606 CXUS55 KBOI 091828 CLABOI CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 1128 AM MST FRI JAN 09 2026 ................................... ...THE BOISE ID CLIMATE SUMMARY FOR THE YEAR OF 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1875 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 111 07/19/1960 07/12/1898 LOW -28 01/16/1888 HIGHEST 108 07/10 105 07/16 07/21 07/21 08/16 LOWEST 3 01/15 9 01/30 01/16 AVG. MAXIMUM 66.7 64.3 2.4 65.5 AVG. MINIMUM 44.0 42.0 2.0 43.5 MEAN 55.4 53.2 2.2 54.5 DAYS MAX >= 90 66 55.0 11.0 62 DAYS MAX <= 32 11 16.0 -5.0 9 DAYS MIN <= 32 89 108.2 -19.2 116 DAYS MIN <= 0 0 0.9 -0.9 0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.97 1896 MINIMUM 7.90 1895 TOTALS 15.84 11.51 4.33 12.51 DAILY AVG. 0.04 0.03 0.01 T DAYS >= .01 98 89.2 8.8 91 DAYS >= .10 48 37.8 10.2 29 DAYS >= .50 6 3.3 2.7 5 DAYS >= 1.00 2 0.0 2.0 0 GREATEST 24 HR. TOTAL 1.23 MM 0.92 STORM TOTAL 1.09 1.46 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 50.0 1930 24 HR TOTAL 17.0 12/15/2025 TO 12/16/1884 SNOW DEPTH 22 12/17/1884 TOTALS 33.0 17.6 15.4 22.5 LIQUID EQUIV 3.30 1.70 1.60 2.30 SINCE 7/1 T 7.7 -7.7 MM LIQUID 7/1 -0.10 0.70 -0.80 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 43 18.0 25.0 43 DAYS >= 1.0 10 6.0 4.0 7 GREATEST SNOW DEPTH 10 01/14 2 01/24 01/25 12/02 24 HR TOTAL 0.8 MM 9.1 STORM TOTAL 6.8 3.1 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4844 5320 -476 5014 SINCE 7/1 1940 2231 -291 MM COOLING TOTAL 1432 1045 387 1342 SINCE 1/1 1432 1044 388 MM FREEZE DATES ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.3 RESULTANT WIND SPEED/DIRECTION 0/200 HIGHEST WIND SPEED/DIRECTION 39/200 DATE 09/02 HIGHEST GUST SPEED/DIRECTION 63/210 DATE 09/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.30 NUMBER OF DAYS FAIR 207 NUMBER OF DAYS PC 67 NUMBER OF DAYS CLOUDY 61 AVERAGE RH (PERCENT) 52 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 16 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 16 LIGHT RAIN 91 FREEZING RAIN 0 LT FREEZING RAIN 5 HAIL 1 HEAVY SNOW 1 SNOW 5 LIGHT SNOW 34 SLEET 0 FOG 78 FOG W/VIS <= 1/4 MILE 23 HAZE 64 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$