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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
796
CXCA52 TJSJ 010452
CLMSJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1251 AM AST WED NOV 1 2017

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   10/09/1981
 LOW               67   10/20/1959
HIGHEST            92   10/05        93      -1       94  10/21
                                                          10/10
LOWEST             75   10/21        72       3       75  10/19
AVG. MAXIMUM     88.5              88.4     0.1     89.5
AVG. MINIMUM     77.6              76.9     0.7     78.1
MEAN             83.0              82.6     0.4     83.8
DAYS MAX >= 90      9               6.9     2.1       11
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        15.06   1970
 MINIMUM         1.17   1979
TOTALS           6.61              5.59    1.02     6.39
DAILY AVG.       0.21              0.19    0.02     0.21
DAYS >= .01        20              17.7     2.3       20
DAYS >= .10         9              11.0    -2.0       12
DAYS >= .50         3               3.1    -0.1        3
DAYS >= 1.00        3               1.3     1.7        1
GREATEST
 24 HR. TOTAL    1.93   10/16 TO 10/16

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
COOLING TOTAL     568               547      21      591
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    25/100    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    33/120    DATE  10/16

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.