


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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121 CDUS46 KBOI 311646 CLIONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 1046 AM MDT THU JUL 31 2025 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR JULY 31 2025... VALID AS OF 1000 AM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1948 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST VALUE (LST) VALUE VALUE YEAR ........................................................... TEMPERATURE (F) TODAY MAXIMUM 83 108 AM 107 1971 97 97 2020 2022 MINIMUM 69 525 AM 45 1963 63 58 AVERAGE 76 80 78 PRECIPITATION (IN) TODAY 0.01 0.41 2021 0.01 0.00 MONTH TO DATE 0.66 0.26 0.24 SINCE OCT 1 11.84 9.07 9.47 SINCE JAN 1 6.67 6.16 7.36 ........................................................... WIND (MPH) AVERAGE WIND SPEED 9.4 RELATIVE HUMIDITY (PERCENT) HIGHEST 51 700 AM .......................................................... THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 97 109 2022 MINIMUM TEMPERATURE (F) 63 44 1975 SUNRISE AND SUNSET JULY 31 2025..........SUNRISE 636 AM MDT SUNSET 913 PM MDT AUGUST 1 2025........SUNRISE 637 AM MDT SUNSET 911 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$