OK03 Coop Summary

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Cooperative Observer Station Summary

ATOKA DAM (340394)
*

ATOKA County

Climate Division: 8
*

Latitude: 3427N;     Longitude: 09604W

Elevation: 594 ft
*

Precipitation Period of Record:

1963/01-1999/12 ( 95%)
*

Temperature Period of Record:

1963/01-1999/12 ( 88%)

 

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
NA
.8

February

NA
NA
NA
NA
1.1

March

NA
NA
NA
NA
.0

April

NA
NA
NA
NA
.0

May

NA
NA
NA
NA
.0

June

NA
NA
NA
NA
.0

July

NA
NA
NA
NA
.0

August

NA
NA
NA
NA
.0

September
NA
NA
NA
NA
.0

October

NA
NA
NA
NA
.0

November

NA
NA
NA
NA
.1

December

NA
NA
NA
NA
.1

Annual

NA
NA
NA
NA
1.9

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
NA
NA
NA
NA
NA
NA
1
*
*
*
NA

Feb
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1
*
*
*
NA

Mar
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
*
*
*
*
NA

Apr
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

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

Jun
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

Jul
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

Aug
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

Sep
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

Oct
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0
0
0
0
NA

Nov
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
*
*
*
*
NA

Dec
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
*
*
*
*
NA

Ann
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
3
1
1
1
NA

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
4
NA
NA

February

82
9
1.10
3.51

March

86
20
NA
NA

April

89
31
2.57
6.58

May

92
42
NA
NA

June

100
52
2.66
6.47

July

106
60
1.26
3.99

August

106
58
1.18
3.24

September
102
42
NA
NA

October

94
33
1.06
5.48

November

84
20
NA
NA

December

77
11
1.25
3.79

Annual

109
2
NA
NA

Monthly Extremes

 

Temperature (F) (1963-1999)

Precipitation (inches) (1963-1999)

Snowfall (1963-1999)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
79
( 9th, 1969)
-5
(10th, 1977)
6.72" (1990)
3.79" ( 5th, 1998)
7.8" (1966)
4.0" ( 9th, 1977)
4.0" (16th, 1964)

Feb
91
(23rd, 1996)
2
(18th, 1978)
5.85" (1966)
4.40" ( 9th, 1966)
10.5" (1979)
6.5" ( 7th, 1979)
4.0" ( 9th, 1978)

Mar
91
(13th, 1967)
14
( 4th, 1978)
8.16" (1968)
6.00" (28th, 1977)
3.8" (1965)
3.5" (25th, 1965)
1.0" (12th, 1968)

Apr
95
( 1st, 1974)
27
( 3rd, 1975)
10.29" (1967)
3.90" (20th, 1976)
.0" -
.0" -
.0" -

May
95
(31st, 1985)
37
(19th, 1971)
9.22" (1989)
4.75" ( 8th, 1995)
.0" -
.0" -
.0" -

Jun
104
(27th, 1980)
47
( 1st, 1983)
8.11" (1974)
4.02" (12th, 1970)
.0" -
.0" -
.0" -

Jul
110
( 8th, 1984)
50
( 6th, 1972)
7.08" (1981)
2.97" ( 7th, 1982)
.0" -
.0" -
.0" -

Aug
110
( 3rd, 1998)
53
(13th, 1967)
8.55" (1966)
3.40" (27th, 1964)
.0" -
.0" -
.0" -

Sep
112
( 8th, 1985)
40
(29th, 1967)
13.35" (1980)
8.00" (28th, 1980)
.0" -
.0" -
.0" -

Oct
99
( 1st, 1998)
27
(20th, 1989)
10.03" (1984)
4.69" (22nd, 1984)
.0" -
.0" -
.0" -

Nov
87
( 5th, 1987)
11
(30th, 1976)
5.95" (1973)
4.80" (26th, 1973)
2.0" (1976)
2.0" (14th, 1976)
.1" (23rd, 1971)

Dec
80
( 8th, 1966)
1
(25th, 1983)
8.03" (1971)
3.01" (21st, 1987)
2.0" (1975)
2.0" (29th, 1975)
1.0" (27th, 1967)

Annual
112
(Sep 8, 1985)
-5
(Jan 10, 1977)
13.35" (Sep 1980)
8.00" (Sep 28, 1980)
10.5" (Feb 1979)
6.5" (Feb 7, 1979)
4.0" (Jan 16, 1964)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November  12
November   4
October  20

2 Years in 10
November  15
November   9
November   1

5 Years in 10
November  24
November  20
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  15
March  31
April  14

2 Years in 10
March  10
March  25
April   7

5 Years in 10
February  27
March  13
March  27

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
249
231
202

8 Years in 10
255
236
212

5 Years in 10
275
250
229

2 Years in 10
306
274
243

1 Year in 10

311
289
259

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA

10%
NA
.35
NA
1.78
NA
1.90
.47
.83
NA
.87
NA
.96
NA

20%
NA
1.10
NA
2.57
NA
2.66
1.26
1.18
NA
1.06
NA
1.25
NA

30%
NA
1.82
NA
3.08
NA
2.93
1.43
1.42
NA
1.39
NA
1.68
NA

40%
NA
2.07
NA
3.75
NA
3.23
1.89
1.89
NA
1.74
NA
1.76
NA

50%
NA
2.33
NA
4.58
NA
3.98
2.27
1.99
NA
2.45
NA
2.03
NA

60%
NA
2.90
NA
5.38
NA
4.96
3.06
2.51
NA
3.41
NA
2.09
NA

70%
NA
3.06
NA
6.18
NA
5.17
3.58
2.78
NA
4.33
NA
2.44
NA

80%
NA
3.51
NA
6.58
NA
6.47
3.99
3.24
NA
5.48
NA
3.79
NA

90%
NA
4.80
NA
7.98
NA
7.11
4.86
6.05
NA
8.35
NA
4.48
NA