Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KBOI 220931
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT MON SEP 22 2025
...................................
...THE ONTARIO OR CLIMATE SUMMARY FOR SEPTEMBER 21 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 79 535 PM 97 1966 81 -2 82
MINIMUM 56 518 AM 25 1983 48 8 52
AVERAGE 68 64 4 67
PRECIPITATION (IN)
YESTERDAY T 0.10 1945 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.17 -0.14 0.12
SINCE OCT 1 12.57 9.36 3.21 9.61
SINCE JAN 1 7.40 6.45 0.95 7.50
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 4 34 -30 16
SINCE SEP 1 4 34 -30 16
SINCE JUL 1 4 40 -36 16
COOLING
YESTERDAY 3 2 1 2
MONTH TO DATE 110 87 23 110
SINCE SEP 1 110 87 23 110
SINCE JAN 1 1157 1085 72 1294
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 700 AM
LOWEST 33 600 PM
AVERAGE 54
..........................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 100 1966
MINIMUM TEMPERATURE (F) 47 28 1971
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 736 AM MDT SUNSET 745 PM MDT
SEPTEMBER 23 2025.....SUNRISE 737 AM MDT SUNSET 743 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$