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.

GRA2     Grandfield (Grandfield 3.3 W )
*

Tillman County

Climate Division: 7
*

Latitude: 3414N;     Longitude: 9844W

Elevation: 1118 ft
*

Period of Record:

19940101-20041231

 

Monthly Averages (1994-2004)

 

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

54.2
29.2
41.7
1.56
SSE
10.3
10.5

February

58.8
32.4
45.6
1.77
SSE
10.8
12.9

March

65.2
39.0
52.1
2.44
SE
11.6
17.0

April

75.0
48.1
61.5
3.42
SSE
12.1
20.8

May

84.7
59.6
72.1
3.14
SE
11.6
22.9

June

91.5
67.4
79.4
5.46
SE
11.3
24.1

July

98.4
72.3
85.3
NA
SE
10.4
25.6

August

96.3
71.2
83.8
3.68
SE
9.4
22.8

September
88.8
62.8
75.8
1.90
SE
9.5
19.1

October

76.7
52.3
64.5
4.66
SE
10.4
14.4

November

63.7
40.5
52.1
3.58
SSE
10.3
10.5

December

54.9
30.8
42.8
1.56
SSE
9.9
9.5

Annual

75.7
50.5
63.1
36.42
SE
10.6
17.5

Monthly Extremes (1994-2004)

 

Temperature (F)

Precipitation (inches)

Wind Speed

 

Record High

Record Low

Monthly Max

Daily Max

Rain Rate (in/hr)

Peak Gust (mph)

Jan
83
( 3rd, 1997)
8
(19th, 1996)
3.51" (1998)
2.55" (29th, 1999)
2.52" ( 3rd, 1998)
50
(17th, 1996)

Feb
93
(22nd, 1996)
2
( 4th, 1996)
4.37" (1994)
2.48" (19th, 1994)
15.12" (19th, 1994)
67
( 8th, 2001)

Mar
95
(21st, 1997)
7
( 3rd, 2002)
4.88" (1998)
2.57" (18th, 1999)
3.48" ( 4th, 2004)
60
( 4th, 2004)

Apr
97
(14th, 1994)
25
( 6th, 1994)
6.50" (1997)
3.86" (24th, 1994)
11.34" (24th, 1994)
61
(29th, 2004)

May
110
(24th, 2000)
37
( 1st, 1994)
7.72" (1995)
11.42" (25th, 1994)
19.37" (25th, 1994)
69
(26th, 2000)

Jun
117
(27th, 1994)
49
( 6th, 1998)
16.49" (1995)
8.23" ( 4th, 1995)
9.92" ( 6th, 1994)
94
( 4th, 1995)

Jul
110
( 7th, 1996)
57
( 1st, 1995)
12.34" (1994)
5.79" ( 6th, 1994)
11.81" ( 9th, 1994)
79
(23rd, 1995)

Aug
110
( 7th, 2003)
61
(16th, 1994)
15.20" (1994)
14.45" (14th, 1994)
23.62" (14th, 1994)
65
(14th, 1994)

Sep
111
( 4th, 2000)
38
(26th, 2000)
7.35" (1995)
2.44" (23rd, 1997)
4.08" (23rd, 1997)
48
(12th, 1995)

Oct
102
( 2nd, 2000)
25
( 9th, 2000)
15.95" (1994)
6.30" ( 7th, 1994)
17.95" (21st, 1994)
54
(29th, 1999)

Nov
87
( 1st, 2001)
17
(27th, 2002)
16.83" (1994)
10.20" ( 4th, 1994)
7.56" ( 4th, 1994)
55
(20th, 1994)

Dec
82
(10th, 1996)
8
(19th, 1996)
4.18" (1997)
1.42" ( 9th, 1999)
3.31" ( 6th, 1994)
54
( 4th, 1999)

Annual
117
(Jun 27, 1994)
2
(Feb 4, 1996)
16.83" (Nov 1994)
14.45" (Aug 14, 1994)
23.62" (Aug 14, 1994)
94
(Jun 4, 1995)

Mean Monthly Humidity and Moisture (1994-2004)

 

Daily Max Relative Humidity

Daily Min Relative Humidity

Daily Average Relative Humidity

Daily Average Dewpoint

Daily Average Vapor Deficit

January

89
42
68
30
3.6

February

88
42
67
32
4.8

March

89
40
66
39
5.9

April

90
40
65
48
8.1

May

91
41
67
59
11.2

June

90
40
66
65
14.5

July

NA
NA
NA
NA
NA

August

83
35
59
65
19.4

September
86
36
61
59
14.4

October

88
42
67
50
8.4

November

91
47
71
41
4.6

December

90
44
70
31
3.5

Annual

88
41
66
49
9.9

Soil Temperature at 10 cm (4-inch) Depth (1994-2004)

 

Average Temperature Beneath Sod

Average Temperature Beneath Bare Soil

Average Daily Max Temperature

Average Daily Min Temperature

January

44
43
48
40

February

47
47
51
43

March

53
54
60
49

April

62
64
71
58

May

71
74
81
68

June

78
82
89
76

July

85
89
97
83

August

84
88
96
82

September
78
80
87
74

October

67
68
73
63

November

56
54
59
50

December

46
45
49
41

Annual

64
66
72
61

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