OK86 Coop Summary

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Cooperative Observer Station Summary

TAHLEQUAH (348677)
*

CHEROKEE County

Climate Division: 6
*

Latitude: 3556N;     Longitude: 09458W

Elevation: 849 ft
*

Precipitation Period of Record:

1900/01-2008/10 ( 82%)
*

Temperature Period of Record:

1900/01-2008/10 ( 82%)

 

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
26.3
NA
2.40
2.7

February

54.1
30.4
41.7
2.35
1.9

March

63.7
39.6
51.4
4.19
.3

April

72.6
47.9
59.9
4.02
.0

May

79.2
56.8
67.6
5.61
.0

June

86.3
64.5
75.1
5.15
.0

July

92.0
68.7
80.0
3.55
.0

August

92.1
67.7
79.6
3.19
.0

September
84.3
60.6
72.1
5.27
.0

October

73.8
NA
NA
4.28
.0

November

60.4
NA
NA
4.58
.6

December

50.7
29.7
39.9
3.30
.9

Annual

71.6
NA
NA
48.66
6.3

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
22
*
7
6
4
3
2
1
2
1
1
1
2

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

Mar
0
*
*
8
0
9
8
6
4
3
1
*
*
*
*
*

Apr
0
*
0
2
0
9
8
6
5
3
1
0
0
0
0
0

May
0
*
0
0
0
10
10
8
6
4
2
0
0
0
0
0

Jun
*
9
0
0
0
9
8
7
5
3
2
0
0
0
0
0

Jul
3
21
0
0
0
6
6
4
3
2
1
0
0
0
0
0

Aug
3
22
0
0
0
6
6
5
3
2
1
0
0
0
0
0

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

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

Nov
0
0
*
NA
NA
8
7
6
4
3
2
*
*
*
*
*

Dec
0
0
2
19
*
7
6
5
3
2
1
1
*
*
*
1

Ann
6
61
7
NA
NA
95
85
67
49
31
15
4
3
2
2
4

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

74
-2
.85
3.19

February

78
4
.96
3.64

March

85
13
1.71
5.30

April

89
26
2.40
6.30

May

91
36
3.36
7.94

June

99
47
2.40
8.30

July

104
55
.96
5.52

August

105
53
1.65
5.97

September
101
38
1.92
6.18

October

91
26
1.53
6.17

November

81
15
1.00
5.28

December

75
5
.88
4.36

Annual

107
-5
36.93
54.05

Monthly Extremes

 

Temperature (F) (1900-2008)

Precipitation (inches) (1900-2008)

Snowfall (1900-2008)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
78
(11th, 1916)
-23
(18th, 1930)
7.41" (1932)
3.73" (21st, 1916)
17.5" (1977)
14.0" ( 9th, 1977)
14.0" ( 9th, 1977)

Feb
88
(22nd, 1996)
-13
(10th, 1929)
8.68" (1938)
4.10" (17th, 2008)
11.4" (1961)
8.0" (23rd, 1975)
11.0" (24th, 1975)

Mar
96
(21st, 1916)
-10
(12th, 1948)
10.82" (1945)
3.78" (12th, 1975)
18.0" (1964)
12.0" (10th, 1964)
10.0" (10th, 1964)

Apr
94
( 5th, 1946)
19
( 3rd, 1936)
11.28" (1945)
4.03" (15th, 1945)
2.6" (1957)
2.6" (13th, 1957)
2.0" (13th, 1957)

May
97
(31st, 1934)
30
( 4th, 1954)
17.35" (1943)
4.72" (10th, 1943)
.0" -
.0" -
.0" -

Jun
108
(22nd, 1936)
41
( 4th, 1919)
14.23" (2000)
4.04" ( 9th, 1974)
.0" -
.0" -
.0" -

Jul
118
(18th, 1936)
45
(31st, 1971)
13.44" (1961)
6.13" (15th, 1961)
.0" -
.0" -
.0" -

Aug
118
( 9th, 1936)
45
(31st, 1915)
13.09" (1915)
7.35" (14th, 2002)
.0" -
.0" -
.0" -

Sep
109
( 3rd, 1939)
28
(30th, 1984)
12.67" (1970)
6.23" (26th, 1996)
.0" -
.0" -
.0" -

Oct
98
( 1st, 1953)
16
(30th, 1917)
16.45" (1941)
6.60" ( 9th, 1970)
.0" (1913)
.0" (26th, 1913)
.1" (30th, 1993)

Nov
89
( 1st, 1927)
6
(24th, 1950)
11.34" (1994)
5.37" ( 5th, 1994)
4.7" (1972)
3.5" (23rd, 1971)
4.0" (23rd, 1971)

Dec
80
(14th, 1948)
-14
(23rd, 1989)
7.52" (1984)
3.10" (24th, 1932)
7.4" (1969)
5.5" (11th, 1985)
6.0" (31st, 1969)

Annual
118
(Jul 18, 1936)
-23
(Jan 18, 1930)
17.35" (May 1943)
7.35" (Aug 14, 2002)
18.0" (Mar 1964)
14.0" (Jan 9, 1977)
14.0" (Jan 9, 1977)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

October  30
October  20
October   8

2 Years in 10
November   3
October  25
October  16

5 Years in 10
November  15
November   6
October  27

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   4
April  14
April  24

2 Years in 10
March  29
April   8
April  20

5 Years in 10
March  17
March  27
April  10

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
217
201
178

8 Years in 10
222
205
184

5 Years in 10
245
223
198

2 Years in 10
270
238
215

1 Year in 10

276
248
230

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
2.40
2.35
4.19
4.02
5.61
5.15
3.55
3.19
5.27
4.28
4.58
3.30
48.66

10%
.49
.59
1.33
1.89
2.78
1.34
.43
.99
1.11
.87
.66
.52
31.14

20%
.85
.96
1.71
2.40
3.36
2.40
.96
1.65
1.92
1.53
1.00
.88
36.93

30%
1.15
1.49
2.09
3.16
3.77
3.30
1.53
2.00
3.02
2.10
2.01
1.33
39.58

40%
1.51
1.75
2.55
3.74
4.46
3.94
2.28
2.45
3.47
2.71
2.39
1.84
42.60

50%
1.79
2.09
3.05
4.22
4.84
4.64
2.69
2.83
3.96
3.42
3.58
2.10
45.72

60%
2.12
2.69
3.67
4.55
5.89
5.67
3.63
3.72
4.85
4.37
3.96
2.71
48.15

70%
2.52
2.90
4.35
5.41
6.85
6.53
4.25
4.22
5.48
5.19
4.30
3.32
50.92

80%
3.19
3.64
5.30
6.30
7.94
8.30
5.52
5.97
6.18
6.17
5.28
4.36
54.05

90%
5.32
4.94
7.74
7.90
9.64
9.60
8.56
7.06
8.87
8.39
6.66
5.57
58.42