


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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823 CDUS46 KBOI 210930 CLIONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 330 AM MDT THU AUG 21 2025 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 20 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1948 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 94 446 PM 107 1967 93 1 94 MINIMUM 66 620 AM 41 1964 58 8 66 AVERAGE 80 75 5 80 PRECIPITATION (IN) YESTERDAY 0.00 0.39 1954 0.01 -0.01 0.00 MONTH TO DATE T 0.09 -0.09 0.02 SINCE OCT 1 11.84 9.16 2.68 9.49 SINCE JAN 1 6.67 6.25 0.42 7.38 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 27 34 -7 20 SINCE JUL 1 0 2 -2 0 COOLING YESTERDAY 15 10 5 15 MONTH TO DATE 242 257 -15 310 SINCE JUN 1 889 847 42 1105 SINCE JAN 1 946 906 40 1141 ................................................................... WIND (MPH) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 11.7 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 40 600 AM LOWEST 16 500 PM AVERAGE 28 .......................................................... THE ONTARIO OR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 92 104 1961 1969 MINIMUM TEMPERATURE (F) 57 41 1974 SUNRISE AND SUNSET AUGUST 21 2025........SUNRISE 659 AM MDT SUNSET 842 PM MDT AUGUST 22 2025........SUNRISE 700 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. $$