489
CDUS46 KBOI 110121
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
721 PM MDT THU SEP 10 2026
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 10 2026
VALID TODAY AS OF 0700 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 88 506 PM 98 1958 85 3 83
1963
MINIMUM 43 647 AM 32 1983 51 -8 59
AVERAGE 66 68 -2 71
PRECIPITATION (IN)
TODAY 0.00 0.26 1985 0.01 -0.01 0.00
MONTH TO DATE 0.39 0.06 0.33 0.03
SINCE OCT 1 10.09 9.25 0.84 12.57
SINCE JAN 1 6.55 6.34 0.21 7.40
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 43 10 33 0
SINCE SEP 1 43 10 33 0
SINCE JUL 1 45 16 29 0
COOLING
TODAY 1 4 -3 6
MONTH TO DATE 5 55 -50 94
SINCE SEP 1 5 55 -50 94
SINCE JAN 1 1027 1053 -26 1141
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.6
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 20 500 PM
AVERAGE 57
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1959
1973
MINIMUM TEMPERATURE (F) 51 34 2005
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 722 AM MDT SUNSET 807 PM MDT
SEPTEMBER 11 2026.....SUNRISE 723 AM MDT SUNSET 806 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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