BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA Monday, July 22, 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... 7/22/2002..2 P.M. After a morning of havoc here at the Observatory, we finally fixed the webcam! Now we plan to place an extention cord on the camera so that we will be able to bring everyone multiple views from the Observatory. The weather has really picked up today. Dewpoints have risen from the lower 60's earlier in the day to the upper 60's this afternoon as well as the rising temperatures, which have reached 84 degrees. The humidity continues to remain around 60%. Also, a warm SSW wind has picked up considerably. The wind continues to blow at around 20 miles per hour with gusts up to 32 miles per hour. The visibility today has been below normal due to the thick haze that remains in the area. The visibility today has only been 12 miles. OBSERVATIONS TODAY.....Mon 7/22/02 8 A.M. BHO SA 1155 CLR 15 194/69/63/2116G21/010/ FEW STRA DSSPTD PST HR THN FH ALQDS/ 52003 11 A.M. BHO SA 1455 CLR 12 178/80/65/2016G23/005/ H ALF HAZY/ 58016 2 P.M. BHO SA 1755 CLR 12 166/83/66/1917G24/002/ FEW CI E HAZY PK WND 20027/42/ 8/001/ 57012 10084 20069 THE DATA RECORDED FOR SUNDAY JULY 21ST... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX : 81 MIN: 58// ASOS MAX: 82 ASOS MIN: 58 NORMAL HIGH AND LOW: 82/63 MEAN 70 [-2] TOTAL DEP. FOR JULY TO DATE: + 33 DEG. JULY AVERAGE NOW STANDS AT ABOUT 1.5 DEG. WARMER THAN NORMAL DAILY.... PRECIPITATION....ON 07/22 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.00 INS. ASOS......................0.00 INS. JULY TOTAL................2.14 INS. DEP. FRM NORMAL TO DATE..-0.70 INS. JULY ASOS TOTAL............N/A PRECIP. TOTAL YEAR 2002: 26.76 INS. DEPARTURE FROM NORMAL....-1.75 INS. ASOS TOTAL FOR 2002: N/A WIND DATA....FOR Sunday 7/21 PEAK GUST ASOS: 26 MPH S AT 9:31 P.M EDT PEAK GUST 420C: 27 MPH S AT 8:13 P.M. EDT PEAK GUST AERO: 27 MPH NW AT 8:02 P.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/+7/0/649/71/ 29 W 7/2 91/71/81/+11/0/566/62/ 25 W 7/3 95/76/86/+16/0/821/90/ 20 WNW *** 7/4 96/74/85/+15/0/811/89/ 24 W 7/5 80/63/72/+2/0/865/95/ 36 WNW 7/6 81/59/70/0/0.02/619/68/ 30 N 7/7 74/63/69/-1/0/327/36/ 22 W 7/8 89/64/77/+6/0/744/82/ 27 SW 7/9 90/65/78/+7/0.73/299/33/ 28 NW 7/10 75/57/66/-5/0/833/92/ 30 NW/ TSTM 7/11 71/51/61/-11/0/877/97/ 29 NW 7/12 79/55/67/-5/0/857/95/ 21 SW 7/13 84/60/72/+1/0/730/81/ 28 SW 7/14 85/63/74/+2/0/621/69/ 23 S 7/15 86/60/73/+1/1.11/548/61/ 71 WNW/SEVERE TSTM *** 7/16 76/59/68/-4/0/664/74/ 29 NW 7/17 83/55/69/-3/0/.../../23 WSW 7/18 89/68/79/+7/0.01/.../.../ 25 W/ TSTM 7/19 74/61/68/-4/0.26/.../../ 21 E/ TSTM 7/20 71/59/65/-7/0.01/.../../ 23 NE 7/21 81/58/70/-2/0/.../../ 27 S 7/22 morning low temp. 62 degrees... *** 7/3 new record high min. temp. of 76; previous record was 75 degrees in 1911. *** 7/15 new record peak wind gust of 71 WNW; previous record was 60e SSW in 1945; A trace of hail RECORDS FOR JULY 22 HIGH 99 IN 1926 LOW 52 IN 1890 PRECIP 1.73 IN 1887 PEAK GUST 55 MPH NW IN 1983 RECORDS FOR JULY 23 HIGH 99 IN 1952 LOW 51 IN 1923,1977 PRECIP 1.82 IN 1953 PEAK GUST 54e MPH S IN 1946 RECORDS FOR JULY 24 HIGH 96 IN 1987 LOW 49 IN 1893,1912 PRECIP 2.21 IN 1988 PEAK GUST 41 MPH S IN 1975 41e MPH WSW IN 1977 RECORDS FOR JULY 25 HIGH 94 IN 1963,1987 LOW 51 IN 1901,1953 PRECIP 2.25 IN 1990 PEAK GUST 88 MPH NW 1972 e = estimated Robert Skilling/Andrew Hoell