HEAT  UNITS
                                       Accumulated since Jan 1 2012 
                                =====================================
         STATION        DATE      86/55        86/50        86/45
       ===========    ========   =======      =======      =======
       Aguila          May 20      1078         1506         2013 
       Bonita          May 20       767         1102         1515 
       Bowie           May 20      1035         1448         1939 
       Buckeye         May 20      1395         1886         2441 
       Coolidge        May 20      1311         1769         2295 
       Desert Ridge    May 20      1437         1970         2581 
       Harquahala      May 20      1315         1780         2312 
       Kansas Sett.    May 20       819         1147         1542 
       Maricopa        May 20      1433         1919         2465 
       Mesa            May 20      1734         2305         2947 
       Mohave          May 20      1453         1945         2498 
       Mohave-2        May 20      1390         1868         2414 
       Paloma          May 20      1363         1835         2369 
     * Parker          May 19 *    1331         1808         2348 
     * Parker-2        May 19 *    1449         1939         2496 
       Payson          May 20       541          835         1219 
       Prescott        May 20       460          726         1082 
       Phx Encanto     May 20      1506         2028         2620 
       Phx Greenway    May 20      1490         2015         2614 
       Queen Creek     May 20      1313         1780         2321 
       Roll            May 20      1458         1938         2480 
       Safford         May 20      1030         1425         1893 
       San Simon ^     May 20       993         1376         1832 
       Tucson          May 20      1247         1701         2228 
       Yuma N.Gila     May 20      1470         1979         2556 
       Yuma South      May 20      1453         1953         2524 
       Yuma Valley     May 20      1520         2052         2657 

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