HEAT  UNITS
                                       Accumulated since Jan 1 2008 
                                =====================================
         STATION        DATE      86/55        86/50        86/45
       ===========    ========   =======      =======      =======
       Aguila          May 11       819         1174         1625 
     * Bonita          May 10 *     524          789         1128 
     * Bowie           May 10 *     742         1080         1505 
     * Buckeye         May 10 *    1053         1479         1990 
       Coolidge        May 11       917         1294         1754 
       Desert Ridge    May 11       990         1437         1978 
       Flagstaff       May 11        94          205          371 
       Harquahala      May 11      1034         1442         1930 
       Kansas Sett. ^  May 11       574          849         1189 
     * Marana          May 10 *    1081         1513         2031 
       Maricopa        May 11      1097         1527         2034 
     * Mesa            May 10 *    1366         1880         2466 
       Mohave          May 11      1081         1495         1984 
       Mohave 2        May 11      1013         1420         1906 
       Paloma          May 11      1035         1436         1913 
       Parker          May 11      1182         1630         2148 
       Payson          May 11       278          470          737 
       Prescott        May 11       264          460          735 
       Phx Encanto     May 11      1126         1588         2128 
       Phx Greenway    May 11      1099         1567         2116 
       Queen Creek     May 11       990         1396         1886 
       Roll            May 11      1193         1619         2123 
       Safford         May 11       793         1128         1541 
       Tucson          May 11       943         1337         1814 
       Citrus Farm     May 11      1017         1426         1920 
       Yuma N.Gila     May 11      1250         1720         2277 
       Yuma Valley     May 11      1243         1720         2282 

               DATE = Last day station reported.
                      Sine Curve Heat Units current thru this date.
                  * = Station not up to date