553 CDUS45 KRIW 170741 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT SUN MAY 17 2015 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR MAY 16 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1995 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 65 233 PM 85 2012 67 -2 63 MINIMUM 37 437 AM 31 2009 41 -4 44 AVERAGE 51 54 -3 54 PRECIPITATION (IN) YESTERDAY 0.00 0.09 2001 0.06 -0.06 0.00 MONTH TO DATE 0.96 0.92 0.04 0.54 SINCE MAR 1 2.19 2.77 -0.58 1.26 SINCE JAN 1 3.26 3.28 -0.02 2.16 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.4 2.7 SINCE MAR 1 10.4 6.6 SINCE JUL 1 39.0 55.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 14 11 3 11 MONTH TO DATE 230 217 13 277 SINCE MAR 1 1595 1759 -164 1812 SINCE JUL 1 6988 7613 -625 7693 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 21 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 8.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 21 400 PM AVERAGE 61 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 83 2006 MINIMUM TEMPERATURE (F) 41 30 1999 SUNRISE AND SUNSET MAY 17 2015...........SUNRISE 549 AM MDT SUNSET 832 PM MDT MAY 18 2015...........SUNRISE 548 AM MDT SUNSET 833 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$