STIL Mesonet Summary

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Mesonet Station Summary

CAUTION: Mesonet data are only available since 1994, a period considered too short to give reliable climate statistics for temperature and precipitation. Cooperative observer sites are strongly recommended for these purposes. Other variables, such as humidity, soil temperatures, and winds, are not available from cooperative observer sites and Mesonet represents the best-available information.

STIL     Stillwater (Stillwater 2.0 W )
*

Payne County

Climate Division: 5
*

Latitude: 3607N;     Longitude: 9705W

Elevation: 892 ft
*

Period of Record:

19940101-20101231

 

Monthly Averages (1994-2010)

 

Temperature (deg Fahrenheit)

Precipitation (inches)

Wind (Miles Per Hour)

Solar Radiation

 

Daily Max

Daily Min

Daily Avg

Monthly Average

Direction

Speed

Daily Avg (MJ/m2)

January

48.9
25.7
37.3
NA
NW
7.2
8.9

February

53.9
29.4
41.6
1.33
NW
7.7
11.8

March

62.0
37.7
49.9
3.05
SE
8.8
15.0

April

71.9
47.0
59.4
3.60
SSE
8.9
19.2

May

79.7
57.7
68.7
4.37
SE
7.6
21.2

June

87.2
66.5
76.8
5.36
SSE
7.4
23.2

July

92.6
70.8
81.7
3.64
SSE
6.5
24.2

August

92.8
69.9
81.3
3.31
SSE
6.0
21.7

September
84.1
60.4
72.2
3.19
SE
6.2
17.4

October

73.1
48.7
60.9
NA
SE
6.6
13.2

November

61.7
37.5
49.6
2.09
SE
6.9
9.6

December

50.2
27.5
38.9
NA
NA
NA
8.1

Annual

71.6
48.3
59.9
NA
SSE
7.2
16.1

Monthly Extremes (1994-2010)

 

Temperature (F)

Precipitation (inches)

Wind Speed

 

Record High

Record Low

Monthly Max

Daily Max

Rain Rate (in/hr)

Peak Gust (mph)

Jan
79
( 2nd, 1997)
0
(19th, 1996)
3.81" (1998)
2.51" ( 4th, 1998)
3.12" ( 4th, 1998)
48
( 9th, 2009)

Feb
92
(22nd, 1996)
-18
( 4th, 1996)
3.33" (1997)
2.05" (20th, 1997)
2.64" ( 5th, 2008)
51
(24th, 2001)

Mar
92
(21st, 1997)
6
( 8th, 1996)
7.12" (1998)
2.60" ( 4th, 2004)
4.08" (31st, 2008)
53
(27th, 1997)

Apr
100
(17th, 2006)
23
( 6th, 1996)
6.55" (1999)
3.04" ( 9th, 2008)
4.68" (24th, 2006)
59
(24th, 2006)

May
98
(25th, 2006)
33
( 3rd, 2005)
10.43" (2007)
3.17" (13th, 2005)
5.76" (13th, 2005)
53
(13th, 2005)

Jun
103
(26th, 2009)
46
( 6th, 1998)
16.74" (2007)
5.32" ( 1st, 2007)
5.04" (29th, 1997)
59
( 2nd, 2004)

Jul
110
( 6th, 1996)
53
(28th, 2005)
7.01" (2007)
2.96" (12th, 2008)
3.96" ( 5th, 2005)
52
(24th, 1995)

Aug
107
(10th, 2006)
48
(15th, 1994)
8.77" (2005)
3.47" ( 1st, 1995)
7.56" (10th, 1996)
54
(30th, 1994)

Sep
108
( 3rd, 2000)
33
(26th, 2000)
5.73" (1999)
2.72" (23rd, 1997)
4.44" (14th, 2005)
50
(10th, 1999)

Oct
94
( 3rd, 2000)
21
( 9th, 2000)
7.80" (1998)
3.45" ( 8th, 2009)
4.08" (20th, 1996)
50
(15th, 2001)

Nov
87
( 8th, 2006)
15
(16th, 1997)
5.30" (1994)
3.22" ( 1st, 1998)
4.20" (20th, 1994)
48
(15th, 2005)

Dec
77
(26th, 2008)
-1
( 9th, 2005)
4.58" (1999)
1.96" ( 9th, 1999)
2.76" (27th, 2008)
47
(24th, 2009)

Annual
110
(Jul 6, 1996)
-18
(Feb 4, 1996)
16.74" (Jun 2007)
5.32" (Jun 1, 2007)
7.56" (Aug 10, 1996)
59
(Apr 24, 2006)

Mean Monthly Humidity and Moisture (1994-2010)

 

Daily Max Relative Humidity

Daily Min Relative Humidity

Daily Average Relative Humidity

Daily Average Dewpoint

Daily Average Vapor Deficit

January

90
45
69
26
3.1

February

89
42
66
29
4.1

March

88
40
64
37
5.7

April

89
39
64
45
7.9

May

93
48
71
58
8.4

June

92
49
72
66
10.7

July

89
44
67
68
14.4

August

90
42
67
67
14.5

September
93
44
70
60
10.0

October

92
44
70
49
6.7

November

91
43
69
38
4.7

December

91
46
70
28
3.0

Annual

91
44
68
48
7.8

Soil Temperature at 10 cm (4-inch) Depth (1994-2010)

 

Average Temperature Beneath Sod

Average Temperature Beneath Bare Soil

Average Daily Max Temperature

Average Daily Min Temperature

January

41
41
44
38

February

44
44
48
40

March

50
51
57
47

April

59
61
67
56

May

68
71
78
65

June

76
80
87
74

July

81
86
93
79

August

80
85
92
79

September
74
76
82
71

October

64
64
70
59

November

54
52
57
48

December

44
42
46
39

Annual

61
63
68
58

Wind Rose: Wedges show the percent of time for each direction from which the wind blows