Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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
163
CDGM40 PGUM 131602
CLIGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
202 AM CHST MON JUL 14 2025

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 13 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         88  12:44 PM  91    1989  88      0       89
                                      1990
                                      2013
  MINIMUM         77   4:51 AM  71    1950  77      0       79
  AVERAGE         83                        83      0       84

PRECIPITATION (IN)
  YESTERDAY        0.15          2.82 2011   0.36  -0.21     0.02
  MONTH TO DATE    5.62                      4.28   1.34     2.70
  SINCE JUN 1     19.12                     10.79   8.33    10.70
  SINCE JAN 1     34.85                     31.00   3.85    27.57

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

 COOLING
  YESTERDAY       18                        18      0       19
  MONTH TO DATE  223                       234    -11      229
  SINCE JUN 1    732                       786    -54      760
  SINCE JAN 1   3296                      3298     -2     3241
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           5:00 AM
 LOWEST     72           3:00 PM
 AVERAGE    83

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


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        93      1964
 MINIMUM TEMPERATURE (F)   77        72      1950


SUNRISE AND SUNSET
JULY 14 2025..........SUNRISE   6:01 AM CHST  SUNSET   6:52 PM CHST
JULY 15 2025..........SUNRISE   6:01 AM CHST  SUNSET   6:52 PM CHST


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




$$