503
CDUS46 KBOI 190224
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
724 PM MST THU DEC 18 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR DECEMBER 18 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 35 1203 AM 54 1973 38 -3 49
MINIMUM 30 323 AM -11 2016 24 6 33
AVERAGE 33 31 2 41
PRECIPITATION (IN)
TODAY 0.36 0.39 1960 0.05 0.31 0.00
MONTH TO DATE 0.72 0.77 -0.05 1.24
SINCE OCT 1 1.91 2.29 -0.38 3.68
SINCE JAN 1 9.69 8.86 0.83 11.18
DEGREE DAYS
HEATING
TODAY 32 34 -2 24
MONTH TO DATE 490 584 -94 594
SINCE DEC 1 490 584 -94 594
SINCE JUL 1 1584 1802 -218 1646
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 9 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 2.4
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 PM
LOWEST 67 1200 AM
AVERAGE 82
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 50 2011
MINIMUM TEMPERATURE (F) 24 -5 1985
2016
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 818 AM MST SUNSET 512 PM MST
DECEMBER 19 2025......SUNRISE 819 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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