495
CDUS46 KBOI 280931
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT THU MAY 28 2026
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 27 2026
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)
YESTERDAY
MAXIMUM 82 237 PM 96 1958 79 3 83
MINIMUM 55 613 AM 33 1953 51 4 57
1954
AVERAGE 69 65 4 70
PRECIPITATION (IN)
YESTERDAY 0.02 0.45 1956 0.04 -0.02 0.00
MONTH TO DATE 0.02 1.01 -0.99 0.10
SINCE OCT 1 8.33 7.93 0.40 11.02
SINCE JAN 1 4.79 5.02 -0.23 5.85
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 78 136 -58 135
SINCE MAR 1 1049 1091 -42 1045
SINCE JUL 1 4686 5158 -472 4974
COOLING
YESTERDAY 4 3 1 5
MONTH TO DATE 46 43 3 24
SINCE MAR 1 46 45 1 24
SINCE JAN 1 46 45 1 24
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 800 AM
LOWEST 34 300 PM
AVERAGE 53
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 100 2003
MINIMUM TEMPERATURE (F) 51 30 1954
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 610 AM MDT SUNSET 921 PM MDT
MAY 29 2026...........SUNRISE 610 AM MDT SUNSET 922 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