541
CDUS46 KBOI 200127
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
727 PM MDT MON MAY 19 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 19 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 68 406 PM 95 1954 78 -10 69
MINIMUM 37 555 AM 31 1960 49 -12 44
2003
AVERAGE 53 63 -10 57
PRECIPITATION (IN)
TODAY T 0.89 1953 0.04 -0.04 T
MONTH TO DATE 0.02 0.68 -0.66 0.62
SINCE OCT 1 10.94 7.60 3.34 7.95
SINCE JAN 1 5.77 4.69 1.08 5.84
DEGREE DAYS
HEATING
TODAY 12 4 8 8
MONTH TO DATE 114 109 5 124
SINCE MAR 1 1024 1064 -40 1080
SINCE JUL 1 4953 5131 -178 4754
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 10 21 -11 29
SINCE MAR 1 10 23 -13 29
SINCE JAN 1 10 23 -13 29
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.1
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 200 AM
LOWEST 31 100 PM
AVERAGE 54
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 2023
MINIMUM TEMPERATURE (F) 49 35 1971
1976
2003
SUNRISE AND SUNSET
MAY 19 2025...........SUNRISE 618 AM MDT SUNSET 912 PM MDT
MAY 20 2025...........SUNRISE 617 AM MDT SUNSET 913 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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