661
CDUS46 KBOI 210934
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
334 AM MDT SUN SEP 21 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 20 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 89 523 PM 94 1967 81 8 84
MINIMUM 47 556 AM 27 1978 48 -1 47
AVERAGE 68 64 4 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 2008 0.01 -0.01 0.00
MONTH TO DATE 0.03 0.15 -0.12 0.12
SINCE OCT 1 12.57 9.34 3.23 9.61
SINCE JAN 1 7.40 6.43 0.97 7.50
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 4 31 -27 16
SINCE SEP 1 4 31 -27 16
SINCE JUL 1 4 37 -33 16
COOLING
YESTERDAY 3 2 1 1
MONTH TO DATE 107 85 22 108
SINCE SEP 1 107 85 22 108
SINCE JAN 1 1154 1083 71 1292
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WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 0.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 600 AM
LOWEST 19 500 PM
AVERAGE 51
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THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1966
MINIMUM TEMPERATURE (F) 48 25 1983
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 735 AM MDT SUNSET 747 PM MDT
SEPTEMBER 22 2025.....SUNRISE 736 AM MDT SUNSET 745 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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