


Climatological Report (Daily)
Issued by NWS Boise, ID
Issued by NWS Boise, ID
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822 CDUS45 KBOI 210930 CLIBOI CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 330 AM MDT THU AUG 21 2025 ................................... ...THE BOISE ID CLIMATE SUMMARY FOR AUGUST 20 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1875 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 93 502 PM 103 1967 90 3 90 MINIMUM 63 647 AM 39 1918 60 3 60 AVERAGE 78 75 3 75 PRECIPITATION (IN) YESTERDAY 0.00 0.40 1959 0.01 -0.01 0.00 MONTH TO DATE 0.02 0.11 -0.09 0.02 SINCE OCT 1 11.21 11.02 0.19 14.93 SINCE JAN 1 6.80 7.49 -0.69 10.99 SNOWFALL (IN) YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 32 66 -34 24 SINCE JUL 1 0 5 -5 0 COOLING YESTERDAY 13 10 3 10 MONTH TO DATE 233 247 -14 340 SINCE JUN 1 848 776 72 1139 SINCE JAN 1 928 821 107 1163 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.8 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 56 600 AM LOWEST 13 500 PM AVERAGE 35 .......................................................... THE BOISE ID CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 101 1897 2005 MINIMUM TEMPERATURE (F) 60 43 1918 SUNRISE AND SUNSET AUGUST 21 2025........SUNRISE 657 AM MDT SUNSET 838 PM MDT AUGUST 22 2025........SUNRISE 658 AM MDT SUNSET 837 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$