CDUS45 KRIW 210727 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SUN JUN 21 2026 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JUNE 20 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 84 3:45 PM 91 2016 77 7 88 MINIMUM 55 11:59 PM 33 1975 48 7 62 AVERAGE 70 62 8 PRECIPITATION (IN) YESTERDAY T 0.43 1967 0.02 -0.02 0.00 MONTH TO DATE 0.05 0.52 -0.47 0.02 SINCE JUN 1 0.05 0.52 -0.47 0.02 SINCE JAN 1 1.89 4.03 -2.14 2.33 DEGREE DAYS HEATING YESTERDAY 0 4 -4 0 MONTH TO DATE 70 129 -59 44 SINCE JUN 1 70 129 -59 44 SINCE JUL 1 6116 8034 -1918 7046 COOLING YESTERDAY 5 1 4 10 MONTH TO DATE 19 15 4 65 SINCE JUN 1 19 15 4 65 SINCE JAN 1 21 17 4 69 ................................................................... WIND (MPH) HIGHEST WIND SPEED 48 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 66 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 15.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 40 11:00 PM LOWEST 12 3:00 PM AVERAGE 26 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 91 1988 2016 MINIMUM TEMPERATURE (F) 48 33 1960 SUNRISE AND SUNSET JUNE 21 2026..........SUNRISE 5:42 AM MDT SUNSET 8:54 PM MDT JUNE 22 2026..........SUNRISE 5:43 AM MDT SUNSET 8:54 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT.$$