Climatological Report (Daily)
Issued by NWS
Issued by NWS
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819
CDUS46 KBOI 170932
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
332 AM MDT SAT MAY 17 2025
...................................
...THE ONTARIO OR CLIMATE SUMMARY FOR MAY 16 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 67 602 PM 97 1973 77 -10 90
MINIMUM 50 545 AM 30 1974 48 2 49
AVERAGE 59 62 -3 70
PRECIPITATION (IN)
YESTERDAY T 0.80 1991 0.04 -0.04 0.00
MONTH TO DATE 0.02 0.56 -0.54 0.62
SINCE OCT 1 10.94 7.48 3.46 7.95
SINCE JAN 1 5.77 4.57 1.20 5.84
DEGREE DAYS
HEATING
YESTERDAY 6 4 2 0
MONTH TO DATE 79 97 -18 105
SINCE MAR 1 989 1052 -63 1061
SINCE JUL 1 4918 5119 -201 4735
COOLING
YESTERDAY 0 2 -2 5
MONTH TO DATE 10 15 -5 29
SINCE MAR 1 10 17 -7 29
SINCE JAN 1 10 17 -7 29
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 500 AM
LOWEST 34 600 PM
AVERAGE 54
..........................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 1973
MINIMUM TEMPERATURE (F) 48 29 1974
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 619 AM MDT SUNSET 910 PM MDT
MAY 18 2025...........SUNRISE 618 AM MDT SUNSET 911 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$