Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KBOI 180123
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
723 PM MDT THU SEP 17 2026
...................................
...THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 17 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 85 315 PM 95 1956 82 3 84
MINIMUM 55 721 AM 32 1965 49 6 44
AVERAGE 70 66 4 64
PRECIPITATION (IN)
TODAY 0.00 0.60 1989 0.01 -0.01 0.00
MONTH TO DATE 0.39 0.12 0.27 0.03
SINCE OCT 1 10.09 9.31 0.78 12.57
SINCE JAN 1 6.55 6.40 0.15 7.40
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 62 24 38 4
SINCE SEP 1 62 24 38 4
SINCE JUL 1 64 30 34 4
COOLING
TODAY 5 3 2 0
MONTH TO DATE 16 79 -63 99
SINCE SEP 1 16 79 -63 99
SINCE JAN 1 1038 1077 -39 1146
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.6
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 600 AM
LOWEST 20 500 PM
AVERAGE 41
..........................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 1981
MINIMUM TEMPERATURE (F) 49 25 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 730 AM MDT SUNSET 754 PM MDT
SEPTEMBER 18 2026.....SUNRISE 731 AM MDT SUNSET 753 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$