BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY WEDNESDAY, JULY 14, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] TODAY'S MANUAL OBSERVATIONS.... 7/14/2004 WED 8 a.m. obscured at 200 with 1/16 mile visibility; heavy drizzle and fog; temp. 60; dewpoint 60; wind nne at 15 mph with gusts up to 23 mph; 6-hourly precip. 0.27 ins.; 24-hour precip. 0.60 ins.; 6 hourly min. temp. 60 deg. BHO SA 1155 W2 X 1/16L+F 066/60/60/0313G20/973/ 8//// 56009 ASOS 60028 MANUAL 6028/ ASOS 70061 MANUAL 70060 10061 20060 11 a.m. obscured at 200 with visibility variable between 1/8 mile and 1/16 mile accompanied by moderate drizzle and heavy fog; temp. and dewpoint 62; wind nne 12 mph gusting 21 mph; 3-hourly precip. 0.16 ins. BHO SA 1455 W2 X 1/8VLF 061/62/62/0210G18/971/VSBY 1/8V1/16/ 8//// 56005 ASOS 60016 MANUAL 6016/ 2 p.m. BHO SA 1755 E3 OVC 2F 053/63/62/3609/969/ FEW STFRA DRFTG BLO SMT WND 32V03/ 8/6// 58008 ASOS 60018 MANUAL 6018/ 10063 20060 WEATHER SUMMARY FOR TUESDAY JULY 13: TEMPERATURE (DEGREES F) MAX.....64 NORMAL.....81 HAZEN SHELTER: 64.0 @ 10:53 a.m. MIN.....60 NORMAL.....62 HAZEN SHELTER: 59.5 @ 8:23 a.m. MEAN....62 NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.........-10 TOTAL DEPARTURE FOR THE MONTH.........-25 JULY IS AVERAGING 2.1 DEGREES COOLER THAN NORMAL PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........28 ENE AT 9:34 p.m. AEROVANE..........29 ENE AT 9:37 p.m. ASOS..............26 ENE AT 9:47 p.m. DAVIS.............27 ENE AT 9:33 p.m. ASOS 2-MINUTE.....21 ENE AT 9:07 p.m. FASTEST MILE......22 ENE AT 9:33 p.m. OUR AVERAGE....... 12.7 MPH ENE ASOS AVERAGE...... 13.0 MPH ENE [60 deg.] DAVIS AVERAGE......12.4 MPH E [89 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.60 DEPARTURE....+0.48 ASOS..............0.61 TOTAL PRECIPITATION FOR THE MONTH..........2.89 DEPARTURE....+1.31 ASOS..............2.92 TOTAL PRECIPITATION FOR THE YEAR..........25.76 DEPARTURE....-1.49 ASOS.............24.18 PRELIMINARY CLIMATE SUMMARY FOR JULY 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 7/1 82/62//72/+2/0.06/T/507/55 29 MPH S TSTM trace/sml hail 7/2 83/59/71/+1/0.93/T/575/63 45 MPH W TSTM trace of hail * 7/3 80/59/70/0/0/892/98 21 MPH NNW 7/4 81/59/70/0/0/817/90 23 MPH SSE 7/5 69/63/66/-5/1.29/000/00 33 MPH S 7/6 79/65/72/+1/T/367/40 22 MPH NW 7/7 78/63/71/0/0/690/76 23 MPH SSE 7/8 75/62/69/-2/0.01/045/05/ 24 MPH S 7/9 75/62/69/-2/0/534/59 25 MPH S 7/10 80/59/70/-1/0/842/93 21 MPH NW 7/11 74/60/67/-5/0/713/79 20 MPH N 7/12 76/59/68/-4/0/189/21 24 MPH S 7/13 64/60/62/-10/.../0/0 28 MPH ENE 7/14 MORNING LOW 59.5 ...NO SUNSHINE VERY HEAVY RAINFALL EVENT ON JULY 2ND..... 7/2.. * short period rainfall 0.41 in 3 mins.; 0.50 in 5 mins.; 0.80 in 10 mins. 0.86 in 15 mins.... DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JULY 15 HIGH 94F IN 1995 LOW 50F IN 1929, 1930 PRECIP 1.64 INS IN 1896 WIND 71 MPH WNW IN 2002 RECORDS FOR JULY 16 HIGH 94F IN 1968, 1980, 1983, 1999 LOW 50F IN 1889, 1903 PRECIP 0.89 INS IN 1919 WIND 48e MPH SW 1944 RECORDS FOR JULY 17 HIGH 96F IN 1999 LOW 47F IN 1892 PRECIP 1.39 INS IN 1989 WIND 46 MPH WNW IN 1971 RECORDS FOR JULY 18 HIGH 96F IN 1991, 1999 LOW 54F IN 1892, 1956, 1971 PRECIP 1.65 INS IN 2000 WIND 43e MPH SW IN 1949 RECORDS FOR JULY 19 HIGH 96F IN 1977, 1991 LOW 50F IN 1890 PRE 1.10 INS IN 1951 WIND 63 MPH SSW IN 1982 RECORDS FOR JULY 20 HIGH 99F IN 1991 LOW 47F IN 1890 PRE 1.64 INS IN 1938 WIND 56e MPH SSW IN 1943 RECORDS FOR JULY 21 HIGH 100F IN 1977 [RECORD FOR MONTH] LOW 48F IN 1890 PRECIP 2.09 INCHES IN 1938 PEAK GUST 60e MPH WNW IN 1977 RECORDS FOR JULY 22 HIGH 99F IN 1926 LOW 52F IN 1890 PRECIP 1.73 INCHES IN 1900 PEAK GUST 55 MPH IN 1983 RECORDS FOR JULY 23 HIGH 99F IN 1952 LOW 51F IN 1923,1977 PRECIP 1.82 INCHES IN 1953 PEAK GUST 54e MPH S IN 1946 TODAY'S REPORT BY: Kim Jeffs/Robert Skilling