


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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507 CDUS45 KBOU 130731 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 131 AM MDT SUN JUL 13 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR JULY 12 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 81 88 -7 100 MINIMUM 59 57 2 63 AVERAGE 70 73 -3 82 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 0 COOLING YESTERDAY 5 MONTH TO DATE 132 ................................................ WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350) HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 MM MM MINIMUM TEMPERATURE (F) 57 MM MM SUNRISE AND SUNSET JULY 13 2025..........SUNRISE 543 AM MDT SUNSET 830 PM MDT JULY 14 2025..........SUNRISE 544 AM MDT SUNSET 829 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$