


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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728 CDUS45 KRIW 130726 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 126 AM MDT SUN JUL 13 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 12 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 76 4:41 PM 85 2002 72 4 81 MINIMUM 35 5:06 AM 27 2008 39 -4 42 AVERAGE 56 55 1 62 PRECIPITATION (IN) YESTERDAY 0.00 1.32 2007 0.05 -0.05 0.00 MONTH TO DATE 0.13 0.58 -0.45 0.12 SINCE JUN 1 0.78 2.96 -2.18 1.36 SINCE JAN 1 10.01 12.99 -2.98 13.56 DEGREE DAYS HEATING YESTERDAY 9 10 -1 3 MONTH TO DATE 104 135 -31 135 SINCE JUN 1 546 673 -127 564 SINCE JUL 1 104 135 -31 135 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 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 3.6 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 79 6:00 AM LOWEST 16 12:00 PM AVERAGE 48 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 85 2005 MINIMUM TEMPERATURE (F) 39 30 2016 SUNRISE AND SUNSET JULY 13 2025..........SUNRISE 5:50 AM MDT SUNSET 9:05 PM MDT JULY 14 2025..........SUNRISE 5:50 AM MDT SUNSET 9:04 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$