CDGM40 PGUM 180717 CLIGUM CLIMATE REPORT NATIONAL WEATHER SERVICE TIYAN GUAM 517 PM CHST MON MAY 18 2026 ................................... ...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 18 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1945 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 88 1:20 PM 91 2013 89 -1 89 MINIMUM 80 2:55 AM 67 1967 78 2 76 AVERAGE 84 83 1 83 PRECIPITATION (IN) TODAY 0.00 4.30 1977 0.14 -0.14 0.23 MONTH TO DATE 4.27 2.38 1.89 0.87 SINCE MAR 1 33.34 8.65 24.69 6.36 SINCE JAN 1 47.11 18.14 28.97 14.62 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 18 MONTH TO DATE 313 324 -11 334 SINCE MAR 1 1254 1353 -99 1362 SINCE JAN 1 2166 2272 -106 2322 ................................................................... WIND (MPH) RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (80) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 15.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 1:00 AM LOWEST 65 2:00 PM AVERAGE 72 .......................................................... THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 89 92 2001 MINIMUM TEMPERATURE (F) 78 66 1975 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST MAY 19 2026...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$