BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME TUESDAY, JULY 5, 2005 Today's discussion at 2 p.m. A WARM AND VERY DRY JUNE WITH 52% OF THE POSSIBLE BRIGHT SUNSHINE...NORMAL IS 55% WIND SPEEDS CONTINUE TO DECREASE June 2005 averaged 2.6 degrees warmer than normal at 68.3 but since July began average temperatures have been around one degree cooler than normal. Precipitation for June was 1.07 inches of 2.86 ins. drier than normal and July continues the dry trend with just 0.02 inch through July 4th. The average wind speed for the first six months of 2005 set a new record low of 12.6 mph; the previous low record for any first six months of any year was 13.0 mph in two recent years since 2000. TODAY'S OBSERVATIONS..... 8 a.m. clear with 35 miles visibility; temp. 66; dewpoint 55; wind ssw at 10 mph six hourly min. temp. 60 deg. 7/5/2005 TUE BHO SA 1155 CLR 35 170/66/55/2009/003/ FEW THN CI W LGT HAZE ALQDS/ 8/001 56005 10066 20060 11 a.m. high thin clouds with increasing haziness; visibility 20 miles; temp. 79; dewpoint 64; wind ssw 13 mph... BHO SA 1455 250 -SCT 300 -BKN 20 167/79/64/2011/002/ HZ INCRSNG/ 8/001 58003 2 p.m. scattered cu scattered high cirrus and visibility 12 miles and hazy and haze increasing; temp. 84; dewpoint 67; wind s at 15 mph; six hourly max. temp. 85 deg. BHO SA 1755 35 SCT 350 SCT 12 149/84/67/1913/997/ FEW MDT CU HAZY AND HZ INCRSNG WND 15V21/ 8/201 58018 10085 20066 WEATHER SUMMARY FOR MONDAY, JULY 04: TEMPERATURE (DEGREES F) MAX.....81 NORMAL.....80 HAZEN.....3:32 P.M. MIN.....58 NORMAL.....60 HAZEN.....2:52 A.M. MEAN....70 NORMAL.....70 DEPARTURE FROM 30-YEAR NORMAL.....+ 0 TOTAL DEPARTURE FOR THE MONTH.....- 3 (~ -1 DEGREE/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE....-0.13 ASOS.............. 0.00 ASOS JUNE......... 1.06 MANUAL JUNE........1.07 DEPARTURE....-2.86 TOTAL PRECIPITATION FOR THE MONTH..........0.02 DEPARTURE....-0.50 ASOS..............0.03 TOTAL PRECIPITATION FOR THE YEAR..........30.83 DEPARTURE....+4.79 ASOS.............29.71 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........N/A AEROVANE.........N/A ASOS.............21 S AT 10:24 P.M. DAVIS............22 S AT 8:21 P.M. FASTEST MILE FOR YESTERDAY..........N/A MAXIMUM 2-MINUTE ASOS AVERAGE.......17 SSE AT 10:24 P.M. MAXIMUM 1-MINUTE DAVIS AVERAGE......17 S AT 8:30 P.M. AVERAGE WIND SPEED AND DIRECTION... N/A ASOS........... 7.8 SE [140 deg] DAVIS........... 7.3 S [170 deg] PRELIMINARY CLIMATE SUMMARY FOR JUNE 2005......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 6/1 64/46/55/-7/0/570/63 22 MPH S 6/2 75/48/62/0/0/689/76 22 MPH S 6/3 77/49/63/+1/0/508/56 29 MPH S 6/4 83/58/71/+8/0/781/86 15 MPH SW 6/5 88/55/72/+9/0/782/86 27 MPH N 6/6 76/52/64/+1/0/382/42 30 MPH SSE 6/7 87/61/74/+10/0/802/88 33 MPH SSW 6/8 89/65/77/+13/0.34/784/86 30 MPH N TSTM 6/9 79/65/72/+8/0.18/593/65 28 MPH WSW TSTM 6/10 81/66/74/+10/0/174/19 36 MPH SSW Aero 38 MPH SSW 6/11 88/66/77/+12/0/475/52 26 MPH SSW 6/12 87/67/77/+12/0.01/265/29 25 MPH SW TSTM 6/13 89/71*/80/+15/T/201/22 21 MPH SSW 6/14 81/51/66/+1/0.01/201/22 27 MPH NNE TSTM 6/15 51*/47/49/-17/0.02/000/00 27 MPH N 6/16 62/47/55/-11/0.18/009/01 23 MPH NNE 6/17 73/50/62/-4/T/403/44 24 MPH N 6/18 66/50/58/-8/T/321/35 21 MPH NE 6/19 61/50/56/-11/0/303/33 22 MPH NNE 6/20 77/50/64/-3/0/908/99 26 MPH S 6/21 83/53/68/+1/0/698/76 27 MPH SSW 6/22 71/57/64/-3/0.10/348/38 25 MPH NW 6/23 76/53/65/-3/0/770/84 23 MPH SSW 6/24 84/56/70/+2/0/834/91 28 MPH S 6/25 93*/64/79/+11/0/825/90 28 MPH SW 6/26 95/69/82/+14/0/650/71 23 MPH SSW TSTM 6/27 89/68/79/+10/0/815/89 25 MPH S 6/28 79/69/74/+5/T/046/05 29 MPH S 6/29 85/69/77/+8/0.23/128/14 36 MPH SW 6/30 77/60/69/+0/T/009/01/ 18 MPH S Preliminary July data below... DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 19+0 (e = estimated): NEW DAILY RECORDS FOR JUNE * a new record high min. temp. for 6/13 of 71 deg; the previous record was 70 in 1892. * a new record low max. temp. for 6/15 of 51 deg; the previous record was 52 in 1959 and 2000. * TIED RECORD HIGH MAX. TEMP. for 6/25 of 93 deg; the previous record originally set in 1943,1980 PRELIMINARY CLIMATE SUMMARY FOR JULY 2005......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 7/1 75/60/68/-2/0.02/.../.. .... 7/2 80/62/71/+1/0/.../.. .... 7/3 77/59/68/-2/0/.../.. .... 7/4 81/58/70/0/0/.../.. .... 7/5 morning low temp. 60 deg. TODAY'S REPORT BY: Robert Skilling