NORMALS, MEANS AND EXTREMES 1872-2002
Station: Mountain States Weather Services Observatory Standard time used: Mountain Latitude: 40¡ 35' Longitude: 105¡ 01' Elevation (ground): 4920 feet
Fort Collins, Larimer County, Colorado
                           
 
Temperature (¡F)
 
 
Degree
Precipitation (in.)
 
 
 
 
 
Relative Humidity (%)
Wind
 
 
 
 
 
Mean Number of Days
 
 
Normal
 
Extremes
 
 
days
Water equivalent
 
 
 
Snow, Ice pellets
 
Local Time
 
 
 
Fastest mile
Peak Gust
 
 
Sunrise to Sunset
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Max.
Min.
Month
Daily Maximum
Daily Minimum
Monthly
Record Highest
Year
Record Lowest
Year
Heating (Base 65¡F)
Cooling (Base 65¡F)
Normal
Maximum Monthly
Year
Minimum Monthly
Year
Maximum in 24 hrs.
Year
Mean Total
Maximum monthly
Year
Maximum in 24 hrs.
Year
0500 Hour
1100 Hour
1700 Hour
2300 Hour
Mean Speed (m.p.h.)
Prevailing Direction (10s of deg.)
Speed (mph)
Direction (10s of deg.)
Year
Speed (mph)
Direction (10s of deg.)
Year
Mean sky cover, tenths, midnight-midnight
Mean sky cover, tenths, sunrise to sunset
Clear
Partly Cloudy
Cloudy
Precipitation trace or more
Precipitation .01 inch or more
Precipitation .10 inch or more
Precipitation .50 inch or more
Precipitation 1.00 inch or more
Snow, Ice pellets trace or more
Snow, Ice pellets .1 inch or more
Snow, Ice pellets 1.0 inch or more
Snow, Ice pellets 3.0 inch or more
Snow, Ice pellets 6.0 inch or more
Thunderstorms
Heavy fog, visibility 1/4 mile or less
Wind gust 39 m.p.h. or more
Wind gust 50 m.p.h. or more
Wind gust 74 m.p.h. or more
Temperature 90¡F and above
Temperature 32¡F and below
Temperature 32¡F and below
Temperature 0¡F and below
(a)
(b)
(b)
(b)
123
 
