BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY JUNE 11 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ SEE OUR NEW OFFICE CAM FACING WEST OUT WEST WINDOW AT www.bluehill.org/webcam DAILY DISCUSSION... 6/11/2002... FINALLY SOME SUMMER HEAT.... The temp. was headed into the mid-80's early this afternoon and dewpoints had climbed from the low 50's early this morning to the mid-60's creating quite humid conditions. Seems to me the forecast yesterday morning was that Monday would be the warmest day of the week! Well, Monday's high was only 74. A brief light rain shower was all we had from the warm front early this morning. Haze aloft quickly lowered to the surface and visibility dropped from 35 miles at 8 a.m. to only 9 miles early by late morning in the haze. TODAY'S OBSERVATIONS.... 6/11/2002 TUE 8 a.m. BHO SA 1155 55 SCT E80 OVC 35 147/60/52/2119G26/996/ ACC VCNTY STN ALQDS BINOVC OVHD SKY CLRG W H LYR ALF PK WND 2026/52/ 8/58// 58015 6000/ 10060 20054 11 a.m. BHO SA 1455 300 -BKN 9 126/73/63/2116G23/990/ FEW LWR CI AND CC HAZY AND HAZE INCRSNG PK WND 2127/30/ 8/001/ 58021 2 p.m. BHO SA 1755 300 -SCT 9 103/84/66/2216G22/983/ HAZY/ 8/001/ 56023 10084 20059 THE DATA RECORDED FOR MONDAY JUNE 10TH...... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX : 74 MIN: 56 // ASOS MAX: 74 ASOS MIN: 56 NORMAL HIGH AND LOW: 74/55 MEAN 65 [ + 1 ] TOTAL DEPARTURE FOR JUNE TO DATE: - 26 degrees June is averaging about 3 DEGREES COOLER THAN NORMAL DAILY.... PRECIPITATION....ON 06/11 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . trace ASOS......................0.00 INS. JUNE TOTAL................2.32 INS. DEP. FRM NORMAL TO DATE..+1.15 INS. JUNE ASOS TOTAL...........2.29 INS. PRECIP. TOTAL YEAR 2002: 22.63 INS. DEPARTURE FROM NORMAL....-0.28 INS. ASOS TOTAL FOR 2002: 21.42 INS. WIND DATA....FOR MONDAY 6/10.... PEAK GUST ASOS: 21 MPH NNW AT 2:53 A.M. EDT PEAK GUST 420C: 23 MPH NNW AT 2:50 A.M. EDT PEAK GUST AERO: 24 MPH NNW AT 2:50 A.M. EDT JUNE 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... BELOW IS ORDER OF DATA REPORTED.... MAX/MIN/MEAN/DEP/PRECIP/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system gust when significantly higher ... data as yet not available TSTM = thunderstorm day 6/1 82/59/71/+9/0/823/91/ 39 W 6/2 72/50/61/-1/0.11/606/67/ 48 WNW/TSTM 6/3 68/47/58/-5/0/816/90/ 29 NW 6/4 71/49/60/-3/T/781/86/ 28 SSW 6/5 70/55/63/0/0.15/009/01/ 39 S/TSTM 6/6 67/49/58/-5/1.16/000/00/ 37 NE/TSTM 6/7 53/47/50/-14/0.90/191/21/ 32 NNE 6/8 69/44/57/-7/0/811/89/ 29 S 6/9 78/48/63/-1/T/429/47/ 32 W 6/10 74/56/65/+1/0/603/66/ 23 NNW 6/11 MORNING LOW 54; trace of rain thru 2 p.m. RECORDS FOR JUNE 11 HIGH 92 IN 1973,1984,1997 LOW 40 IN 1972 PRECIP 2.66 INS 1922 PEAK GUST 43e MPH IN 1945 RECORDS FOR JUNE 12 HIGH 92 IN 1973 LOW 40 IN 1906 PRECIP 1.79 INS 1955 PEAK GUST 58 MPH NW IN 1991 e = estimated Robert Skilling