CDUS45 KRIW 200730 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT WED MAY 20 2026 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 19 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 50 5:28 PM 86 1954 64 -14 56 MINIMUM 28 5:52 AM 25 2003 40 -12 33 AVERAGE 39 52 -13 PRECIPITATION (IN) YESTERDAY 0.00 0.70 1953 0.04 -0.04 0.00 MONTH TO DATE 0.14 0.80 -0.66 0.31 SINCE MAR 1 1.42 2.29 -0.87 2.02 SINCE JAN 1 1.58 3.04 -1.46 2.28 DEGREE DAYS HEATING YESTERDAY 26 13 13 20 MONTH TO DATE 281 311 -30 258 SINCE MAR 1 1543 1984 -441 1689 SINCE JUL 1 5925 7774 -1849 6910 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 2 0 2 1 SINCE MAR 1 2 0 2 1 SINCE JAN 1 2 0 2 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 6.3 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 92 5:00 AM LOWEST 25 5:00 PM AVERAGE 59 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 86 1954 MINIMUM TEMPERATURE (F) 40 26 2022 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 5:52 AM MDT SUNSET 8:34 PM MDT MAY 21 2026...........SUNRISE 5:51 AM MDT SUNSET 8:35 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$