


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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989 CDUS45 KRIW 140731 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT SAT JUN 14 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 13 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 73 2:49 PM 76 2021 60 13 74 MINIMUM 36 5:08 AM 24 2008 33 3 34 AVERAGE 55 46 9 54 PRECIPITATION (IN) YESTERDAY 0.00 0.59 2001 0.08 -0.08 0.00 MONTH TO DATE 0.10 1.26 -1.16 0.62 SINCE JUN 1 0.10 1.26 -1.16 0.62 SINCE JAN 1 9.33 11.29 -1.96 12.82 DEGREE DAYS HEATING YESTERDAY 10 19 -9 11 MONTH TO DATE 204 266 -62 192 SINCE JUN 1 204 266 -62 192 SINCE JUL 1 9036 11739 -2703 10594 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 16 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 2.9 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 4:00 AM LOWEST 17 1:00 PM AVERAGE 55 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 60 82 2021 MINIMUM TEMPERATURE (F) 33 27 2012 SUNRISE AND SUNSET JUNE 14 2025..........SUNRISE 5:36 AM MDT SUNSET 9:08 PM MDT JUNE 15 2025..........SUNRISE 5:36 AM MDT SUNSET 9:09 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$