Climatological Report (Monthly) Issued by NWS
000
CXCA52 TJSJ 011020
CLMIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
620 AM AST MON JAN 01 2024
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...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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
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TEMPERATURE (F)
RECORD
HIGH 92 12/25/1995
12/11/1995
12/04/1995
LOW 62 12/05/1972
HIGHEST 88 12/08 88 0 87
12/09
LOWEST 70 12/30 77 -7 71
AVG. MAXIMUM 84.7 85.2 -0.5 85.0
AVG. MINIMUM 75.2 74.9 0.3 74.7
MEAN 80.0 80.1 -0.1 79.9
DAYS MAX >= 90 0 1.8 -1.8 0
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 9.87 1960
MINIMUM 0.63 1963
TOTALS 3.96 2.93 1.03 0.82
DAILY AVG. 0.13 0.09 0.04 0.03
DAYS >= .01 16 17.4 -1.4 11
DAYS >= .10 6 7.6 -1.6 3
DAYS >= .50 2 1.2 0.8 0
DAYS >= 1.00 1 0.7 0.3 0
GREATEST
24 HR. TOTAL 1.88 12/10 TO 12/10
STORM TOTAL 1.88
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 472 467 5 466
SINCE 1/1 6389
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.4
HIGHEST WIND SPEED/DIRECTION 28/070 DATE 12/10
28/080 12/13
HIGHEST GUST SPEED/DIRECTION 42/070 DATE 12/13
SKY COVER
AVERAGE SKY COVER 0.26
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 1
HEAVY RAIN 1 RAIN 16
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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