839 CDUS45 KRIW 010728 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT SUN MAY 1 2011 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR APRIL 30 2011... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1939 TO 2011 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 44 MM 84 1992 61 -17 46 MINIMUM 25 MM 18 1967 33 -8 29 AVERAGE 35 47 -12 38 PRECIPITATION (IN) YESTERDAY 0.01 0.92 1973 0.07 -0.06 0.04 MONTH TO DATE 1.37 1.52 -0.15 1.11 SINCE MAR 1 1.83 2.42 -0.59 2.68 SINCE JAN 1 3.13 3.64 -0.51 3.30 SNOWFALL (IN) YESTERDAY 0.0 0.3 -0.3 0.0 MONTH TO DATE 5.4 13.8 -8.4 11.4 SINCE MAR 1 12.4 26.1 -13.7 23.5 SINCE JUL 1 62.5 80.9 -18.4 73.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 30 18 12 27 MONTH TO DATE 701 661 40 705 SINCE MAR 1 1559 1582 -23 1532 SINCE JUL 1 6921 7060 -139 7320 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 27 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 14.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 85 700 AM LOWEST 36 400 PM AVERAGE 61 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 81 1959 MINIMUM TEMPERATURE (F) 33 17 2005 SUNRISE AND SUNSET MAY 1 2011...........SUNRISE 600 AM MDT SUNSET 806 PM MDT MAY 2 2011...........SUNRISE 559 AM MDT SUNSET 808 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$