OK89 Coop Summary

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Cooperative Observer Station Summary

TULSA INTL AP (348992)
*

TULSA County

Climate Division: 3
*

Latitude: 3612N;     Longitude: 09553W

Elevation: 649 ft
*

Precipitation Period of Record:

1938/12-2010/10 ( 95%)
*

Temperature Period of Record:

1938/12-2010/10 ( 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

46.0
26.3
35.9
1.57
2.5

February

52.7
31.2
41.7
1.95
2.2

March

62.3
40.3
51.0
3.60
1.1

April

71.9
49.5
60.4
3.95
.0

May

79.2
59.0
68.8
6.11
.0

June

87.5
67.9
77.5
4.73
.0

July

93.5
73.1
83.0
2.97
.0

August

92.9
71.2
81.8
2.85
.0

September
83.8
62.9
73.1
4.76
.0

October

73.5
51.1
62.1
4.13
.0

November

59.5
39.3
49.2
3.47
.6

December

49.1
29.7
39.1
2.38
1.7

Annual

71.1
50.2
60.4
42.51
8.5

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
5
22
*
10
6
3
2
1
*
5
2
1
1
5

Feb
0
*
2
15
*
10
6
4
2
1
*
4
2
1
1
3

Mar
0
*
*
7
0
13
9
6
4
3
1
2
*
*
*
1

Apr
*
*
0
1
0
12
9
6
4
3
1
*
*
0
0
*

May
0
2
0
0
0
14
10
7
6
4
2
0
0
0
0
0

Jun
*
13
0
0
0
12
9
7
5
3
1
0
0
0
0
0

Jul
5
24
0
0
0
9
6
4
3
2
1
0
0
0
0
0

Aug
6
22
0
0
0
9
7
4
3
2
1
0
0
0
0
0

Sep
1
9
0
0
0
11
8
6
4
3
2
0
0
0
0
0

Oct
0
1
0
*
0
10
8
5
4
3
1
*
*
0
0
*

Nov
0
0
*
8
0
10
7
5
3
2
1
1
*
*
*
1

Dec
0
0
3
19
*
10
7
4
3
2
1
3
1
1
1
3

Ann
12
73
12
73
1
129
92
61
43
28
13
15
6
4
3
13

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
-1
.68
2.37

February

79
6
.87
2.65

March

87
15
1.23
4.73

April

91
29
1.91
5.92

May

94
41
2.94
8.92

June

99
52
2.73
7.25

July

105
59
1.08
5.64

August

105
55
1.44
4.86

September
101
42
1.85
6.73

October

93
32
1.31
6.26

November

83
18
.63
4.83

December

75
5
.82
3.13

Annual

107
-1
33.25
48.51

Monthly Extremes

 

Temperature (F) (1938-2010)

Precipitation (inches) (1938-2010)

Snowfall (1938-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
79
(24th, 1950)
-6
(30th, 1949)
6.65" (1949)
2.13" (31st, 1983)
12.7" (1979)
8.6" ( 6th, 1988)
8.0" ( 8th, 1944)

Feb
90
(22nd, 1996)
-11
( 4th, 1996)
5.75" (1985)
2.99" (22nd, 1985)
12.0" (1960)
7.0" (23rd, 2003)
6.0" ( 1st, 1949)

Mar
96
(31st, 1974)
-3
(12th, 1948)
11.94" (1973)
3.05" (28th, 2004)
14.1" (1994)
12.9" ( 9th, 1994)
9.0" ( 9th, 1994)

Apr
102
(12th, 1972)
22
(13th, 1957)
9.34" (2008)
4.40" ( 4th, 1964)
1.7" (1957)
1.7" (12th, 1957)
.1" ( 2nd, 1949)

May
97
(25th, 2006)
35
( 1st, 1960)
18.01" (1943)
6.95" (27th, 1984)
.0" -
.0" -
.0" -

Jun
103
(20th, 1953)
49
( 4th, 1954)
11.18" (1948)
4.90" ( 8th, 1974)
.0" -
.0" -
.0" -

Jul
112
(14th, 1954)
51
(31st, 1971)
11.41" (1994)
7.54" (27th, 1963)
.0" -
.0" -
.0" -

Aug
110
( 5th, 1964)
50
(31st, 2009)
8.78" (2003)
5.37" (20th, 1989)
.0" -
.0" -
.0" -

Sep
109
( 2nd, 1939)
35
(27th, 1942)
18.81" (1971)
6.39" ( 4th, 1940)
.0" -
.0" -
.0" -

Oct
98
( 6th, 1939)
18
(31st, 1993)
16.51" (1941)
5.45" ( 2nd, 1959)
.3" (1993)
.3" (30th, 1993)
.0" -

Nov
86
( 7th, 2005)
10
(29th, 1976)
7.30" (1974)
4.59" (20th, 1979)
10.5" (2006)
10.4" (30th, 2006)
2.0" (28th, 1958)

Dec
80
(13th, 1948)
-8
(23rd, 1989)
8.70" (1984)
3.27" (31st, 1984)
11.5" (2000)
7.8" (29th, 1954)
8.0" (30th, 1954)

Annual
112
(Jul 14, 1954)
-11
(Feb 4, 1996)
18.81" (Sep 1971)
7.54" (Jul 27, 1963)
14.1" (Mar 1994)
12.9" (Mar 9, 1994)
9.0" (Mar 9, 1994)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November  10
November   2
October  24

2 Years in 10
November  11
November   4
October  29

5 Years in 10
November  28
November  14
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  26
April   7
April  14

2 Years in 10
March  22
March  31
April   8

5 Years in 10
March   8
March  21
March  29

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
232
220
203

8 Years in 10
245
227
209

5 Years in 10
266
240
221

2 Years in 10
291
255
233

1 Year in 10

299
274
242

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
1.57
1.95
3.60
3.95
6.11
4.73
2.97
2.85
4.76
4.13
3.47
2.38
42.51

10%
.39
.57
.91
1.38
2.14
1.72
.40
1.14
.89
.95
.27
.45
29.01

20%
.68
.87
1.23
1.91
2.94
2.73
1.08
1.44
1.85
1.31
.63
.82
33.25

30%
.80
1.15
1.84
2.25
3.72
3.31
1.80
1.86
2.68
1.65
1.32
1.13
34.05

40%
.98
1.32
2.28
3.00
5.11
3.78
2.14
2.30
3.09
2.52
1.73
1.39
36.92

50%
1.33
1.60
2.84
3.84
5.30
4.60
2.43
3.09
3.52
2.76
2.09
1.63
38.97

60%
1.61
1.98
3.25
4.45
6.59
5.77
3.34
3.55
4.59
3.53
2.78
1.88
42.02

70%
2.07
2.28
3.71
5.10
6.94
6.29
4.37
4.06
5.33
5.12
3.52
2.53
44.75

80%
2.37
2.65
4.73
5.92
8.92
7.25
5.64
4.86
6.73
6.26
4.83
3.13
48.51

90%
3.27
3.45
6.51
7.33
9.80
9.17
9.02
5.92
9.70
8.52
6.28
4.32
53.13