884
CDUS45 KBOI 210950
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
350 AM MDT THU MAY 21 2026
...............................
..THE BOISE ID CLIMATE SUMMARY FOR MAY 20 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 420 PM 94 1958 74 1 66
MINIMUM 47 547 AM 29 1898 49 -2 46
AVERAGE 61 61 0 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 2020 0.05 -0.05 T
MONTH TO DATE T 0.95 -0.95 0.81
SINCE OCT 1 10.90 9.45 1.45 10.72
SINCE JAN 1 6.55 5.92 0.63 6.31
SNOWFALL (IN)
YESTERDAY 0.0 T 1952 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUL 1 1.8 17.6 -15.8 13.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 4 5 -1 9
MONTH TO DATE 76 152 -76 138
SINCE MAR 1 922 1190 -268 1071
SINCE JUL 1 4167 5210 -1043 4870
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 23 20 3 26
SINCE MAR 1 24 23 1 26
SINCE JAN 1 24 23 1 26
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 51 400 AM
LOWEST 17 600 PM
AVERAGE 34
......................................................
THE BOISE ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 1919
2023
MINIMUM TEMPERATURE (F) 49 27 1887
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 614 AM MDT SUNSET 909 PM MDT
MAY 22 2026...........SUNRISE 613 AM MDT SUNSET 910 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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