Sunshine, Average Wind Speed, Heating and Cooling Degree Days, and Average Relative Humidity--Selected Cities


[Airport data, except as noted. For period of record through 1993, except as noted. M=morning. A=afternoon]

--------------------------------------------------------------------------------------------------------------------------
                       AVERAGE     |                               |                   |    
                     PERCENTAGE OF |          AVERAGE WIND         |                   |    AVERAGE RELATIVE HUMIDITY  
                       POSSIBLE    |          SPEED (m.p.h.)       |                   |           (percent)
                      SUNSHINE(1)  |                               |                   |
                    -----------------------------------------------| Heating   Cooling |----------------------------------
                    Length         |  Length                       | degree    degree  |  Length   Annual  Jan.   July
                      of           |    of                         | days      days    |    of    
                    record  Annual |  record   Annual   Jan.  July |                   |  record   M   A   M   A   M   A
STATE  STATION      (yr.)          |  (yr.)                        |                   |  (yr.)
--------------------------------------------------------------------------------------------------------------------------
                                                                                                      
AZ     Phoenix....    56     81        48       6.2     5.3   7.1    1,350    4,162        33      51 23   67 33   12 44
CO     Denver.....    59     67        45       8.7     8.6   8.3    6,020      679        33      68 40   64 49   35 69
ID     Boise......    54     58        54       8.7     8.0   8.4    5,861      754        54      69 43   81 70   30 54
MT     Great Falls    56     51        52      12.7    15.2  10.0    7,741      388        32      67 45   66 60   40 67
NM     Albuquerque    54     76        54       9.0     8.0   9.0    4,425    1,244        33      60 29   71 41   18 60
NV     Reno ......    51     69        51       6.6     5.6   7.1    5,674      508        30      70 31   79 51   22 63
UT     Salt Lake City 65     62        64       8.8     7.5   9.5    5,765    1,047        34      68 43   79 70   26 52
WY     Cheyenne...    58     64        36      12.9    15.3  10.4    7,326      285        34      65 44   57 50   41 70
 


Notes: (-)Represents zero. (1)Percent of days that are either clear or partly cloudy. (2)City office data.

Source: Table No. 397 of the Statistical Abstract of the United States: 1995 U.S. Census Bureau.

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