908
CDUS46 KBOI 190124
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
724 PM MDT MON MAY 18 2026
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 18 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 71 355 PM 96 1973 77 -6 64
2008
MINIMUM 38 340 AM 27 1989 49 -11 42
AVERAGE 55 63 -8 53
PRECIPITATION (IN)
TODAY 0.00 0.52 2005 0.04 -0.04 0.00
MONTH TO DATE T 0.64 -0.64 0.02
SINCE OCT 1 8.31 7.56 0.75 10.94
SINCE JAN 1 4.77 4.65 0.12 5.77
DEGREE DAYS
HEATING
TODAY 10 4 6 12
MONTH TO DATE 59 105 -46 102
SINCE MAR 1 1030 1060 -30 1012
SINCE JUL 1 4667 5127 -460 4941
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 25 19 6 10
SINCE MAR 1 25 21 4 10
SINCE JAN 1 25 21 4 10
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.2
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 600 AM
LOWEST 16 400 PM
AVERAGE 43
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1954
MINIMUM TEMPERATURE (F) 49 31 1960
2003
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 619 AM MDT SUNSET 911 PM MDT
MAY 19 2026...........SUNRISE 618 AM MDT SUNSET 912 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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