197
CDUS46 KBOI 181037
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
337 AM MST THU DEC 18 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR DECEMBER 17 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 58R 657 AM 51 1957 38 20 39
MINIMUM 33 957 PM -11 1964 24 9 34
AVERAGE 46 31 15 37
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 19 34 -15 28
MONTH TO DATE 458 550 -92 570
SINCE DEC 1 458 550 -92 570
SINCE JUL 1 1552 1768 -216 1622
COOLING
YESTERDAY 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 13.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 35 400 PM
AVERAGE 64
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 54 1973
MINIMUM TEMPERATURE (F) 24 -11 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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