351
CDUS46 KBOI 220123
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
723 PM MDT THU MAY 21 2026
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 21 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 78 502 PM 96 1967 78 0 70
MINIMUM 48 535 AM 30 1974 50 -2 44
AVERAGE 63 64 -1 57
PRECIPITATION (IN)
TODAY 0.00 1.03 1998 0.04 -0.04 0.00
MONTH TO DATE T 0.76 -0.76 0.02
SINCE OCT 1 8.31 7.68 0.63 10.94
SINCE JAN 1 4.77 4.77 -0.00 5.77
DEGREE DAYS
HEATING
TODAY 2 4 -2 8
MONTH TO DATE 75 117 -42 128
SINCE MAR 1 1046 1072 -26 1038
SINCE JUL 1 4683 5139 -456 4967
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 25 25 0 10
SINCE MAR 1 25 27 -2 10
SINCE JAN 1 25 27 -2 10
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.6
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 600 AM
LOWEST 12 400 PM
AVERAGE 35
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1956
1967
MINIMUM TEMPERATURE (F) 50 26 1960
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 616 AM MDT SUNSET 914 PM MDT
MAY 22 2026...........SUNRISE 615 AM MDT SUNSET 915 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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