Climatological Report (Monthly)
Issued by NWS Tiyan, Guam

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CXGM50 PGUM 041520
CLMGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
120 AM CHST SUN FEB 5 2017

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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   01/09/1989
 LOW               66   01/18/2000
HIGHEST            89   01/24        MM      MM       88  01/30
                        01/04                             01/29
                                                          01/28
LOWEST             75   01/17        MM      MM       73  01/21
                        01/16                             01/01
                        01/12
AVG. MAXIMUM     86.5              84.9     1.6     86.5
AVG. MINIMUM     76.7              75.5     1.2     75.7
MEAN             81.6              80.2     1.4     81.1
DAYS MAX >= 90      0               0.0     0.0        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           MM   MM
 MINIMUM           MM   MM
TOTALS           6.22              4.96    1.26     2.62
DAILY AVG.       0.20              0.16    0.04     0.08
DAYS >= .01        23              20.3     2.7       19
DAYS >= .10        17               9.9     7.1        9
DAYS >= .50         3               2.4     0.6        1
DAYS >= 1.00        2               0.8     1.2        0
GREATEST
 24 HR. TOTAL    1.52   01/18 TO 01/18           01/07 TO 01/08
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/08(00) TO 01/08(00)
                                                 01/31(00) TO 01/31(00)1
                                                 01/31(00) TO 01/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   01/31 TO 01/31           01/31 TO 01/31
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/31(00) TO 01/31(00)
                                                 01/31(00) TO 01/31(00)1
                                                 01/31(00) TO 01/31(00)1

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     521               471      50      507
 SINCE 1/1        521               468      53      507

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..................................................

WIND (MPH)
AVERAGE WIND SPEED              11.6
RESULTANT WIND SPEED/DIRECTION  11/063
HIGHEST WIND SPEED/DIRECTION    28/050    DATE  01/26
HIGHEST GUST SPEED/DIRECTION    35/040    DATE  01/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             22
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      13
LIGHT RAIN               24     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

$$


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