


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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839 CDUS45 KBOU 170733 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 133 AM MDT SUN AUG 17 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 16 2025... 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 86 86 0 91 MINIMUM 64 56 8 57 AVERAGE 75 71 4 74 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 10 MONTH TO DATE 184 ................................................ WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (0) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 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) 86 MM MM MINIMUM TEMPERATURE (F) 56 MM MM SUNRISE AND SUNSET AUGUST 17 2025........SUNRISE 615 AM MDT SUNSET 754 PM MDT AUGUST 18 2025........SUNRISE 616 AM MDT SUNSET 753 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$