CDUS45 KBOI 201631 CLIBOI CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 1031 AM MDT WED MAY 20 2026 ................................... ...THE BOISE ID CLIMATE SUMMARY FOR MAY 20 2026... VALID AS OF 1000 AM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1875 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST VALUE (LST) VALUE VALUE YEAR ........................................................... TEMPERATURE (F) TODAY MAXIMUM 61 857 AM 94 1958 74 66 MINIMUM 47 547 AM 29 1898 49 46 AVERAGE 54 61 56 PRECIPITATION (IN) TODAY 0.00 0.80 2020 0.05 T MONTH TO DATE T 0.95 0.81 SINCE OCT 1 10.90 9.45 10.72 SINCE JAN 1 6.55 5.92 6.31 ........................................................... RELATIVE HUMIDITY (PERCENT) HIGHEST 51 400 AM .......................................................... THE BOISE ID CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 91 1919 2023 MINIMUM TEMPERATURE (F) 49 27 1887 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 615 AM MDT SUNSET 908 PM MDT MAY 21 2026...........SUNRISE 614 AM MDT SUNSET 909 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$