CDUS45 KBOU 200734 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 134 AM MDT WED MAY 20 2026 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR MAY 19 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER ITEM OBSERVED NORMAL DEPARTURE LAST VALUE VALUE FROM YEAR NORMAL ................................................ TEMPERATURE (F) YESTERDAY MAXIMUM 46 72 -26 64 MINIMUM 36 44 -8 50 AVERAGE 41 58 -17 57 DEGREE DAYS HEATING YESTERDAY 24 MONTH TO DATE 172 COOLING YESTERDAY 0 MONTH TO DATE 28 ................................................ WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 MM MM MINIMUM TEMPERATURE (F) 44 MM MM SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 541 AM MDT SUNSET 814 PM MDT MAY 21 2026...........SUNRISE 540 AM MDT SUNSET 815 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$