OK82 Coop Summary

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Cooperative Observer Station Summary

SMITHVILLE (348285)
*

MCCURTAIN County

Climate Division: 9
*

Latitude: 3428N;     Longitude: 09439W

Elevation: 829 ft
*

Precipitation Period of Record:

1888/02-2008/09 ( 64%)
*

Temperature Period of Record:

1888/02-2006/09 ( 62%)

 

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
3.25
1.5

February

56.5
30.8
43.4
3.37
1.7

March

NA
NA
NA
NA
.0

April

72.4
46.1
59.0
4.85
.0

May

NA
NA
NA
NA
.0

June

NA
62.9
NA
4.60
.0

July

91.8
NA
NA
4.12
.0

August

NA
NA
NA
NA
.0

September
NA
NA
NA
NA
.0

October

NA
NA
NA
NA
.0

November

61.7
37.9
49.7
5.13
.1

December

NA
NA
NA
5.15
.4

Annual

NA
NA
NA
NA
4.1

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
NA
NA
NA
NA
NA
9
6
5
4
2
1
1
1
1
1
1

Feb
0
0
1
17
*
7
5
5
4
2
1
1
1
1
1
1

Mar
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
*
0
0
0
*

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

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

Jun
NA
NA
NA
0
0
9
7
6
5
3
1
0
0
0
0
0

Jul
3
20
0
NA
NA
8
6
5
4
3
1
0
0
0
0
0

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

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

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

Nov
0
0
*
11
0
9
7
6
4
3
2
*
*
*
*
*

Dec
NA
NA
NA
NA
NA
9
6
6
4
3
2
1
*
*
*
1

Ann
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
4
2
2
2
NA

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
3
1.41
5.97

February

79
9
1.70
5.80

March

83
16
2.84
6.29

April

89
25
3.10
7.34

May

92
35
3.53
8.66

June

99
46
1.91
7.00

July

105
53
1.72
6.90

August

106
51
1.19
5.53

September
101
36
1.80
7.02

October

93
26
1.92
7.94

November

82
16
1.77
7.12

December

77
8
2.38
7.06

Annual

107
0
44.89
63.40

Monthly Extremes

 

Temperature (F) (1888-2006)

Precipitation (inches) (1888-2008)

Snowfall (1888-2008)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
81
(23rd, 1943)
-6
(18th, 1930)
13.85" (1950)
3.55" (30th, 1969)
10.0" (2000)
7.6" ( 7th, 1944)
10.0" (28th, 2000)

Feb
84
(21st, 1996)
-22
( 2nd, 1951)
10.67" (1945)
5.80" (12th, 1950)
15.0" (1979)
10.0" (25th, 1979)
8.0" (25th, 2003)

Mar
91
(24th, 1929)
4
( 9th, 1996)
19.46" (1945)
7.84" (29th, 1945)
12.5" (1942)
8.0" (13th, 1924)
3.0" (13th, 1924)

Apr
96
( 3rd, 1935)
18
( 4th, 1987)
13.72" (1927)
4.16" (22nd, 1974)
.0" (1933)
.0" (15th, 1933)
.0" -

May
99
(31st, 1934)
29
( 4th, 1954)
22.00" (1990)
6.35" (20th, 1960)
.0" -
.0" -
.0" -

Jun
108
(21st, 1936)
39
(11th, 1988)
11.91" (1997)
7.50" (30th, 1997)
.0" -
.0" -
.0" -

Jul
111
(29th, 1930)
46
( 6th, 1972)
11.67" (1960)
6.64" (25th, 1960)
.0" -
.0" -
.0" -

Aug
115
(10th, 1936)
44
(15th, 1929)
10.01" (1974)
6.47" (17th, 1940)
.0" -
.0" -
.0" -

Sep
107
( 2nd, 1951)
29
(24th, 1989)
14.41" (1923)
6.60" (19th, 1923)
.0" -
.0" -
.0" -

Oct
101
( 1st, 1938)
16
(24th, 1938)
14.25" (1993)
10.45" (31st, 1972)
.0" (1925)
.0" (28th, 1925)
.0" -

Nov
86
( 2nd, 1924)
8
(29th, 1976)
13.81" (1946)
6.00" ( 8th, 1944)
2.0" (1976)
2.0" (16th, 1950)
2.0" (14th, 1976)

Dec
81
( 7th, 1939)
-6
(22nd, 1989)
15.92" (1971)
8.67" (10th, 1971)
7.5" (1932)
6.0" (25th, 1975)
8.0" (16th, 1932)

Annual
115
(Aug 10, 1936)
-22
(Feb 2, 1951)
22.00" (May 1990)
10.45" (Oct 31, 1972)
15.0" (Feb 1979)
10.0" (Feb 25, 1979)
10.0" (Jan 28, 2000)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

October  26
October  19
October   6

2 Years in 10
November   4
October  23
October  10

5 Years in 10
November  15
November   3
October  22

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   7
April  16
May   1

2 Years in 10
March  31
April  11
April  23

5 Years in 10
March  17
March  31
April  12

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
217
196
170

8 Years in 10
225
201
177

5 Years in 10
243
214
192

2 Years in 10
268
231
204

1 Year in 10

278
239
214

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
3.25
3.37
NA
4.85
NA
4.60
4.12
NA
NA
NA
5.13
5.15
NA

10%
.83
1.50
2.14
2.41
2.63
1.39
1.15
.62
1.19
.76
1.45
1.73
39.50

20%
1.41
1.70
2.84
3.10
3.53
1.91
1.72
1.19
1.80
1.92
1.77
2.38
44.89

30%
2.28
2.40
3.18
3.64
3.85
2.86
1.94
1.72
2.61
2.73
2.40
2.95
51.07

40%
2.88
2.80
3.82
3.91
4.95
3.47
3.12
2.34
3.17
3.43
3.11
3.71
53.28

50%
3.27
3.67
4.47
4.34
6.02
4.13
3.71
3.08
3.59
4.40
3.84
4.43
55.49

60%
3.82
3.95
4.81
5.40
6.96
4.86
4.88
3.70
4.23
5.36
4.52
5.01
56.99

70%
4.82
4.78
5.39
6.25
7.96
5.96
5.93
4.66
5.07
6.51
5.93
5.58
60.29

80%
5.97
5.80
6.29
7.34
8.66
7.00
6.90
5.53
7.02
7.94
7.12
7.06
63.40

90%
7.10
6.82
8.28
8.96
11.67
8.47
8.11
6.61
9.60
10.21
8.15
8.74
70.71