


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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603 CDUS45 KRIW 130729 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 129 AM MDT FRI JUN 13 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 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 70 3:05 PM 76 2006 59 11 71 MINIMUM 33 2:40 AM 24 2018 32 1 34 AVERAGE 52 46 6 53 PRECIPITATION (IN) YESTERDAY 0.00 1.37 2022 0.09 -0.09 0.00 MONTH TO DATE 0.10 1.18 -1.08 0.62 SINCE JUN 1 0.10 1.18 -1.08 0.62 SINCE JAN 1 9.33 11.21 -1.88 12.82 DEGREE DAYS HEATING YESTERDAY 13 19 -6 12 MONTH TO DATE 194 247 -53 181 SINCE JUN 1 194 247 -53 181 SINCE JUL 1 9026 11720 -2694 10583 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 (280) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280) 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 100 7:00 AM LOWEST 20 2:00 PM AVERAGE 60 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 60 76 2021 MINIMUM TEMPERATURE (F) 33 24 2008 SUNRISE AND SUNSET JUNE 13 2025..........SUNRISE 5:36 AM MDT SUNSET 9:08 PM MDT JUNE 14 2025..........SUNRISE 5:36 AM MDT SUNSET 9:08 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$