BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, JUNE 25, 2007   ALL TIMES ARE IN EASTERN STANDARD TIME   MUCH WARMER TODAY BUT WITH LOW HUMIDITY EARLY MORNING CLOUDS CLEARED AWAY LEAVING US WITH LOTS OF BRIGHT SUNSHINE BY MID-MORNING   The warmest temperatures since the 1st and 2nd of June (87 degrees) have reached 86 degrees early this afternoon but with generally low humidity prevailing; dewpoints in the upper 50's.   Early early morning cloudiness has cleared away leaving us with a mostly sunny sky.    SSW-SW winds are becoming a bit gusty early this afternoon running up to 25 to 28 MPH by 2 p.m.      Today's observations:   7 A.M.   Weather:  Temperature: 68F, Dew point: 57F, Wind: WSW at 08 kts Sea-level pressure: 30.19 inches Hg, rising Visibility: 25 miles, hazy 6-hour min temp. 65F   24-hour precip: 0.00 in. BHO SA 1155 E100 BKN 25 222/68/57/2408/019/ FEW ACC HAZY/ 8/080 53014 10068 20065          10 A.M. Weather: Clear, few middle and high clouds  Temperature: 81F, Dew point: 59F, Wind: SW at 12 kts Wind: Variability S-WSW  Sea-level pressure: 30.20 inches Hg, steady Visibility: 35 miles, 40-45 WNW light haze      BHO SA 1455 CLR 35 227/81/59/2312/020/ FEW ACC SSE-SW AC SW-WNW FEW CI W-DSNT NW VSBY WNW 40-45 LGT HZ ALQDS WND 19V25/ 8/041 51005   1 P.M. Weather: Scattered clouds includes moderate cumulus   Temperature: 84F, Dew point: 59F, Wind: SSW at 16G23 kts Sea-level pressure: 30.18 inches Hg, falling Visibility: 35 miles, 40 to 45 miles WNW, hazy    6-hour max. temp. 86 deg. BHO SA 1755 60 SCT 85 SCT 220 SCT 250 SCT 35 219/84/58/2016G23/018/ MDT CU ALQDS AC/ACSL N-NE DENSE CI NNW-E VSBY WNW 40-45 LGT HZ/ 8/242 56008 10086 20068    WEATHER SUMMARY FOR SUNDAY, JUNE 24   TEMPERATURE (DEGREES F) MAX.....76    NORMAL.....78 MIN.....52    NORMAL.....58 MEAN....64    NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL............-4 TOTAL DEPARTURE FOR THE MONTH............-23 (-1.2 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............1  DEPARTURE......... 0 TOTAL HEATING UNITS FOR THE MONTH...........80  DEPARTURE........+12   TOTAL HEATING UNITS FOR THE SEASON........5911  DEPARTURE.......-454 TOTAL HEATING UNITS LAST SEASON TO DATE...5790  DIFFERENCE......+121   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............28 W AT 4:27 P.M. *                       AEROVANE.............25 W AT 1:38 P.M.                      ASOS.................N/A  #                    DAVIS................28 W AT 1:38 P.M.       FASTEST MILE FOR YESTERDAY..............20 W AT 4:27 P.M.      MAXIMUM 2-MINUTE ASOS AVERAGE...........N/A  # MAXIMUM 2-MINUTE DAVIS AVERAGE..........21 W AT 4:28 P.M.          AVERAGE WIND SPEED AND DIRECTION........11.0 W                        ASOS.................N/A  #                    DAVIS................11.5 W [260 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..........2.64  DEPARTURE.....-0.52                          ASOS..............2.60    TOTAL PRECIPITATION FOR THE YEAR..........26.80  DEPARTURE.....+1.90                          ASOS.............26.24      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/-8/0/769/84           21 NNE 6/16 80/55/68/+2/0/577/63           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/+6/0/578/63           25 SSW 6/20 74/60/67/0/0.38/147/16         25 W 6/21 77/56/67/0/0.23/823/90         30 WSW  TSTM evening * 6/22 71/54/63/-4/0.06/.../..        37 NW   TSTM 1:15-1:30 P.M. 6/23 68/50/59/-9/0/.../..           33 W       6/24 76/52/64/-4/0/.../..           28 W        6/25 morning low temp. 65 deg; normal now 58 deg.   * addition of occurrence of evening thunderstorm   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 25 HIGH 93F IN 1943,1980, 2005 LOW 47F IN 1903 PRECIP 1.10 INS IN 2006 PEAK GUST 51 MPH W IN 1960   RECORDS FOR JUNE 26 HIGH 96F IN 1952 LOW 45F IN 1986 PRECIP 1.52 INS IN 1945 PEAK GUST 48 MPH N IN 1998   TODAY'S REPORT PREPARED By: Robert Skilling