OK42 Coop Summary

Back to County Climate Harmon Share on Facebook Share Share on Twitter Tweet

Cooperative Observer Station Summary

HOLLIS (344249)

*

HARMON County

Climate Division: 7

*

Latitude: 3441N;     Longitude: 09949W

Elevation: 1620 ft

*

Precipitation Period of Record:

1922/08-2010/10 ( 97%)

*

Temperature Period of Record:

1922/08-2010/10 ( 96%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

52.8
24.6
38.4
.71
2.0

February

59.0
29.7
44.1
1.13
2.2

March

68.6
37.4
52.7
1.59
.2

April

77.1
46.1
61.2
2.61
.1

May

84.6
56.9
70.5
3.85
.0

June

92.8
65.6
79.0
4.19
.0

July

97.4
69.4
82.9
1.70
.0

August

95.8
67.9
81.5
2.48
.0

September

87.8
60.6
73.9
3.07
.0

October

77.7
48.9
63.0
2.41
.0

November

63.5
36.2
49.5
1.12
.3

December

54.2
27.1
40.3
.94
1.2

Annual

76.1
47.6
61.5
25.92
5.6

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
26
*
4
3
2
1
*
*
2
1
1
1
2

Feb

0
*
1
18
*
4
3
3
2
1
*
1
1
1
1
1

Mar

*
1
*
9
0
5
5
3
2
1
*
*
*
*
*
*

Apr

*
3
0
2
0
6
5
4
3
2
1
*
*
*
*
*

May

1
10
0
0
0
8
8
5
4
3
1
0
0
0
0
0

Jun

5
21
0
0
0
7
7
6
4
3
1
0
0
0
0
0

Jul

12
28
0
0
0
5
5
3
2
1
*
0
0
0
0
0

Aug

10
26
0
0
0
6
5
4
3
1
1
0
0
0
0
0

Sep

2
14
0
*
0
6
6
4
3
2
1
0
0
0
0
0

Oct

*
3
*
1
0
5
5
4
2
2
1
*
0
0
0
*

Nov

0
0
*
10
0
5
4
3
1
1
*
*
*
*
*
*

Dec

0
0
2
23
*
4
3
2
1
1
*
1
1
*
*
1

Ann

30
106
6
88
*
67
60
42
28
16
7
5
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

80
2
.06
1.34

February

85
9
.12
1.51

March

92
15
.41
2.28

April

98
26
.86
3.50

May

103
39
1.77
5.61

June

108
52
1.27
5.57

July

110
59
.41
2.98

August

110
56
.51
3.81

September

104
40
.90
4.76

October

97
30
.69
4.16

November

86
16
.11
1.76

December

80
8
.12
1.43

Annual

111
-1
17.29
30.14

Monthly Extremes

 

Temperature (F) (1922-2010)

Precipitation (inches) (1922-2010)

Snowfall (1922-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan

86
( 4th, 2006)
-12
(10th, 1930)
3.12" (1939)
2.00" ( 8th, 1939)
12.1" (1930)
8.0" (21st, 1926)
8.0" (21st, 1926)

Feb

92
(11th, 1962)
-10
(11th, 1986)
3.90" (1987)
2.23" (21st, 1997)
12.3" (1968)
7.5" (27th, 1945)
8.0" (27th, 1945)

Mar

102
(27th, 1971)
2
( 2nd, 1980)
5.85" (1929)
4.54" (27th, 1929)
12.0" (1969)
9.5" ( 1st, 1942)
6.0" (15th, 1969)

Apr

103
(12th, 1972)
20
( 3rd, 1975)
10.28" (1997)
3.50" (17th, 1931)
6.7" (1938)
5.3" ( 4th, 1937)
4.0" ( 7th, 1938)

May

110
(23rd, 1953)
32
( 1st, 1960)
12.70" (1941)
4.50" (20th, 1941)
.0" -
.0" -
.0" -

Jun

117
(14th, 1953)
44
( 1st, 1983)
9.65" (1941)
4.28" (23rd, 1959)
.0" -
.0" -
.0" -

Jul

116
(19th, 1936)
48
( 3rd, 1924)
8.14" (1950)
3.89" (21st, 1990)
.0" -
.0" -
.0" -

Aug

117
(12th, 1936)
50
(24th, 1961)
9.55" (1995)
4.76" (27th, 1979)
.0" -
.0" -
.0" -

Sep

110
( 2nd, 1951)
31
(21st, 1983)
8.82" (1976)
4.48" (12th, 2008)
.0" -
.0" -
.0" -

Oct

106
( 3rd, 2000)
17
(31st, 1993)
13.06" (1923)
5.00" (12th, 1923)
.0" (1936)
.0" (22nd, 1936)
.0" -

Nov

94
( 5th, 1945)
10
(26th, 1993)
6.00" (2004)
2.57" (15th, 2001)
6.0" (1972)
5.8" (18th, 1962)
4.0" (30th, 2006)

Dec

89
(24th, 1955)
-9
(23rd, 1989)
6.75" (1932)
4.32" (23rd, 1932)
12.0" (1932)
10.0" (15th, 1932)
10.0" (15th, 1932)

Annual

117
(Jun 14, 1953)
-12
(Jan 10, 1930)
13.06" (Oct 1923)
5.00" (Oct 12, 1923)
12.3" (Feb 1968)
10.0" (Dec 15, 1932)
10.0" (Dec 15, 1932)

First Freezing Temperature in Fall

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

November   3
October  27
October  17

2 Years in 10

November  10
November   2
October  22

5 Years in 10

November  22
November  11
November   1

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   5
April  12
April  16

2 Years in 10

March  30
April   7
April  13

5 Years in 10

March  17
March  28
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

223
209
193

8 Years in 10

229
212
197

5 Years in 10

249
224
208

2 Years in 10

270
244
219

1 Year in 10

283
252
224

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN

.71
1.13
1.59
2.61
3.85
4.19
1.70
2.48
3.07
2.41
1.12
.94
25.92

10%

.00
.01
.11
.35
1.05
.60
.20
.20
.27
.14
.00
.01
15.71

20%

.06
.12
.41
.86
1.77
1.27
.41
.51
.90
.69
.11
.12
17.29

30%

.18
.30
.63
1.25
2.39
1.79
.80
.81
1.32
1.02
.33
.25
19.62

40%

.30
.44
.79
1.72
2.89
2.63
1.17
1.24
1.69
1.41
.51
.40
22.06

50%

.42
.68
.96
1.99
3.23
3.33
1.65
1.73
2.37
1.72
.62
.53
23.26

60%

.60
.90
1.31
2.27
3.85
3.97
1.94
2.41
2.89
2.14
.94
.73
24.47

70%

.82
1.14
1.81
2.81
4.78
4.85
2.49
3.26
3.59
3.39
1.22
.97
28.36

80%

1.34
1.51
2.28
3.50
5.61
5.57
2.98
3.81
4.76
4.16
1.76
1.43
30.14

90%

1.92
2.38
3.61
5.46
7.29
6.84
3.89
5.36
6.42
6.03
2.54
2.43
33.04