OK78 Coop Summary

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Cooperative Observer Station Summary

SALLISAW 2 NE (347862)
*

SEQUOYAH County

Climate Division: 6
*

Latitude: 3527N;     Longitude: 09448W

Elevation: 659 ft
*

Precipitation Period of Record:

1893/04-2010/10 ( 75%)
*

Temperature Period of Record:

1893/04-2010/10 ( 75%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

49.0
27.2
37.9
2.17
2.8

February

55.5
31.9
NA
2.75
1.7

March

64.5
40.4
52.2
4.26
.6

April

73.4
48.5
60.6
4.37
.0

May

80.0
58.0
68.8
5.67
.0

June

87.5
65.8
76.4
4.57
.0

July

93.2
70.0
81.3
2.82
.0

August

92.7
69.2
80.8
3.26
.0

September
85.2
62.1
73.4
4.62
.0

October

75.1
50.6
62.6
4.25
.0

November

61.4
39.3
50.1
4.86
.4

December

51.4
30.4
40.6
2.93
.9

Annual

NA
NA
NA
NA
6.4

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
22
*
8
5
3
2
1
1
2
1
1
1
2

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

Mar
0
*
*
7
0
9
8
6
5
3
1
1
*
*
*
*

Apr
0
*
0
1
0
10
8
6
5
3
1
*
*
*
0
*

May
0
2
0
0
0
12
9
7
6
4
2
0
0
0
0
0

Jun
*
11
0
0
0
9
8
6
4
3
1
0
0
0
0
0

Jul
4
23
0
0
0
6
5
4
3
2
1
0
0
0
0
0

Aug
5
22
0
0
0
7
5
4
3
2
1
0
0
0
0
0

Sep
1
9
0
0
0
9
8
6
5
3
2
0
0
0
0
0

Oct
0
1
0
1
0
9
7
5
4
3
2
*
0
0
0
0

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

Dec
0
0
2
18
*
8
6
4
3
2
1
1
*
*
*
1

Ann
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
6
4
3
2
5

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
2
.75
3.91

February

79
9
1.00
4.24

March

85
17
1.63
5.20

April

90
28
2.45
6.41

May

92
39
3.04
8.52

June

99
50
2.51
6.38

July

105
57
1.13
4.18

August

106
54
1.12
5.09

September
100
41
1.75
6.80

October

93
29
1.70
6.28

November

82
16
1.29
5.30

December

76
8
1.35
4.28

Annual

107
-3
36.10
52.47

Monthly Extremes

 

Temperature (F) (1893-2010)

Precipitation (inches) (1893-2010)

Snowfall (1893-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
81
(30th, 1917)
-19
(18th, 1930)
8.45" (1998)
3.82" ( 2nd, 1966)
13.2" (1977)
7.5" (11th, 1954)
9.0" ( 7th, 1988)

Feb
90
(26th, 1917)
-11
( 2nd, 1951)
10.54" (1938)
4.18" ( 9th, 1966)
13.0" (1921)
13.0" (19th, 1921)
9.0" ( 8th, 1929)

Mar
94
(31st, 1974)
1
(12th, 1948)
13.11" (1945)
4.24" (19th, 2008)
9.0" (1989)
6.0" ( 6th, 1989)
9.0" ( 6th, 1989)

Apr
98
( 2nd, 1918)
23
( 3rd, 1936)
14.21" (1927)
5.20" (13th, 1927)
.5" (1973)
.5" (10th, 1973)
.1" ( 9th, 1973)

May
102
(26th, 1893)
31
( 4th, 1944)
14.43" (1990)
4.50" (10th, 1930)
.0" -
.0" -
.0" -

Jun
109
(21st, 1936)
43
(27th, 1920)
11.77" (1935)
5.70" (10th, 1945)
.0" -
.0" -
.0" -

Jul
113
(23rd, 1919)
49
(28th, 1944)
13.88" (2004)
6.40" ( 2nd, 2004)
.0" -
.0" -
.0" -

Aug
115
(10th, 1936)
49
(15th, 1929)
9.58" (1940)
5.20" (23rd, 1928)
.0" -
.0" -
.0" -

Sep
110
( 3rd, 1939)
30
(27th, 1942)
12.54" (2010)
7.40" ( 9th, 2010)
.0" -
.0" -
.0" -

Oct
100
( 5th, 1918)
18
(20th, 1989)
14.23" (1969)
5.65" (11th, 1969)
.0" (1993)
.0" (29th, 1993)
.0" -

Nov
91
( 6th, 1916)
9
(29th, 1976)
12.57" (1946)
4.59" (25th, 1973)
3.0" (1952)
3.0" (29th, 1952)
3.0" (26th, 1975)

Dec
82
( 9th, 1939)
-15
(15th, 1916)
8.15" (1987)
4.00" (12th, 1927)
9.0" (1916)
8.0" (14th, 1916)
8.0" (14th, 1916)

Annual
115
(Aug 10, 1936)
-19
(Jan 18, 1930)
14.43" (May 1990)
7.40" (Sep 9, 2010)
13.2" (Jan 1977)
13.0" (Feb 19, 1921)
9.0" (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   2
October  24
October  15

2 Years in 10
November   9
November   1
October  22

5 Years in 10
November  19
November  10
November   1

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

March  29
April   9
April  20

2 Years in 10
March  22
April   5
April  15

5 Years in 10
March   7
March  22
April   5

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
220
208
190

8 Years in 10
234
213
193

5 Years in 10
253
232
211

2 Years in 10
284
250
227

1 Year in 10

303
265
237

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
2.17
2.75
4.26
4.37
5.67
4.57
2.82
3.26
4.62
4.25
4.86
2.93
NA

10%
.53
.70
1.24
1.75
2.24
1.79
.75
.50
1.30
.64
.87
.69
33.58

20%
.75
1.00
1.63
2.45
3.04
2.51
1.13
1.12
1.75
1.70
1.29
1.35
36.10

30%
1.28
1.53
2.17
2.97
3.83
2.98
1.46
1.86
2.15
2.33
1.91
1.57
39.01

40%
1.62
1.95
2.83
3.55
4.61
3.46
1.92
2.54
3.00
2.87
2.22
2.10
40.99

50%
2.34
2.29
3.12
4.05
5.76
4.08
2.61
3.03
3.63
3.38
3.11
2.44
44.78

60%
2.55
2.95
3.80
4.65
6.26
4.82
3.06
3.65
4.27
4.86
3.77
2.84
48.63

70%
2.97
3.49
4.31
5.78
6.91
5.40
3.60
4.76
5.75
5.62
4.61
3.53
50.19

80%
3.91
4.24
5.20
6.41
8.52
6.38
4.18
5.09
6.80
6.28
5.30
4.28
52.47

90%
6.28
6.25
6.69
7.74
9.59
8.77
8.22
6.22
8.49
7.85
7.26
5.28
57.34