BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME (UNLESS OTHERWISE INDICATED) SATURDAY, JUNE 25, 2005 Discussion at 11 a.m. today... We may be close to or possibly tie or break today's record high maximum temperature of 93 degrees first set in 1943 and equaled in 1980. TODAY'S OBSERVATIONS.... 8 a.m. high thin overcast with 10 miles visibility and hazy; temp. 70; dewpoint 63; wind sw at 14 gusting 21 mph; six hourly min. temp. 64 degrees.... BHO SA 1155 300 -OVC 10 177/70/63/2212G18/005/ HAZY/ 8/007 51004 10070 20064 11 a.m. thin scattered with 12 miles visibility and hazy; temp. 84; dewpoint 65; wind ssw at 12 mph.... BHO SA 1455 300 -SCT 12 173/84/65/2210/004/ HAZY/ 8/001 55004 WEATHER SUMMARY FOR FRIDAY, JUNE 24: TEMPERATURE (DEGREES F) MAX.....84 NORMAL.....78 HAZEN.... 84.3F @ 3:29 P.M. MIN.....56 NORMAL.....58 HAZEN.....55.5F @ 5:31 A.M. MEAN....70 NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL.....+ 2 TOTAL DEPARTURE FOR THE MONTH.....+36 (+1.3 DEGREES/DAY) HEATING DEGREE DAY UNITS... TOTAL HEATING UNITS FOR YESTERDAY....... 0 TOTAL HEATING UNITS FOR THE MONTH.......63 TOTAL HEATING UNITS FOR THE SEASON....6409 DEP....+44 TOTAL HEATING UNITS FOR LAST SEASON...6290 DIF....+119 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........28 S AT 8:39 P.M. * AEROVANE.........30 S AT 8:39 P.M. ASOS.............26 SSW AT 9:34 P.M. DAVIS............31 S AT 8:39 P.M. * last of several occurrences..... FASTEST MILE FOR YESTERDAY..........22 SSW MAXIMUM 2-MINUTE ASOS AVERAGE.......22 SSW AT 9:34 P.M. MAXIMUM 1-MINUTE DAVIS AVERAGE......23 S AT 7:56 P.M. AVERAGE WIND SPEED AND DIRECTION..14.4 SSW ASOS...........14.5 SSW [200 deg] DAVIS..........14.5 SSW [210 deg] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.10 DEPARTURE....-0.03 ASOS..............0.10 TOTAL PRECIPITATION FOR THE MONTH..........0.84 DEPARTURE....-2.31 ASOS..............0.83 TOTAL PRECIPITATION FOR THE YEAR..........30.58 DEPARTURE....+5.84 ASOS.............29.45 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/.../.. 23 MPH SSW 6/24 84/56/70/+2/0/.../.. 28 MPH S 6/25 morning low temp. 64; normal low now 58 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): NEW DAILY RECORDS FOR JUNE THRU 24TH... * 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. RECORDS FOR JUNE 25 HIGH 93F IN 1943,1980 LOW 47F IN 1903 PRECIP 0.94 INS IN 1892 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 RECORDS FOR JUNE 27 HIGH 93F IN 1999 LOW 46F IN 1897 PRECIP 1.72 INS IN 1938 PEAK GUST 55e N IN 1945 TODAY'S REPORT BY: Robert Skilling