


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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882 CDUS45 KBOI 200931 CLIMYL CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 331 AM MDT WED AUG 20 2025 ................................... ...THE MCCALL ID CLIMATE SUMMARY FOR AUGUST 19 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1930 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 90 403 PM 94 1967 80 10 83 MINIMUM 49 617 AM 27 1916 45 4 45 AVERAGE 70 62 8 64 PRECIPITATION (IN) YESTERDAY 0.00 1.14 1924 0.02 -0.02 0.00 MONTH TO DATE 0.24 0.28 -0.04 0.08 SINCE OCT 1 26.38 21.84 4.54 21.68 SINCE JAN 1 15.46 15.11 0.35 15.87 DEGREE DAYS HEATING YESTERDAY 0 4 -4 1 MONTH TO DATE 44 48 -4 23 SINCE JUN 1 297 430 -133 334 SINCE JUL 1 88 131 -43 84 COOLING YESTERDAY 5 1 4 0 MONTH TO DATE 25 33 -8 50 SINCE JUN 1 108 96 12 153 SINCE JAN 1 108 96 12 153 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 3.0 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 80 600 AM LOWEST 15 400 PM AVERAGE 48 .......................................................... THE MCCALL ID CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 94 1940 1967 MINIMUM TEMPERATURE (F) 45 27 1907 SUNRISE AND SUNSET AUGUST 20 2025........SUNRISE 653 AM MDT SUNSET 842 PM MDT AUGUST 21 2025........SUNRISE 654 AM MDT SUNSET 840 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$