Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KBOI 220121
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
721 PM MDT THU AUG 21 2025
...................................
...THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0700 PM LOCAL TIME.
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)
TODAY
MAXIMUM 93 539 PM 104 1961 92 1 89
1969
MINIMUM 62 626 AM 41 1974 57 5 65
AVERAGE 78 75 3 77
PRECIPITATION (IN)
TODAY 0.00 1.51 2023 0.00 0.00 0.00
MONTH TO DATE T 0.09 -0.09 0.02
SINCE OCT 1 11.84 9.16 2.68 9.49
SINCE JAN 1 6.67 6.25 0.42 7.38
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 27 34 -7 20
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 13 10 3 12
MONTH TO DATE 255 267 -12 322
SINCE JUN 1 902 857 45 1117
SINCE JAN 1 959 916 43 1153
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.5
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 700 AM
LOWEST 15 600 PM
AVERAGE 31
..........................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 105 1961
MINIMUM TEMPERATURE (F) 57 41 1966
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 659 AM MDT SUNSET 842 PM MDT
AUGUST 22 2025........SUNRISE 700 AM MDT SUNSET 840 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$