BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA THURSDAY JULY 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... 7/11/2002..2 P.M. Chilly start to today with the morning low of 51 degrees, this was only 2 degrees shy from our record low for the date which is 49 set back in 1890. Another very pleasant day with temperatures barely reaching 70 degrees and continued low dewpoints in the mid 40s. A thin veil of smoke was observed for awhile today between 7-8 thousand feet, but it has since moved out. Either way, it's been a beautiful mid July day across the region, really can't get any better than this, although we could really use some more rain! OBSERVATIONS TODAY..... 8 A.M. BHO SA 1155 CLR 90 173/58/44/3215G22/004/ FEW MDT CU OFFSHR NE-SE CI LYR SE-SSE/ 8/201/ 53010 10058 20051 11 A.M. BHO SA 1455 50 SCT 70 173/64/44/3115G25/004/ SC/SML CU ALQDS FEW MDT CU OFFSHR E-SE/ 8/200/ 54000 2 P.M. BHO SA 1755 E50 BKN 60 170/68/45/3114G20/003/ HAZY/ 8/200/ 58003 10070 20058 THE DATA RECORDED FOR WEDNESDAY JULY 10TH... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX : 75 MIN: 57// ASOS MAX: 76 ASOS MIN: 58 NORMAL HIGH AND LOW: 81/61 MEAN 66 [- 5 ] TOTAL DEP. FOR JULY TO DATE: + 58 DEG. JULY AVERAGE NOW STANDS AT ABOUT 5.8 DEG. WARMER THAN NORMAL DAILY.... PRECIPITATION....ON 07/11 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.00 INS. ASOS......................0.00 INS. JULY TOTAL................0.75 INS. DEP. FRM NORMAL TO DATE..-0.47 INS. JULY ASOS TOTAL...........0.74 INS. PRECIP. TOTAL YEAR 2002: 25.37 INS. DEPARTURE FROM NORMAL....-1.52 INS. ASOS TOTAL FOR 2002: 24.12 INS. WIND DATA....FOR WEDNESDAY 7/10.. PEAK GUST ASOS: 28 MPH NNW AT 8:27 P.M. EDT PEAK GUST 420C: 30 MPH NW AT 9:59 A.M. EDT PEAK GUST AERO: 30 MPH NW AT 9:59 A.M. EDT JULY 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 7/1 88/63/76/+7/0/.../../ 29 W 7/2 91/71/81/+11/0/566/62/ 25 W 7/3 95/76/86/+16/0/.../../ 20 WNW *** 7/4 96/74/85/+15/0/.../../ 24 W 7/5 80/63/72/+2/0/.../../ 36 WNW 7/6 81/59/70/0/0.02/.../../ 30 N 7/7 74/63/69/-1/0/.../../ 22 W 7/8 89/64/77/+6/0/744/82/ 27 SW 7/9 90/65/78/+7/0.73/..../../ 28 NW 7/10 75/57/66/-5/0/.../../ 30 NW 7/11 Hi/Lo thus far 69/51 *** 7/3 new record high min. temp. of 76; previous record was 75 degrees in 1911. RECORDS FOR JULY 11 HIGH 98 IN 1911 LOW 49 IN 1890 PRECIP 1.87 IN 1959 PEAK GUST 53 MPH NW IN 1988 RECORDS FOR JULY 12 HIGH 97 IN 1943 LOW 48 IN 1845 PRECIP 1.43 IN 1975 PEAK GUST 48e MPH SSW IN 1944 e = estimated MFD