OK08 Coop Summary

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Cooperative Observer Station Summary

BLANCHARD 2 SSW (340830)
*

MCCLAIN County

Climate Division: 5
*

Latitude: 3507N;     Longitude: 09740W

Elevation: 1274 ft
*

Precipitation Period of Record:

1952/09-2010/10 ( 95%)
*

Temperature Period of Record:

1952/09-2010/10 ( 95%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

49.2
NA
NA
1.16
2.9

February

55.7
32.0
43.7
1.72
1.3

March

64.3
39.9
NA
2.72
.6

April

73.2
48.8
60.8
3.37
.1

May

NA
NA
NA
NA
.0

June

NA
NA
NA
3.84
.0

July

93.9
70.4
81.9
2.54
.0

August

93.6
69.6
81.4
2.50
.0

September
NA
NA
NA
3.78
.0

October

NA
50.9
NA
3.59
.0

November

NA
NA
NA
2.22
.6

December

NA
NA
NA
NA
1.1

Annual

NA
NA
NA
NA
6.1

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

Feb
0
*
2
14
*
7
5
3
2
1
1
2
1
1
*
2

Mar
0
*
*
7
0
9
7
5
3
2
1
1
*
*
*
1

Apr
*
*
0
1
0
9
7
5
3
2
1
*
*
*
*
*

May
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
0

Jun
NA
NA
NA
NA
NA
8
7
6
4
3
1
0
0
0
0
0

Jul
5
24
0
0
0
7
5
4
2
2
1
0
0
0
0
0

Aug
5
24
0
0
0
7
6
4
3
2
1
0
0
0
0
0

Sep
NA
NA
NA
NA
NA
8
6
5
4
3
1
0
0
0
0
0

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

Nov
NA
NA
NA
NA
NA
8
6
4
3
2
*
1
*
*
*
1

Dec
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2
1
1
*
2

Ann
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
8
4
3
2
8

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
4
.19
2.10

February

81
9
.72
2.57

March

89
15
1.37
3.61

April

92
30
1.81
4.94

May

97
41
2.33
8.55

June

100
52
1.88
5.35

July

107
58
.50
4.89

August

106
56
1.31
4.43

September
101
42
1.88
5.71

October

94
30
1.11
5.36

November

83
18
.47
3.62

December

75
7
.59
2.94

Annual

109
2
27.67
40.44

Monthly Extremes

 

Temperature (F) (1952-2010)

Precipitation (inches) (1952-2010)

Snowfall (1952-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
81
(23rd, 2009)
-6
( 8th, 1988)
4.26" (1998)
2.82" ( 4th, 1998)
19.0" (1988)
13.0" ( 7th, 1988)
7.0" ( 9th, 1965)

Feb
91
(22nd, 1996)
-2
( 4th, 1996)
4.01" (1997)
2.18" (21st, 1997)
10.0" (1968)
6.0" (21st, 1966)
8.0" (17th, 1978)

Mar
95
(11th, 1967)
4
( 3rd, 1960)
8.29" (2007)
3.13" ( 4th, 2004)
11.0" (1968)
8.8" (12th, 1958)
6.0" (12th, 1958)

Apr
100
(12th, 1972)
19
( 3rd, 1975)
8.33" (1957)
3.60" (26th, 1963)
2.0" (1973)
2.0" ( 8th, 1973)
.1" (12th, 1957)

May
102
(24th, 2000)
33
( 3rd, 1954)
12.33" (1957)
7.65" (28th, 1987)
.0" -
.0" -
.0" -

Jun
107
(14th, 1953)
44
( 5th, 1964)
13.00" (2007)
4.09" ( 5th, 1985)
.0" -
.0" -
.0" -

Jul
110
(12th, 1954)
53
(21st, 1970)
9.75" (2004)
4.88" (10th, 2007)
.0" -
.0" -
.0" -

Aug
112
( 5th, 1964)
50
(26th, 1962)
11.80" (1996)
5.21" (19th, 2007)
.0" -
.0" -
.0" -

Sep
110
( 3rd, 2000)
36
(24th, 1989)
10.97" (1970)
4.90" (22nd, 1970)
.0" -
.0" -
.0" -

Oct
100
( 4th, 1963)
18
(31st, 1993)
13.13" (1983)
8.60" (19th, 1983)
.2" (1993)
.2" (30th, 1993)
.1" (30th, 1993)

Nov
85
( 1st, 1952)
10
( 3rd, 1991)
7.13" (1964)
2.48" (17th, 1964)
6.0" (2001)
4.5" (18th, 1972)
6.0" (29th, 2001)

Dec
85
(24th, 1955)
-11
(23rd, 1989)
5.24" (1991)
2.72" ( 8th, 1980)
11.5" (1954)
8.0" (25th, 2009)
8.0" (25th, 2009)

Annual
112
(Aug 5, 1964)
-11
(Dec 23, 1989)
13.13" (Oct 1983)
8.60" (Oct 19, 1983)
19.0" (Jan 1988)
13.0" (Jan 7, 1988)
8.0" (Feb 17, 1978)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November   5
October  30
October  20

2 Years in 10
November  11
November   4
October  27

5 Years in 10
November  27
November  11
November   5

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

March  28
April   6
April  14

2 Years in 10
March  23
March  31
April  10

5 Years in 10
March   8
March  22
April   2

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
235
219
197

8 Years in 10
244
224
206

5 Years in 10
259
237
218

2 Years in 10
275
257
234

1 Year in 10

286
270
248

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
1.16
1.72
2.72
3.37
NA
3.84
2.54
2.50
3.78
3.59
2.22
NA
NA

10%
.10
.44
.93
1.46
1.92
1.23
.29
.79
1.01
.62
.21
.38
25.34

20%
.19
.72
1.37
1.81
2.33
1.88
.50
1.31
1.88
1.11
.47
.59
27.67

30%
.36
.97
1.51
2.17
2.85
2.49
1.04
1.81
2.36
1.70
.81
.97
29.85

40%
.86
1.25
1.92
2.65
4.13
2.73
1.77
2.11
2.92
2.11
1.31
1.28
32.70

50%
1.20
1.45
2.13
2.89
4.85
3.42
2.41
2.44
3.89
2.40
1.61
1.72
33.57

60%
1.50
1.76
2.39
3.30
5.66
4.11
3.13
3.36
4.38
3.04
1.77
2.13
35.51

70%
1.66
2.01
3.44
4.29
6.80
4.93
3.81
3.83
5.11
4.21
2.44
2.40
37.58

80%
2.10
2.57
3.61
4.94
8.55
5.35
4.89
4.43
5.71
5.36
3.62
2.94
40.44

90%
2.66
3.18
5.13
5.76
9.38
8.82
8.14
5.88
6.74
7.45
4.51
3.85
44.63