750
CDUS46 KBOI 180225
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
725 PM MST WED DEC 17 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR DECEMBER 17 2025
VALID TODAY AS OF 0700 PM LOCAL TIME.
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)
TODAY
MAXIMUM 58R 657 AM 51 1957 38 20 39
MINIMUM 38 205 AM -11 1964 24 14 34
AVERAGE 48 31 17 37
PRECIPITATION (IN)
TODAY 0.02 0.54 2015 0.05 -0.03 0.12
MONTH TO DATE 0.36 0.72 -0.36 1.24
SINCE OCT 1 1.55 2.24 -0.69 3.68
SINCE JAN 1 9.33 8.81 0.52 11.18
DEGREE DAYS
HEATING
TODAY 17 34 -17 28
MONTH TO DATE 456 550 -94 570
SINCE DEC 1 456 550 -94 570
SINCE JUL 1 1550 1768 -218 1622
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1163 1100 63 1322
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 15.0
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 35 400 PM
AVERAGE 64
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THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 54 1973
MINIMUM TEMPERATURE (F) 24 -11 2016
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 817 AM MST SUNSET 511 PM MST
DECEMBER 18 2025......SUNRISE 818 AM MST SUNSET 512 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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