Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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
948
CDGM40 PGUM 120642
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
442 PM CHST MON MAY 12 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 1:45 PM 92 1987 89 0 88
1988
MINIMUM 79 6:00 AM 71 1972 78 1 79
1993
AVERAGE 84 83 1 84
PRECIPITATION (IN)
TODAY 0.00 2.07 1964 0.13 -0.13 0.04
MONTH TO DATE 0.32 1.57 -1.25 0.50
SINCE MAR 1 5.81 7.84 -2.03 9.29
SINCE JAN 1 14.07 17.33 -3.26 13.55
SNOWFALL (IN)
TODAY 0.0
MONTH TO DATE 0.0
SINCE MAR 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 18 1 19
MONTH TO DATE 221 216 5 214
SINCE MAR 1 1249 1245 4 1232
SINCE JAN 1 2209 2164 45 2141
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 2:00 AM
LOWEST 59 12:00 PM
AVERAGE 71
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2014
MINIMUM TEMPERATURE (F) 78 72 2019
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 5:56 AM CHST SUNSET 6:39 PM CHST
MAY 13 2025...........SUNRISE 5:55 AM CHST SUNSET 6:39 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$