Climatological Report (Monthly)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
785 CXCA52 TJSJ 011231 CLMSJU CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 831 AM AST TUE OCT 01 2024 ................................... ...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1898 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 97 09/01/1981 LOW 69 09/15/1960 09/06/1960 09/16/1929 HIGHEST 96 09/15 91 5 96 LOWEST 77 09/11 79 M2 77 09/20 AVG. MAXIMUM 91.6 89.2 2.4 91.5 AVG. MINIMUM 80.5 77.5 3.0 80.1 MEAN 86.1 83.4 2.7 85.8 DAYS MAX >= 90 29 12.5 16.5 25 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 15.79 2017 MINIMUM 1.49 1940 TOTALS 3.45 6.50 M3.05 3.05 DAILY AVG. MM 0.22 MM 0.10 DAYS >= .01 23 18.3 4.7 17 DAYS >= .10 11 10.8 0.2 8 DAYS >= .50 1 3.7 M2.7 2 DAYS >= 1.00 0 1.3 M1.3 0 GREATEST 24 HR. TOTAL 0.54 09/20 TO 09/20 STORM TOTAL 0.54 DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 COOLING TOTAL 639 550 89 634 SINCE 1/1 5090 FREEZE DATES .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.0 HIGHEST WIND SPEED/DIRECTION 28/100 DATE 09/03 HIGHEST GUST SPEED/DIRECTION 35/100 DATE 09/03 SKY COVER AVERAGE SKY COVER 0.42 AVERAGE RH (PERCENT) 78 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 15 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 6 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 0 HAZE 5 M INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$