123
 
(b)
(b)
(b)
123
 
123
 
114
 
(b)
114
 
114
 
26
26
26
26
26
26
26
26
 
39
39
 
26
26
26
26
26
113
113
113
113
113
113
113
113
113
113
26
26
27
27
27
115
115
115
115
JAN
40.6
13.3
27.0
73
1996
-39
1930
1175
0
0.44
2.32
1891
0.00
1919
1.25
1891
8.2
21.7
1891
14.5
1971
78
51
51
72
5.0
36
60
31
1982
90
27
1972
5.8
6.0
10
8
14
7
4
1
*
*
6
4
2
1
*
0
1
3
1
*
0
8
30
5
FEB
45.7
18.5
32.1
77
1986
-41
1951
927.4
0
0.38
1.65
1912
T
1991
1.02
1918
6.6
25.6
1911
14.0
1918
78
47
44
70
5.6
34
60
29
1977
72
28
1972
5.9
6.4
6
9
13
8
5
2
*
*
7
5
2
1
*
*
2
3
1
0
0
5
27
3
MAR
53.0
25.4
39.2
81
1921
-31
1943
793.9
0
1.32
4.84
1990
0.01
1966
3.28
1990
11.7
35.4
1988
15.5
1956
77
42
38
67
6.5
36
58
31
1983+
87
26
1974
6.3
6.6
6
11
14
10
7
3
1
*
8
5
3
1
*
*
2
3
1
*
0
3
27
1
APR
60.5
32.9
46.8
91
1888
-10
1945
543.9
0
2.03
10.56
1900
0.05
1908
2.57
1999
6.7
35.8
1920
19.7
1957
77
39
37
64
6.9
34
63
33
1985
96
32
1982
6.4
6.7
6
10
15
11
8
4
1
*
5
3
2
1
*
3
1
4
1
*
0
1
15
*
MAY
69.9
42.4
56.2
93
1989
12
1917
274
5.2
2.64
7.47
1901
0.01
1974
3.21
1961
2.5
27.8
1978
22.7
1978
81
42
40
69
6.1
36
51
27
1982
70
02
1970
6.4
6.7
5
12
14
15
11
6
2
1
1
*
*
*
*
9
1
2
1
0
*
*
3
0
JUN
80.5
51.0
65.8
102
1954+
29
1947
65
90
1.89
6.31
1949
0.03
1917
3.54
1949
0.0
0.5
1947
0.5
1947
80
40
37
67
5.4
36
40
31
1981+
72
25
1975
5.2
5.4
9
12
9
13
8
4
1
*
*
*
0
0
0
12
*
2
*
0
4
0
*
0
JUL
85.8
55.5
71.1
104
1874
36
1903
8
195
1.72
5.86
1977
T
1939
4.45
1977
0.0
0.0
-
0.0
-
81
39
38
68
4.9
34
50
23
1979
68
22
1974
5.0
5.3
9
14
8
14
8
4
1
*
0
0
0
0
0
13
*
1
*
0
8
0
0
0
AUG
83.8
54.4
69.2
100
1902+
32
1910
22
144
1.36
7.39
1951
0.03
1960
3.06
1951
0.0
0.0
-
0.0
-
84
40
42
73
4.8
34
48
27
1983
59
28
1978
5.4
5.7
8
13
11
14
9
3
1
*
0
0
0
0
0
13
1
1
*
0
6
0
*
0
SEP
75.5
45.2
60.3
100
1873
16
1985
166.9
33
1.41
7.34
1938
0.00
1874
4.34
1902
1.5
15.0
1971
13.0
1971
82
39
39
72
4.7
36
48
30
1977
63
33
1988
4.8
5.0
11
9
10
9
6
3
1
*
*
*
*
*
*
6
1
1
*
0
1
*
2
0
OCT
63.9
34.0
49.0
92
1873
-8
1905
494.7
0.3
0.99
6.70
1942
0.00
1934+
2.19
1942
4.2
19.1
1997
18.6
1997
81
40
42
72
4.9
36
45
29
1977
59
30
1996
5.0
5.2
12
8
11
7
5
3
1
*
2
1
1
*
*
1
1
2
*
0
0
*
14
*
NOV
49.2
22.6
36.0
80
1989
-21
1916
867.1
0
0.81
2.29
1973
0.00
1965+
1.07
1986
10.1
29.1
1979
21.7
1979
78
46
50
73
5.3
34
46
34
1981
73
29
1974
5.6
5.9
8
10
12
6
4
2
*
*
5
3
2
1
*
*
2
2
1
0
0
3
27
1
DEC
41.8
14.8
28.3
76
1939
-35
1919
1132
0
0.50
4.08
1913
0.00
1935+
1.75
1913
8.9
38.7
1913
18.8
1985
77
49
52
73
5.3
34
65
28
1977
87
23
1970
5.4
5.7
10
10
12
6
4
1
*
*
6
4
2
1
*
0
1
4
1
*
0
6
30
3
ANN
62.3
34.4
48.4
104
JUL 1874
-41
FEB 1951
6470
468
15.48
10.56
APR 1900
0.00
NOV 1965+
4.45
JUL 1977
60.4
38.7
DEC 1913
22.7
MAY 1978
80
43
42
70
5.5
36
65
28
DEC 1977
96
32
APR 1982
5.6
5.9
100
125
142
120
80
36
8
1
40
25
14
6
2
57
13
28
7
1
19
26
175
13
(a) Month (b) Normal 1971-2000 *Less than one half + Last of more than one occurrence
Fastest mile is highest one-minute average wind speed.
¡ ¡ ¡