
6
4
3
2
1
*
*
*
*
*

Dec
0
0
1
14
*
6
5
4
2
2
1
1
*
*
*
1

Ann
15
86
4
NA
NA
NA
NA
NA
NA
NA
NA
3
1
1
1
2

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

78
5
.43
2.66

February

83
10
.60
3.29

March

90
20
1.06
4.05

April

93
32
1.98
5.48

May

96
42
2.32
7.67

June

103
54
1.97
5.97

July

107
60
.59
4.62

August

107
59
.87
4.63

September
102
45
1.19
5.62

October

96
34
1.24
5.45

November

85
21
.65
3.82

December

79
10
.78
3.52

Annual

109
4
27.24
43.26

Monthly Extremes

 

Temperature (F) (1901-2009)

Precipitation (inches) (1901-2010)

Snowfall (1901-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
89
(31st, 1911)
-8
(18th, 1930)
11.50" (1916)
6.30" (21st, 1916)
10.8" (1966)
8.0" ( 9th, 1977)
7.0" ( 6th, 1988)

Feb
95
(24th, 1918)
-3
(13th, 1905)
6.51" (1997)
3.95" (20th, 1997)
14.0" (1905)
7.0" (16th, 1903)
7.0" (11th, 2010)

Mar
98
(21st, 1916)
7
( 3rd, 1943)
8.37" (1945)
3.74" (27th, 1977)
6.5" (1942)
6.5" ( 1st, 1942)
5.0" (15th, 1947)

Apr
101
(18th, 1925)
25
( 2nd, 1936)
13.55" (1967)
7.35" (12th, 1967)
.0" (1955)
.0" ( 6th, 1955)
.0" -

May
105
(28th, 1927)
32
( 1st, 1903)
16.00" (1943)
6.18" ( 9th, 1993)
.0" -
.0" -
.0" -

Jun
112
(25th, 1918)
48
( 2nd, 1903)
10.93" (1908)
4.40" ( 8th, 1991)
.0" -
.0" -
.0" -

Jul
111
(31st, 1914)
54
( 5th, 1915)
8.94" (1926)
6.15" (19th, 1919)
.0" -
.0" -
.0" -

Aug
114
(11th, 1936)
50
(31st, 1915)
13.59" (1919)
10.20" (18th, 1919)
.0" -
.0" -
.0" -

Sep
110
( 3rd, 2000)
35
(27th, 1942)
10.54" (1973)
4.95" (20th, 1918)
.0" -
.0" -
.0" -

Oct
102
( 1st, 1938)
18
(30th, 1917)
16.85" (1981)
6.50" (13th, 1981)
.0" (1993)
.0" (30th, 1925)
.0" -

Nov
93
( 7th, 1908)
13
(14th, 1940)
10.18" (1902)
4.08" ( 5th, 1913)
3.0" (1918)
3.0" (25th, 1918)
1.0" (21st, 1906)

Dec
92
(30th, 1951)
-8
(23rd, 1989)
8.78" (1932)
5.84" (23rd, 1932)
8.5" (2009)
8.0" (29th, 1954)
8.0" (25th, 2009)

Annual
114
(Aug 11, 1936)
-8
(Jan 18, 1930)
16.85" (Oct 1981)
10.20" (Aug 18, 1919)
14.0" (Feb 1905)
8.0" (Jan 9, 1977)
8.0" (Dec 25, 2009)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November  13
November   4
October  27

2 Years in 10
November  18
November  11
November   2

5 Years in 10
December   6
November  23
November  11

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

March  21
March  31
April  10

2 Years in 10
March  14
March  25
April   7

5 Years in 10
February  27
March  11
March  23

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
250
226
209

8 Years in 10
260
238
218

5 Years in 10
282
258
235

2 Years in 10
300
279
254

1 Year in 10

311
289
265

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
1.84
2.14
3.09
3.21
5.07
NA
2.44
2.50
4.15
4.47
2.77
2.36
NA

10%
.28
.30
.49
1.36
1.65
.74
.18
.32
.49
.39
.26
.22
25.73

20%
.43
.60
1.06
1.98
2.32
1.97
.59
.87
1.19
1.24
.65
.78
27.24

30%
.85
1.12
1.58
2.46
2.80
2.63
1.20
1.17
1.67
1.88
.91
.89
31.45

40%
1.33
1.41
2.08
2.88
3.51
3.19
1.77
1.45
2.44
2.53
1.31
1.34
32.84

50%
1.57
1.70
2.63
3.18
4.20
3.54
2.22
1.91
2.94
3.29
1.69
1.82
34.85

60%
1.84
2.12
3.10
3.85
5.41
4.15
2.70
2.52
3.82
3.86
2.33
2.03
38.27

70%
2.25
2.31
3.57
4.71
6.68
4.83
3.15
3.44
4.78
4.66
2.99
2.79
39.97

80%
2.66
3.29
4.05
5.48
7.67
5.97
4.62
4.63
5.62
5.45
3.82
3.52
43.26

90%
3.91
4.14
5.41
7.28
9.96
8.02
5.75
6.33
8.37
8.05
4.86
4.61
49.50