CDUS45 KRIW 240731 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT MON AUG 24 2026 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 23 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 73 5:03 PM 80 2025 69 4 80 MINIMUM 42 5:33 AM 27 2015 36 6 37 AVERAGE 58 52 6 59 PRECIPITATION (IN) YESTERDAY 0.00 0.41 2004 0.05 -0.05 0.00 MONTH TO DATE 2.11 0.98 1.13 0.09 SINCE JUN 1 5.07 4.87 0.20 1.48 SINCE JAN 1 13.31 14.90 -1.59 10.71 DEGREE DAYS HEATING YESTERDAY 7 13 -6 6 MONTH TO DATE 172 235 -63 192 SINCE JUN 1 802 1069 -267 865 SINCE JUL 1 288 531 -243 423 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 2 0 2 1 SINCE JAN 1 2 0 2 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 2.3 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 100 3:00 AM LOWEST 33 5:00 PM AVERAGE 67 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 80 2020 MINIMUM TEMPERATURE (F) 35 28 2010 SUNRISE AND SUNSET AUGUST 24 2026........SUNRISE 6:35 AM MDT SUNSET 8:12 PM MDT AUGUST 25 2026........SUNRISE 6:36 AM MDT SUNSET 8:10 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$