BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY TUESDAY, JUNE 15, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] DISCUSSION AT 2 P.M. TODAY IS ONLY 3rd WARMER THAN NORMAL DAY DURING THIS COOLER-THAN- NORMAL MONTH OF JUNE SO FAR.... Temperatures have reached the middle 80's early this afternoon along with lowering humidity as the wind has veered from south early today to westerly by early afternoon. Today will be only the 3rd day this month of June out of 15 days to have above normal temperatures with the month averaging more than 2 degrees cooler than normal to date. Precipitation is running about a half inch below normal for June and 1.5 inches drier than normal for the year to date. TODAY'S OBS... 6/15/2004 TUE 8 a.m. low overcast with 6 miles in light fog and 66 deg; dewpoint 64; wind ssw at 13 mph; six hour minimum temp. 64; 24 hour precip. trace BHO SA 1155 E5 OVC 6F 146/66/64/2111/996/ 8/6// 53006 10066 20064 11 a.m. broken stratocumulus and high broken cirrus; vsibility 12 miles and hazy; wind ssw at 17 gusting 24 mph BHO SA 1455 E20 BKN 300 BKN 12 145/77/67/2115G21/996/ FEW MDT CUFRM TOPS HAZY/ 8/501 58000 2 p.m. high thin overcast with 30 miles visibility and few cumulus 45 miles to the west-northwest; temp. 84; dewpoint 62; wind west at 17 gusting 24 mph; six hour maximum temp. 84. BHO SA 1755 300 -OVC 30 144/84/62/2715G23/995/ FEW CU ALQDS FEW ACSL S LGT HAZE VSBY WNW 45/ 8/147 57001 10084 20066 WEATHER SUMMARY FOR MONDAY, JUNE 14: TIMES: EASTERN DAYLIGHT TIME TEMPERATURE (DEGREES F) MAX.....69 NORMAL.....75 MIN.....54 NORMAL.....56 MEAN....62 NORMAL.....65 DEPARTURE FROM 30-YEAR NORMAL...... - 3 TOTAL DEPARTURE FOR THE MONTH..... -30 JUNE IS AVERAGING AROUND 2.3 DEGREES COOLER THAN NORMAL DAILY.... HEATING DEGREE DAYS TOTAL HEATING DEGREE DAYS FOR YESTERDAY....... 3 DEPARTURE.....+ 1 TOTAL HEATING DEGREE DAYS FOR THE MONTH...... 70 DEPARTURE.... +20 TOTAL HEATING DEGREE DAYS FOR THE SEASON....6283 DEPARTURE.....-64 TOTAL HEATING DEGREE DAYS FOR LAST SEASON...6849 DIFFERENCE...-566 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........32 S AT 8:19 A.M. AEROVANE.........36 S AT 8:19 A.M. ASOS.............31 S AT 8:19 A.M. DAVIS............36 S AT 8:18 A.M. FASTEST MILE FOR YESTERDAY..........25 S AT 9:52 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......24 S AT 2:49 P.M. OUR AVERAGE WIND SPEED/DIRECTION....16.2 S ASOS AVERAGE WIND SPEED.............17.2 S DAVIS AVERAGE WIND SPEED/DIRECTION..17.8 S [ 194 deg ] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....TRACE DEPARTURE....-0.13 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........1.21 DEPARTURE....-0.48 ASOS..............1.17 TOTAL PRECIPITATION FOR THE YEAR..........22.13 DEPARTURE....-1.43 ASOS.............20.42 PRELIMINARY CLIMATE SUMMARY FOR JUNE 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 6/1 51/46/49/-13/0.32/000/00 28 MPH E 6/2 74/46/60/-2/0.08/254/28 31 MPH WNW TSTM 6/3 72/50/61/-1/0.21/463/51 40 MPH NW TSTM *Aerovane 46 MPH NW 6/4 72/47/60/-3/0/835/92 21 MPH S 6/5 69/50/60/-3/0/501/55 35 MPH E Aerovane 35 MPH E 6/6 55/48/52/-11/0.32/000/00 31 MPH NE 6/7 73/48/61/-3/T/428/47 21 MPH S 6/8 87/57/72/+8/0/793/87 29 MPH SSW 6/9 90/67/79/+15/0.23/.../.. 29 MPH SW 6/10 69/54/62/-2/0.05/.../.. 32 MPH NE 6/11 70/49/60/-5/0/.../../ 27 MPH NW 6/12 71/49/60/-5/0/.../.. 23 MPH S 6/13 74/51/63/-2/0/.../.. 31 MPH S 6/14 69/54/62/-3/0/T/.../.. 32 MPH S 6/15 MORNING LOW TEMP 62 During June to date there has been one daily record established so far for the month... The low maximum temp. of 51 degrees on the 1st edged out the previous low maximum for the date of 52 degrees in 1922 and 1984. * gust not associated with TSTM...but rather a rain/wind squall... DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 15 HIGH 94F IN 1988 LOW 42F IN 1959, 1978 PRECIP 2.04 INS IN 1903 PEAK GUST 52 MPH SW IN 1972 RECORDS FOR JUNE 16 HIGH 92F IN 1891, 1967 LOW 44F IN 1926 PRECIP 2.17 INS IN 1931 PEAK GUST 55 MPH W IN 1958 TODAY'S REPORT BY: Robert Skilling