546  
CXUS55 KBOI 011734  
CLMBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
1124 AM MDT WED MAY 01 2024  
 
APRIL 2024 BROUGHT UNUSUAL WEATHER TO BOISE, FEATURING SIGNIFICANT  
PRECIPITATION AND SNOWFALL, ALONGSIDE REMARKABLY COLD TEMPERATURES.  
FROM JANUARY 1ST THROUGH APRIL 30TH, 2024, BOISE AMASSED A TOTAL  
PRECIPITATION OF 8.87 INCHES, MARKING THAT PERIOD AS THE 6TH WETTEST  
ON RECORD. ON APRIL 4TH, BOISE SET A NEW DAILY RAINFALL RECORD WITH  
1.09 INCHES, FOLLOWED BY ANOTHER RECORD-BREAKING DAY ON APRIL 5TH,  
WITH 1.05 INCHES OF RAINFALL. THIS OCCURRENCE IS NOTEWORTHY AS IT'S  
ONLY THE SECOND TIME IN BOISE'S HISTORY THAT THE CITY EXPERIENCED 1  
INCH OR MORE OF RAINFALL ON CONSECUTIVE DAYS. ADDITIONALLY, APRIL  
5TH SAW BOISE HIT A HIGH TEMPERATURE OF 39 DEGREES FAHRENHEIT, THE  
COLDEST APRIL HIGH SINCE 1936. ON THE SAME DAY, 2.1 INCHES OF  
SNOWFALL SHATTERED THE DAILY SNOWFALL RECORD, MARKING THE FIRST  
INSTANCE OF SUCH SIGNIFICANT APRIL SNOWFALL SINCE 1969.  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
HIGHEST 81 04/13  
LOWEST 31 04/08  
04/18  
04/30  
AVG. MAXIMUM 63.7 62.3 1.4  
AVG. MINIMUM 39.8 39.6 0.2  
MEAN 51.7 50.9 0.8  
DAYS MAX >= 90 0  
DAYS MAX <= 32 0  
DAYS MIN <= 32 3  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 4.73 1869  
TOTALS 2.37 1.23 1.14  
DAYS >= .01 7  
DAYS >= .10 3  
DAYS >= .50 2  
DAYS >= 1.00 2  
GREATEST  
24 HR. TOTAL 1.23 04/04 TO 04/05  
 
SNOWFALL (INCHES)  
TOTALS 2.1  
SINCE 7/1 36.9  
GREATEST  
SNOW DEPTH 2R 04/05  
04/06  
24 HR TOTAL MM  
 
DEGREE DAYS  
HEATING TOTAL 391 424 -33 466  
SINCE 7/1 4528 5057 -529  
COOLING TOTAL 2 3 -1 9  
SINCE 1/1 2 3 -1    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.5  
HIGHEST WIND SPEED/DIRECTION 37/310 DATE 04/29  
HIGHEST GUST SPEED/DIRECTION 47/310 DATE 04/29  
 
AVERAGE RH (PERCENT) 51  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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