468 CDUS45 KRIW 130818 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 218 AM MDT SUN AUG 13 2023 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 12 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 72 1:54 PM 84 2003 72 0 79 MINIMUM 40 6:07 AM 31 2004 38 2 46 AVERAGE 56 55 1 63 PRECIPITATION (IN) YESTERDAY 0.00 0.12 2022 0.04 -0.04 0.12 MONTH TO DATE 2.32 0.51 1.81 0.92 SINCE JUN 1 5.64 4.40 1.24 4.55 SINCE JAN 1 15.98 14.43 1.55 16.17 DEGREE DAYS HEATING YESTERDAY 9 10 -1 2 MONTH TO DATE 142 110 32 90 SINCE JUN 1 886 944 -58 812 SINCE JUL 1 354 406 -52 287 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 3.2 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 93 5:00 AM LOWEST 24 2:00 PM AVERAGE 59 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 83 2003 MINIMUM TEMPERATURE (F) 38 30 2002 2006 SUNRISE AND SUNSET AUGUST 13 2023........SUNRISE 6:22 AM MDT SUNSET 8:30 PM MDT AUGUST 14 2023........SUNRISE 6:23 AM MDT SUNSET 8:29 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$