805
CDUS46 KBOI 180937
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
337 AM MDT SUN MAY 18 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 17 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 61 520 PM 98 1973 77 -16 76
MINIMUM 46 609 AM 29 1974 48 -2 46
AVERAGE 54 63 -9 61
PRECIPITATION (IN)
YESTERDAY T 0.59 2018 0.04 -0.04 0.00
MONTH TO DATE 0.02 0.60 -0.58 0.62
SINCE OCT 1 10.94 7.52 3.42 7.95
SINCE JAN 1 5.77 4.61 1.16 5.84
DEGREE DAYS
HEATING
YESTERDAY 11 4 7 4
MONTH TO DATE 90 101 -11 109
SINCE MAR 1 1000 1056 -56 1065
SINCE JUL 1 4929 5123 -194 4739
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 10 17 -7 29
SINCE MAR 1 10 19 -9 29
SINCE JAN 1 10 19 -9 29
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 900 AM
LOWEST 55 400 PM
AVERAGE 71
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 1973
2008
MINIMUM TEMPERATURE (F) 49 27 1989
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 618 AM MDT SUNSET 911 PM MDT
MAY 19 2025...........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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page