BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, JUNE 20, 2007   ALL TIMES ARE IN EASTERN STANDARD TIME   FIRST IMPORTANT RAINFALL SINCE JUNE 4TH   Today's light rain and showers brought a downpour around noon EDT with an hourly rate of 1.43 ins. lasting for one minute.  Heavy rain fell for about 20 minutes or so. The final total rainfall for today was 0.38 inch through early afternoon.    Today's observations:   7 A.M.   Weather: Overcast, break in overcast east, thin fog/haze Temperature: 68F, Dew point: 65F, Wind: S at 09 kts Sea-level pressure: 29.85 inches Hg, steady Visibility: 4 miles, thin fog/haze    6-hour min temp. 63F   24-hour precip: 0.00 BHO SA 1155 5 SCT E120 OVC 4FH 108/68/65/1809/985/ 5 SCT V BKN BINOVC E VSBY INCRSNG PST HR/ 8/67/ 55001 10068 20063        10 A.M. Weather: Low overcast stratus, light rain and fog  Temperature: 69F, Dew point: 67F, Wind: SSW at 08 kts Sea-level pressure: 29.84 inches Hg, steady Visibility: 2 miles, light rain and fog    BHO SA 1455 E5 OVC 2R-F 106/69/67/2008/984/ 8/7// 55002 MANUAL 6001/ ASOS 60001   1 P.M. Weather: Overcast altostratus, altocumulus  Few stratus drifting below summit, thin fog Temperature: 68F, Dew point: 66F, Wind: WSW at 06 kts Sea-level pressure: 30.04 inches Hg, falling Visibility: 9 miles, 12 ENE   6-hour max. temp. 69 deg.      6-hour precip: 0.38 in. BHO SA 1755 120 SCT E170 OVC 9 097/67/65/2506/982/ FEW STFRA DRFTG BLO SMT PTCHS LWR AC/ACSL/ 8/67/ 58009 ASOS 60038 MANUAL 6038/ 10069 20065     WEATHER SUMMARY FOR TUESDAY, JUNE 19    TEMPERATURE (DEGREES F) MAX.....84    NORMAL.....76 MIN.....62    NORMAL.....57 MEAN....73    NORMAL.....67 DEPARTURE FROM 30-YEAR NORMAL............+6 TOTAL DEPARTURE FOR THE MONTH............-6 (-0.5 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............0  DEPARTURE.........-2 TOTAL HEATING UNITS FOR THE MONTH...........71  DEPARTURE........+11 *  TOTAL HEATING UNITS FOR THE SEASON........5902  DEPARTURE.......-455 * TOTAL HEATING UNITS LAST SEASON TO DATE...5790  DIFFERENCE......+111  * corrections have been made   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............25 SSW AT 8:11 P.M.                       AEROVANE.............25 SSW AT 8:11 P.M.                     ASOS.................N/A  #                    DAVIS................30 SSW AT 8:12 P.M.       FASTEST MILE FOR YESTERDAY..............19 SSW AT 8:13 P.M.      MAXIMUM 2-MINUTE ASOS AVERAGE...........N/A  # MAXIMUM 2-MINUTE DAVIS AVERAGE..........22 SSW AT 8:13 P.M.         AVERAGE WIND SPEED AND DIRECTION.........10.3 S                     ASOS.................N/A  #                    DAVIS................. 9.7 S [190 deg]    # ASOS WINDS SWITCHED OFF BY NWS 6/6, IT IS NOT KNOWN WHEN THAT DATA WILL RESUME   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.....-0.13                          ASOS..............0.00  TOTAL PRECIPITATION FOR THE MONTH..........1.97  DEPARTURE.....-0.54                          ASOS..............1.97    TOTAL PRECIPITATION FOR THE YEAR..........26.13  DEPARTURE.....+1.88                          ASOS.............25.61      PRELIMINARY CLIMATE SUMMARY FOR JUNE 2007......CALENDAR DAY DATA DATA REPORTED: 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  87/56/72/+10/0.12/660/73       45 NNW  Aero 44 MPH TSTM AM/PM 6/2  87/64/76/+14/0.01/290/32       23 SSE  TSTM PM    6/3  68/50/59/-3/0.14/000/000       24 NNE  TSTM AM (no rain) 6/4  63/50/57/-6/1.52/000/00        35 NE   TSTM 10:15-10:50 A.M. 6/5  78/57/68/+5/0.01/455/50        38 S   6/6  70/49/60/-3/0/637/70           35 W   6/7  69/44/57/-7/0/528/58           23 W 6/8  78/58/68/+4/0/748/82           20 WSW 6/9  63/54/59/-5/0.02/000/00        18 ENE 6/10 70/50/60/-4/0/831/91           22 ENE  6/11 77/62/70/+5/0.04/594/65        29 NE    6/12 70/56/63/-2/0.09/192/21        29 NNE 6/13 56/50/53/-12/0.01/000/00       42 NNE   Aero 40 MPH NNE 6/14 59/49/54/-11/0/036/04          34 NNE   6/15 69/46/58/-8/0/.../..           21 NNE 6/16 80/55/68/+2/0/.../..           25 SW   6/17 85/58/72/+6/T/632/69           31 W   6/18 79/60/70/+4/0/880/96           23 NW 6/19 84/62/73/+6/0/.../..           25 SSW   6/20 morning low temp. 63 deg.; normal now 57 deg.     NEW DAILY RECORDS FOR JUNE:    6/4 - NEW RECORD DAILY RAINFALL OF 1.52 INS; THE PREVIOUS       RECORD WAS 1.29 INS. IN 1898.   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JUNE 20 HIGH 94F IN 1953 LOW 41F IN 1918 PRECIP 2.62 INS 1945 PEAK GUST 63 MPH NE IN 1967   RECORDS FOR JUNE 21 HIGH 92F IN 1949 LOW 42F IN 1940 PRECIP 1.40 INS 1903 PEAK GUST 51 MPH SSW IN 2000   TODAY'S REPORT PREPARED By: Robert Skilling