Climatological Report (Monthly)
Issued by NWS
Issued by NWS
475
CXCA52 TJSJ 032205
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
605 PM AST FRI JAN 03 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 92 12/27/1995
LOW 61 12/29/1982
12/24/1964
HIGHEST 89 12/05 88 1 90
12/06
12/09
LOWEST 69 12/29 77 M8 69
12/30
AVG. MAXIMUM 87.1 85.1 2.0 87.6
AVG. MINIMUM 75.0 72.5 2.5 74.6
MEAN 81.0 78.8 2.2 81.1
DAYS MAX >= 90 0 0.1 M0.1 6
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 14.03 1960
MINIMUM 0.37 2010
TOTALS MM 3.25 MM 0.81
DAILY AVG. MM 0.10 MM 0.03
DAYS >= .01 MM 17.2 MM MM
DAYS >= .10 MM 6.7 MM MM
DAYS >= .50 MM 1.5 MM MM
DAYS >= 1.00 MM 0.7 MM MM
GREATEST
24 HR. TOTAL MM
STORM TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 504 428 76 478
SINCE 1/1 6014
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 25/090 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 32/100 DATE 12/18
32/070 12/19
SKY COVER
AVERAGE SKY COVER 0.30
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 2
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 0
HAZE 8
M INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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