Climatological Report (Monthly)
Issued by NWS San Juan, PR

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CXCA52 TJSJ 021552
CLMSJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1151 AM AST FRI FEB 2 2018

...................................

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              92   01/23/1983
                        01/16/1983
                        01/11/1982
 LOW               61   01/31/1962
HIGHEST            88   01/04        87       1       90  01/24
                        01/03
LOWEST             70   01/31        66       4       68  01/19
AVG. MAXIMUM     84.2              83.2     1.0     84.3
AVG. MINIMUM     73.6              72.0     1.6     73.1
MEAN             78.9              77.6     1.3     78.7
DAYS MAX >= 90      0               0.2    -0.2        1
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        15.47   1937
 MINIMUM         0.61   1978
TOTALS           5.18              3.76    1.42     1.89
DAILY AVG.       0.17              0.12    0.05     0.06
DAYS >= .01        21              17.6     3.4       15
DAYS >= .10        12               9.2     2.8        8
DAYS >= .50         2               1.8     0.2        0
DAYS >= 1.00        1               0.5     0.5        0
GREATEST
 24 HR. TOTAL    1.59   01/16 TO 01/16

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     439               391      48      433
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    31/080    DATE  01/27
HIGHEST GUST SPEED/DIRECTION    40/080    DATE  01/27

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       6
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$




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