584 CDUS41 KBOX 010549 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 149 AM EDT TUE MAY 1 2018 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 30 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1872 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 48 1215 PM 86 1942 61 -13 64 MINIMUM 40 253 AM 31 1874 45 -5 45 AVERAGE 44 53 -9 55 PRECIPITATION (IN) YESTERDAY 0.20 1.44 1921 0.12 0.08 0.01 MONTH TO DATE 4.62 3.74 0.88 5.73 SINCE MAR 1 9.69 8.06 1.63 9.91 SINCE JAN 1 18.38 14.67 3.71 17.38 SNOWFALL (IN) YESTERDAY 0.0 0.0 2009 0.0 0.0 0.0 2008 2007 MONTH TO DATE 1.3 1.9 -0.6 1.2 SINCE MAR 1 24.6 9.7 14.9 11.3 SINCE JUL 1 59.9 43.8 16.1 47.6 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 21 12 9 10 MONTH TO DATE 583 510 73 410 SINCE MAR 1 1436 1339 97 1361 SINCE JUL 1 5188 5381 -193 4900 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 3 -3 19 SINCE MAR 1 0 3 -3 19 SINCE JAN 1 0 3 -3 19 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 6.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 86 400 PM LOWEST 65 1200 AM AVERAGE 76 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 89 1899 MINIMUM TEMPERATURE (F) 46 33 1880 SUNRISE AND SUNSET MAY 1 2018...........SUNRISE 539 AM EDT SUNSET 744 PM EDT MAY 2 2018...........SUNRISE 538 AM EDT SUNSET 745 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$