WINSLOW, ARIZONA
NORMALS, MEANS, AND EXTREMES

LATITUDE: 35 Deg. 01 Min. N LONGITUDE: 110 Deg. 44 Min. W ELEVATION: FT. GRND 4895 BARO 4892 TIME ZONE: MOUNTAIN WBAN: 23194

(a)
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
TEMPERATURE (Deg. F)
Normals
-Daily Maximum
-Daily Minimum
-Monthly
Extremes
-Record Highest
-Year
-Record Lowest
-Year






64

64



44.7
19.1
31.9

75
1971
-18
1937


53.4
24.6
39.0

78
1957
-7
1939


60.9
30.1
45.5

85
1989
6
1948


70.0
36.5
53.3

92
1943
16
1975


79.6
44.9
62.3

101
1951
23
1964


90.5
53.9
72.2

106
1970
35
1979


93.6
62.8
78.2

109
1971
46
1935


90.4
61.0
75.7

103
1995
41
1968


83.6
52.8
68.2

99
1950
31
1978


72.1
40.2
56.2

93
1972
13
1970


58.4
29.3
43.9

80
1988
-1
1952


46.0
20.2
33.1

74
1958
-12
1967


70.3
39.6
55.0

109
JUL 1971
-18
JAN 1937
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1026
0

728
0

605
0

357
6

128
44

6
222

0
409

0
332

21
117

283
11

633
0

989
0

4776
1141
% OF POSSIBLE SUNSHINE














MEAN SKY COVER(tenths)
Sunrise - Sunset
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear
-Partly Cloudy
-Cloudy
Precipitation
.01 inches or more
Snow, Ice Pellets, Hail
1.0 inches or more
Thunderstorms
Heavy Fog Visibility
1/4 mile or less
Temperature Deg. F
-Maximum
90 Deg. F and above
32 Deg. F and below
-Minimum
32 Deg. F and below
0 Deg. F and below

30


37
37
37

64

52
31

31


3
35

35
35

5.3


12.2
7.1
11.7

4.2

1.0
0.1

1.1


0.0
4.6

28.5
1.9

4.9


11.5
6.9
9.8

4.5

0.6
0.4

0.5


0.0
0.5

23.2
0.*

4.7


12.8
8.8
9.5

4.8

0.8
0.5

0.3


0.0
0.0

18.5
0.0

3.9


14.8
8.6
6.5

3.2

0.1
1.0

0.1


0.*
0.0

8.3
0.0

3.5


17.2
8.5
5.3

3.0

0.0
2.0

0.0


2.6
0.0

1.3
0.0

2.9


19.8
6.6
3.5

2.1

0.0
3.1

0.0


16.3
0.0

0.0
0.0

5.0


10.7
12.2
8.1

7.1

0.0
11.4

0.0


23.9
0.0

0.0
0.0

4.5


12.1
12.6
6.3

9.0

0.0
10.3

0.0


18.7
0.0

0.0
0.0

3.1


18.0
7.9
4.0

5.2

0.0
5.2

0.1


5.2
0.0

0.1
0.0

3.1


18.6
6.7
5.7

3.7

0.1
1.3

0.4


0.1
0.0

5.0
0.0

3.9


15.9
6.4
7.6

3.1

0.3
0.2

0.5


0.0
0.2

20.4
0.1

4.7


13.7
6.8
10.5

4.5

1.0
0.1

1.5


0.0
3.7

28.4
1.1

4.1


177.4
99.3
88.6

54.3

3.9
35.7

4.4


66.7
8.9

133.6
3.0
AV. STATION PRES. (mb)
6
853.4
852.6
848.8
849.1
849.6
851.2
853.1
853.0
852.9
853.4
853.4
853.5
852.0
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

18
18
18
18

79
62
50
73

70
48
35
60

62
36
26
50

52
25
19
39

44
20
16
32

38
17
14
27

58
30
27
47

64
35
30
51

64
36
28
51

61
36
27
49

69
45
35
60

77
59
50
71

62
37
30
51
PRECIPITATION (in.)
Water Equivalent
-Normal
-Maximum Monthly
-Year
-Minimum Monthly
-Year
-Maximum in 24 hrs
-Year
Snow, Ice Pellets, Hail
-Maximum Monthly
-Year
-Maximum in 24 hrs
-Year



64

64

51


64

51



0.45
1.62
1935
T
1984
0.76
1980

11.3
1987
6.4
1987


0.52
2.05
1973
T
1972
0.70
1956

10.7
1973
8.0
1977


0.55
2.07
1973
T
1988
1.07
1984

11.0
1973
8.0
1991


0.26
1.59
1934
0.00
1989
0.76
1988

4.8
1977
2.9
1977


0.31
2.11
1992
T
1977
0.90
1969

0.6
1978
0.6
1978


0.31
3.22
1972
0.00
1971
2.12
1955

0.0

0.0



1.20
3.53
1992
0.04
1993
1.67
1992

0.0

0.0



1.39
4.80
1963
0.15
1968
2.08
1964

0.0

0.0



0.91
2.54
1975
0.00
1957
1.43
1994

T
1945
T
1945


0.91
5.61
1972
0.00
1952
2.22
1974

8.2
1961
6.6
1961


0.57
1.67
1952
0.00
1932
1.33
1987

7.4
1952
4.8
1966


0.66
3.73
1967
T
1981
1.51
1967

39.6
1967
17.0
1967


8.04
5.61
OCT 1972
0.00
APR 1989
2.22
OCT 1974

39.6
DEC 1967
17.0
DEC 1967
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

35



30







7.1

SE

23
56
1951





8.5

SE

22
63
1971





10.6

WSW

22
58
1975





11.3

SW

25
56
1957





10.9

SW

25
53
1950





10.6

SW

20
52
1953





9.0

WSW

16
59
1954





8.4

SW

24
43
1966





8.2

SW

11
40
1950





7.6

SE

22
49
1970





7.3

SE

22
46
1964





6.7

SE

22
52
1966





8.8

SE

22
63
FEB 1971




(a) - Length of Record in Years, although individual months may be missing.
0.* or * - The value is between 0.0 and 0.05.
Normals - Based on the 1961 - 1990 record period.
Extremes - Dates are the most recent occurrence.
Wind Dir.- Numerals show tens of degrees clockwise from true north. "00" indicates calm.
Resultant Directions are given to whole degrees.