CDUS45 KRIW 020838 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 138 AM MST WED DEC 02 2020 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 1 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1998 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 23 2:37 PM 41 2003 26 -3 21 MINIMUM 4 10:12 PM -11 2009 6 -2 5 AVERAGE 14 16 -2 13 PRECIPITATION (IN) YESTERDAY 0.01 0.31 2005 0.05 -0.04 0.00 MONTH TO DATE 0.01 0.05 -0.04 0.00 SINCE DEC 1 0.01 0.05 -0.04 0.00 SINCE JAN 1 21.93 18.85 3.08 20.83 DEGREE DAYS HEATING YESTERDAY 51 49 2 52 MONTH TO DATE 51 49 2 52 SINCE DEC 1 51 49 2 52 SINCE JUL 1 3396 3369 27 3765 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 2.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 8:00 AM LOWEST 68 12:00 PM AVERAGE 80 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 26 34 2008 2012 MINIMUM TEMPERATURE (F) 6 -17 2009 SUNRISE AND SUNSET DECEMBER 2 2020......SUNRISE 7:40 AM MST SUNSET 4:43 PM MST DECEMBER 3 2020......SUNRISE 7:41 AM MST SUNSET 4:42 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$