OK03 Coop Summary

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Cooperative Observer Station Summary

ARNETT (340332)
*

ELLIS County

Climate Division: 1
*

Latitude: 3608N;     Longitude: 09946W

Elevation: 2464 ft
*

Precipitation Period of Record:

1911/03-2010/10 ( 80%)
*

Temperature Period of Record:

1911/03-2004/06 ( 84%)

 

Monthly Averages (1971-2000)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Snowfall and Sleet (inches)

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Monthly Average

January

45.1
20.2
32.4
.63
1.9

February

51.1
25.0
37.8
.95
2.9

March

59.4
33.2
46.0
1.95
.8

April

69.3
42.4
55.6
2.23
.3

May

77.1
52.8
64.7
4.54
.0

June

86.2
62.4
74.0
3.50
.0

July

92.3
67.0
79.4
2.09
.0

August

91.0
65.6
78.0
2.41
.0

September
82.5
57.2
69.6
2.54
.0

October

71.8
45.0
58.2
2.15
.0

November

57.3
32.2
44.5
1.44
1.9

December

47.2
23.3
35.0
1.01
1.8

Annual

69.2
43.9
56.3
25.35
9.1

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
0
0
6
29
1
6
4
2
1
*
0
2
1
1
1
2

Feb
0
0
4
22
1
6
5
2
1
1
*
2
1
1
1
2

Mar
0
*
1
14
0
7
6
4
3
1
1
1
1
*
*
1

Apr
0
1
*
4
0
8
7
4
3
2
1
*
*
*
*
*

May
*
3
0
*
0
10
9
6
4
3
2
0
0
0
0
0

Jun
1
11
0
0
0
10
8
6
4
2
1
0
0
0
0
0

Jul
4
22
0
0
0
7
6
4
2
1
1
0
0
0
0
0

Aug
3
20
0
0
0
8
7
4
2
2
1
0
0
0
0
0

Sep
1
9
0
*
0
8
7
4
3
2
1
0
0
0
0
0

Oct
0
1
*
2
0
6
5
3
2
1
*
*
*
0
0
*

Nov
0
0
1
15
0
6
5
3
2
1
*
1
1
1
1
1

Dec
0
0
5
27
1
5
4
2
1
1
*
2
1
1
*
2

Ann
8
65
17
114
2
87
71
43
28
16
7
9
5
3
3
9

Exceedence Values (2 in 10 years)

Month

Maximum Temperature Higher Than:

Minimum Temperature Lower Than:

Precipitation Less Than:

Precipitation Greater Than:

January

75
-3
.16
1.14

February

81
2
.24
1.55

March

87
10
.33
2.55

April

92
24
.90
3.56

May

97
34
2.02
6.05

June

103
48
1.45
5.12

July

105
55
.83
3.40

August

105
54
1.12
3.35

September
100
38
.75
3.47

October

94
27
.45
3.29

November

82
12
.09
2.15

December

75
1
.20
1.49

Annual

107
-5
19.29
27.78

Monthly Extremes

 

Temperature (F) (1911-2004)

Precipitation (inches) (1911-2010)

Snowfall (1911-2010)

 

Record High

Record Low

Monthly Max

Daily Max

Monthly Max

Daily Max

Greatest Depth

Jan
85
(21st, 1986)
-18
(12th, 1912)
2.86" (1939)
1.49" ( 8th, 1939)
11.5" (1993)
7.0" ( 6th, 1940)
11.0" ( 6th, 1940)

Feb
88
(24th, 1918)
-12
( 8th, 1933)
3.52" (1960)
1.75" (25th, 1912)
22.0" (1971)
14.0" (22nd, 1971)
20.0" (22nd, 1971)

Mar
93
(31st, 1940)
-6
(11th, 1948)
5.44" (1973)
2.23" (23rd, 2000)
17.5" (1969)
16.1" (31st, 1961)
12.0" (31st, 1961)

