BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA SATURDAY, JUNE 21, 2003 DAILY DISCUSSION... A FEW SHOWERS TODAY, WITH MORE EXPECTED INTO TOMORROW... RECORD LOW SUNSHINE CONTINUES FOR MAY/JUNE... SUMMER BEGINS TODAY AT 3:10 PM EDT... Some sunshine early this morning gave way to clouds later in the morning. A light shower began at 12:25 PM and ended at 1:05 PM. Sunshine for June remains below 40% and the average for May and June combined is close to 37%. This is close to the record lowest sunshine for May/June of 38% set in 1948. June also continues cool with an average temperature of about 4 degrees below normal. Official summer begins at 3:10 PM this afternoon, although it won't seem like it for the next couple of days. Warmer (even above normal) temperatures are expected early next week. MJI Today's observations: 8 AM BHO SA 1155 120 SCT E250 OVC 45 149/63/52/0708/997/ ACCAS N-NE FEW CUFRA VCNTY STN BINOVC W-SE WND LGT/ 8/178 53007 10063 20058 11 AM BHO SA 1455 E80 BKN 200 BKN 250 OVC 50 139/66/52/0504/994/ FEW CU DSNT N BINOVC OVHD-W-N SUN VSBL WND LGT AND VRB/ 8/178 56010 2 PM BHO SA 1755 E65 BKN 200 OVC 55 129/64/51/0607/991/ RW-B00E05 FEW CU DSNT N BINOVC DSNT NNW-N VSBY NW 70 WND LGT/ 8/177 56010 6000/ 10066 20063 WINDS AT BLUE HILL FOR FRIDAY, JUNE 20 PEAK WIND GUST FOR FRIDAY...........29 MPH ENE AT 12:53 PM EDT AEROVANE.........31 MPH NE AT 10:18 AM EDT ASOS.............28 MPH ENE AT 12:53 PM EDT AVERAGE WIND SPEED AND DIR........11.8 MPH, NE ASOS...........11.5 MPH WINDS AT BLUE HILL FOR SATURDAY, JUNE 21 PEAK WIND GUST THROUGH 2 PM..........23 MPH ENE AT 11:27 AM EDT AEROVANE..........25 MPH ENE AT 11:27 AM EDT ASOS..............21 MPH ENE AT 11:34 AM EDT TEMPERATURES AT BLUE HILL FOR FRIDAY, JUNE 20 MAX.....68 NORMAL.....77 ASOS.....69 AT 3:53 PM EDT MIN.....59 NORMAL.....57 ASOS.....58 AT 11:48 PM EDT MEAN....64 NORMAL.....67 DEP......-3 DEP FOR MONTH....-77 The month is averaging about 4 degrees below normal per day. HEATING DEGREE DAY UNITS THROUGH FRIDAY, JUNE 20 HEATING UNITS FOR FRIDAY.............1 DEP.....-1 HEATING UNITS FOR THE MONTH.........94 DEP....+32 HEATING UNITS FOR THE SEASON......6873 DEP...+514 HEATING UNITS FOR LAST SEASON.....5338 DEP..+1535 PRECIPITATION DATA AT BLUE HILL..... TOTAL PRECIPITATION 24 HRS ENDING 8 AM....0.00 IN DEP....-0.13 IN ASOS.............0.00 IN TOTAL PRECIPITATION FOR THE MONTH.........3.70 INS DEP....+1.17 IN ASOS.............3.61 INS TOTAL PRECIPITATION FOR THE YEAR.........27.83 INS DEP....+4.48 INS ASOS............25.82 INS RECORDS FOR JUNE 21 HIGH 92 IN 1949 LOW 42 IN 1940 PRE 1.40 INS IN 1903 WIND 51 MPH SSW IN 2000 RECORDS FOR JUNE 22 HIGH 93 IN 1921 LOW 43 IN 1940 PRE 1.57 INS IN 1900 WIND 74 MPH NW IN 1988 Daily wind records are for the period 1940-2002. Temperature and precipitation records are for the full period of record 1885-2002. Mike Iacono