Climatological Report (Daily)
Issued by NWS Boston, MA

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691 CDUS41 KBOX 190656 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 256 AM EDT SUN MAY 19 2024 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR MAY 18 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 60 1234 PM 95 2017 67 -7 64 MINIMUM 53 1159 PM 37 2002 51 2 42 AVERAGE 57 59 -2 53 PRECIPITATION (IN) YESTERDAY 0.61 1.72 2007 0.10 0.51 0.00 MONTH TO DATE 2.64 1.82 0.82 0.28 SINCE MAR 1 14.54 9.62 4.92 7.67 SINCE JAN 1 22.83 16.22 6.61 14.26 SNOWFALL (IN) YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0 2001 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.1 10.6 -10.5 0.9 SINCE JUL 1 9.8 49.2 -39.4 12.4 DEGREE DAYS HEATING YESTERDAY 8 7 1 12 MONTH TO DATE 172 161 11 115 SINCE MAR 1 1353 1485 -132 1283 SINCE JUL 1 4838 5423 -585 4599 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 10 -10 27 SINCE MAR 1 0 14 -14 32 SINCE JAN 1 0 14 -14 32 ................................................................... WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NE (40) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 12.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 600 PM LOWEST 80 100 AM AVERAGE 89 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 90 1949 1986 2017 MINIMUM TEMPERATURE (F) 51 38 1882 SUNRISE AND SUNSET MAY 19 2024...........SUNRISE 518 AM EDT SUNSET 803 PM EDT MAY 20 2024...........SUNRISE 518 AM EDT SUNSET 804 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$