Apr
98
(24th, 1989)
12
( 2nd, 1936)
6.63" (1997)
2.95" ( 5th, 1939)
13.0" (1938)
7.0" ( 8th, 1973)
7.0" ( 8th, 1973)

May
102
(22nd, 1939)
28
( 2nd, 1954)
11.32" (1982)
4.09" (21st, 1977)
.0" (1935)
.0" ( 4th, 1935)
.0" -

Jun
110
(25th, 1911)
41
( 2nd, 1919)
11.42" (1962)
4.38" (11th, 1983)
.0" -
.0" -
.0" -

Jul
110
(13th, 1933)
52
(25th, 1911)
11.40" (1950)
3.05" ( 1st, 1971)
.0" -
.0" -
.0" -

Aug
110
(12th, 1936)
48
(29th, 1917)
8.74" (1977)
3.55" (28th, 1978)
.0" -
.0" -
.0" -

Sep
105
( 3rd, 1947)
30
(30th, 1985)
5.79" (1945)
3.27" (28th, 1945)
.0" -
.0" -
.0" -

Oct
99
( 9th, 1979)
14
(31st, 1993)
11.30" (2000)
5.55" (25th, 2000)
1.5" (1932)
1.5" (25th, 1932)
2.0" (25th, 1932)

Nov
88
( 9th, 1980)
3
(29th, 1911)
7.09" (1964)
2.69" ( 4th, 1986)
21.0" (1972)
12.0" (25th, 1992)
12.0" (25th, 1992)

Dec
87
(25th, 1955)
-11
(23rd, 1989)
3.53" (1984)
2.01" (10th, 1943)
14.7" (2002)
12.1" ( 5th, 1999)
12.0" (20th, 1911)

Annual
110
(Jun 25, 1911)
-18
(Jan 12, 1912)
11.42" (Jun 1962)
5.55" (Oct 25, 2000)
22.0" (Feb 1971)
16.1" (Mar 31, 1961)
20.0" (Feb 22, 1971)

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  24
October  12

2 Years in 10
November   3
October  27
October  17

5 Years in 10
November  17
November   5
October  26

Last Freezing Temperature in Spring

Probability

24 F or Lower

28 F or Lower

32 F or Lower

1 Year in 10

April   9
April  14
April  29

2 Years in 10
April   4
April  11
April  21

5 Years in 10
March  22
April   2
April  11

Number of Days in Growing Season

Probability

Higher Than 24 F

Higher Than 28 F

Higher Than 32 F

9 Years in 10
212
196
182

8 Years in 10
223
203
186

5 Years in 10
237
218
196

2 Years in 10
254
232
209

1 Year in 10

262
245
217

Precipitation Quantiles (Inches)

PERCENT

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

ANNUAL

MEAN
.63
.95
1.95
2.23
4.54
3.50
2.09
2.41
2.54
2.15
1.44
1.01
25.35

10%
.07
.07
.10
.61
1.54
.94
.37
.68
.26
.24
.00
.02
15.05

20%
.16
.24
.33
.90
2.02
1.45
.83
1.12
.75
.45
.09
.20
19.29

30%
.27
.54
.62
1.05
2.53
2.11
1.06
1.48
1.15
.81
.26
.30
20.84

40%
.36
.66
1.02
1.35
3.04
2.65
1.47
1.76
1.60
1.23
.59
.44
21.89

50%
.52
.76
1.27
1.75
3.61
3.20
2.01
2.19
1.83
1.45
.74
.70
22.99

60%
.57
.96
1.42
2.28
4.28
3.79
2.20
2.53
2.65
1.80
.98
.78
24.79

70%
.75
1.31
1.82
2.95
5.36
4.59
2.83
3.05
3.12
2.54
1.35
.98
26.05

80%
1.14
1.55
2.55
3.56
6.05
5.12
3.40
3.35
3.47
3.29
2.15
1.49
27.78

90%
1.28
2.17
3.39
4.18
7.45
6.15
4.86
3.94
4.58
5.10
3.15
2.46
31.36