Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXCA52 TJSJ 021850 CLMIST CLIMATE REPORT NATIONAL WEATHER SERVICE SAN JUAN PR 250 PM AST MON OCT 02 2023 ................................... ...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1953 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 98 09/28/1993 09/05/1993 09/01/1993 LOW 64 09/17/1972 HIGHEST 93 09/09 92 1 92 09/10 09/28 LOWEST 79 09/11 80 -1 75 09/18 09/19 AVG. MAXIMUM 90.4 89.2 1.2 88.3 AVG. MINIMUM 81.7 79.5 2.2 79.3 MEAN 86.0 84.4 1.6 83.8 DAYS MAX >= 90 22 12.2 9.8 7 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 14.94 1953 MINIMUM 0.92 2012 TOTALS 2.31 5.89 -3.58 7.71 DAILY AVG. 0.08 0.20 -0.12 0.25 DAYS >= .01 15 15.2 -0.2 10 DAYS >= .10 6 8.5 -2.5 6 DAYS >= .50 2 2.5 -0.5 2 DAYS >= 1.00 0 1.0 -1.0 0 GREATEST 24 HR. TOTAL 1.07 09/18 TO 09/19 STORM TOTAL 0.56 DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 COOLING TOTAL 638 580 58 572 SINCE 1/1 4799 FREEZE DATES .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.7 HIGHEST WIND SPEED/DIRECTION MM DATE MM HIGHEST GUST SPEED/DIRECTION 31/MM DATE 09/11 SKY COVER AVERAGE SKY COVER 0.20 AVERAGE RH (PERCENT) 79 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP MM HEAVY RAIN 2 RAIN 9 LIGHT RAIN 10 FREEZING RAIN MM LT FREEZING RAIN MM HAIL MM HEAVY SNOW MM SNOW MM LIGHT SNOW MM SLEET MM FOG 11 FOG W/VIS <= 1/4 MILE MM HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$