Climatological Report (Daily)
Issued by NWS

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 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDCA42 TJSJ 180431
CLIISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1231 AM AST MON DEC 18 2017


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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         85   1145 AM  88    2013  85      0       87
  MINIMUM         74    738 PM  67    1991  73      1       75
  AVERAGE         80                        79      1       81

PRECIPITATION (IN)
  YESTERDAY        0.12          0.47 1995   0.10   0.02     0.08
  MONTH TO DATE    3.23                      1.78   1.45     2.60
  SINCE DEC 1      3.23                      1.78   1.45     2.60
  SINCE JAN 1     40.92                     37.48   3.44    33.53

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE DEC 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       15                        14      1       16
  MONTH TO DATE  256                       243     13      262
  SINCE DEC 1    256                       243     13      262
  SINCE JAN 1   4501                      5640  -1139     5816
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED    13.0


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94
 LOWEST     65
 AVERAGE    80

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        88      1998
 MINIMUM TEMPERATURE (F)   73        64      1996


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   644 AM AST   SUNSET   548 PM AST
DECEMBER 19 2017......SUNRISE   644 AM AST   SUNSET   549 PM AST


-  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.