CXUS55 KBOI 091829 CLAONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 1129 AM MST FRI JAN 09 2026 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR THE YEAR OF 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1948 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 113 MM LOW -20 01/07/2017 HIGHEST 104 07/01 109 08/02 07/14 LOWEST 02/12 -8 01/16 AVG. MAXIMUM 66.8 66.5 0.3 67.8 AVG. MINIMUM 41.5 40.9 0.6 42.5 MEAN 54.2 53.7 0.5 55.2 DAYS MAX >= 90 67 61.0 6.0 78 DAYS MAX <= 32 6 20.0 -14.0 17 DAYS MIN <= 32 110 128.5 -18.5 93 DAYS MIN <= 0 1 2.1 -1.1 2 PRECIPITATION (INCHES) RECORD MAXIMUM 16.87 1983 MINIMUM 4.86 1949 TOTALS 11.32 9.48 1.84 12.67 DAILY AVG. 0.03 0.03 0.01 0.03 DAYS >= .01 78 79.8 -1.8 95 DAYS >= .10 30 30.0 0.0 42 DAYS >= .50 4 2.2 1.8 3 DAYS >= 1.00 1 0.1 0.9 0 GREATEST 24 HR. TOTAL 1.17 1MM21 TO 12/22 0.79 STORM TOTAL 1.14 0.57 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4969 5200 -231 4822 SINCE 7/1 1939 2252 -313 MM COOLING TOTAL 1163 1100 63 1324 SINCE 1/1 1163 1100 63 MM FREEZE DATES ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.7 RESULTANT WIND SPEED/DIRECTION 3/300 HIGHEST WIND SPEED/DIRECTION 46/190 DATE 07/26 HIGHEST GUST SPEED/DIRECTION 67/190 DATE 07/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.24 NUMBER OF DAYS FAIR 254 NUMBER OF DAYS PC 72 NUMBER OF DAYS CLOUDY 37 AVERAGE RH (PERCENT) 58 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 18 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 12 LIGHT RAIN 89 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 2 SNOW 8 LIGHT SNOW 14 SLEET 0 FOG 88 FOG W/VIS <= 1/4 MILE 30 HAZE 104 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$