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.

COPA     Copan (Copan 2.0 ENE)
*

Washington County

Climate Division: 3
*

Latitude: 3654N;     Longitude: 9553W

Elevation: 820 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

45.4
24.9
35.1
1.52
SSE
8.9
8.4

February

52.0
29.5
40.7
2.50
SSE
9.3
11.3

March

59.0
36.6
47.8
3.57
SSE
10.2
15.1

April

69.5
47.2
58.3
7.24
SSE
11.0
18.7

May

77.7
57.3
67.5
6.63
SSE
9.3
21.2

June

85.1
65.1
75.1
4.96
SE
8.3
22.9

July

91.3
70.2
80.7
4.26
SSE
7.7
23.6

August

92.3
68.7
80.5
3.23
SSE
7.3
21.9

September
83.3
59.4
71.4
3.23
SE
7.6
17.5

October

72.1
49.2
60.7
3.87
SSE
8.5
13.1

November

58.7
37.3
48.0
3.86
SSE
8.9
8.8

December

48.2
28.2
38.2
2.24
SSE
8.6
7.7

Annual

69.6
47.9
58.8
46.20
SSE
8.8
15.9

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
76
( 2nd, 1997)
-5
( 2nd, 2001)
2.74" (2002)
2.34" (30th, 2002)
5.52" (30th, 2002)
50
(28th, 1996)

Feb
89
(22nd, 1996)
-8
( 4th, 1996)
11.76" (1994)
8.46" (19th, 1994)
8.98" (19th, 1994)
51
(24th, 2001)

Mar
90
(22nd, 1995)
4
( 8th, 1996)
7.44" (1994)
3.84" ( 4th, 2004)
10.87" ( 6th, 1994)
60
( 7th, 2000)

Apr
87
(11th, 1996)
25
( 6th, 1996)
38.30" (1994)
15.08" (10th, 1994)
17.48" (10th, 1994)
58
(28th, 1996)

May
91
(23rd, 2000)
36
( 3rd, 2004)
14.49" (1994)
11.69" ( 6th, 1994)
17.48" ( 6th, 1994)
59
(16th, 2003)

Jun
105
(25th, 1994)
47
( 1st, 2001)
7.85" (1995)
2.83" ( 5th, 1994)
6.61" ( 5th, 1994)
56
( 6th, 1996)

Jul
112
( 6th, 1996)
53
(27th, 2004)
19.97" (1994)
5.67" (21st, 1994)
9.45" (14th, 1994)
59
( 2nd, 1994)

Aug
107
(31st, 2000)
50
(13th, 2004)
9.53" (1994)
3.98" (26th, 1994)
8.03" (26th, 1994)
72
( 5th, 2003)

Sep
108
( 2nd, 2000)
32
(22nd, 1995)
7.84" (1994)
3.19" ( 1st, 1994)
8.50" (21st, 1994)
61
( 7th, 2001)

Oct
91
( 2nd, 2000)
23
( 9th, 2000)
13.63" (1994)
4.13" (21st, 1994)
17.76" (30th, 1998)
49
( 4th, 1998)

Nov
83
(12th, 1999)
16
(28th, 1995)
20.77" (1994)
5.79" (20th, 1994)
10.87" ( 4th, 1994)
46
(16th, 1996)

Dec
76
( 5th, 1998)
-1
(22nd, 2000)
4.74" (1994)
2.03" ( 4th, 1999)
2.04" ( 4th, 1999)
49
(30th, 1997)

Annual
112
(Jul 6, 1996)
-8
(Feb 4, 1996)
38.30" (Apr 1994)
15.08" (Apr 10, 1994)
17.76" (Oct 30, 1998)
72
(Aug 5, 2003)

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
49
71
26
2.4

February

87
44
67
29
3.7

March

87
43
65
35
5.0

April

87
43
65
45
7.0

May

93
52
74
58
7.0

June

94
53
76
66
8.6

July

93
49
72
70
11.8

August

91
43
69
67
13.3

September
92
44
70
59
9.8

October

91
46
70
49
6.3

November

90
48
70
37
4.1

December

90
50
72
28
2.6

Annual

90
47
70
48
6.8

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

39
37
40
35

February

42
41
46
37

March

48
48
54
43

April

58
58
65
52

May

68
69
77
63

June

NA
78
85
71

July

NA
84
92
77

August

81
84
92
77

September
73
74
81
69

October

63
62
68
57

November

52
50
54
46

December

43
40
43
38

Annual

60
61
67
55

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