CDUS45 KRIW 160821 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 221 AM MDT THU APR 16 2026 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 15 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 60 1:45 PM 73 1985 53 7 66 MINIMUM 32 5:19 AM 16 1999 29 3 29 AVERAGE 46 41 5 PRECIPITATION (IN) YESTERDAY 0.00 0.37 1977 0.03 -0.03 0.00 MONTH TO DATE 0.41 0.41 0.00 0.05 SINCE MAR 1 1.10 0.99 0.11 1.28 SINCE JAN 1 1.26 1.74 -0.48 1.54 DEGREE DAYS HEATING YESTERDAY 19 24 -5 17 MONTH TO DATE 303 380 -77 236 SINCE MAR 1 913 1341 -428 1110 SINCE JUL 1 5295 7131 -1836 6331 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 14.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 63 2:00 AM LOWEST 22 2:00 PM AVERAGE 43 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 53 71 1987 MINIMUM TEMPERATURE (F) 30 14 2020 SUNRISE AND SUNSET APRIL 16 2026.........SUNRISE 6:35 AM MDT SUNSET 7:58 PM MDT APRIL 17 2026.........SUNRISE 6:33 AM MDT SUNSET 7:59 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$