BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY WEDNESDAY, JULY 7, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] TODAY'S DISCUSSION... Beautiful sunny and normally warm day today with temperatures approaching the 80-degree mark early this afternoon despite a light seabreeze in control. Today's average temperature should come out very close to normal. TODAY'S OBS... 7/7/2004 WED 8 a.m. clear with 35 miles visibility; 45 miles wnw and temp. 68; dewpoint 58; wind nne 6 mph; six hourly low temp. 63 deg... BHO SA 1155 CLR 35 135/68/58/0305/993/ FEW SC/SCC ALQDS THN K LYR ALG HRZN W-NW LGT HZ ALQDS VSBY WNW 45/ 8/500 51004 10068 20063 11 a.m. scattered clouds with 40 miles visibility and 55 miles visibility to the west and northwest; temp. 74; dewpoint 58; wind wnw at 03 mph... BHO SA 1455 30 SCT 40 132/74/58/E3002/992/ MDT CU ALQDS LGT HZ VSBY W-NW 55 WND LGT/ 8/200 57003 2 p.m. scattered clouds with 40 miles visibility and 55 miles to the west and northwest and 25 miles northeast-east; temp. 77 and dewpoint 62; wind nne at 08 mph and variable from nnw to ene; six hourly maximum temp. 78 deg. BHO SA 1755 42 SCT 40 127/77/62/0307/990/ CU XCPT NE-E FEW CI DSNT SSW-SW LGT HZ VSBY NE-E 25 W-NW 55 WND 34V06/ 8/101 58005 10078 20068 WEATHER SUMMARY FOR TUESDAY JULY 06: TIMES: EASTERN DAYLIGHT TIME TEMPERATURE (DEGREES F) MAX.....79 NORMAL.....80 Hazen shelter: 78.5... @ 12:58 p.m. MIN.....65 NORMAL.....61 Hazen shelter: 65.0... @ 11:59 p.m.* MEAN....72 NORMAL.....71 *EASTERN STANDARD TIME DEPARTURE FROM 30-YEAR NORMAL...... + 1 TOTAL DEPARTURE FOR THE MONTH...... - 1 JULY IS AVERAGING 0.4 COOLER THAN NORMAL... PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........22 NW AT 1:16 p.m. AEROVANE.........25 NW AT 1:16 p.m. ASOS.............21 WNW AT 1:21 p.m. DAVIS............24 NW AT 1:20 p.m. MAXIMUM 2-MINUTE ASOS AVERAGE.......16 NW AT 1:21 p.m. OUR FASTEST MILE FOR YESTERDAY......16 MPH NW AT 1:11 p.m. OUR AVERAGE WIND SPEED/DIRECTION.... 7.5 WNW ASOS AVERAGE WIND SPEED............. 7.7 NW [310 deg ] DAVIS AVERAGE WIND SPEED/DIRECTION.. 7.8 NW [328 deg ] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M.... T DEPARTURE....- 0.12 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........2.28 DEPARTURE....+1.54 ASOS..............2.31 TOTAL PRECIPITATION FOR THE YEAR..........25.15 DEPARTURE....-1.26 ASOS.............23.57 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/.../.. 29 MPH S TSTM trace of small hail 7/2 83/59/71/+1/0.93/T/.../.. 45 MPH W TSTM trace of hail * 7/3 80/59/70/0/0/.../.. 21 MPH NNW 7/4 81/59/70/0/0/.../.. 23 MPH SSE 7/5 69/63/66/-5/1.29/000/00 33 MPH S 7/6 79/65/72/+1/T/.../.. 22 MPH NW 7/7 ...MORNING LOW 63 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 07 HIGH 97F IN 1908,1993 LOW 48F IN 1902 PRECIP 2.11 INCHES IN 1966 PEAK GUST 55 MPH NW IN 1989 RECORDS FOR JULY 08 HIGH 95F IN 1981 LOW 50F IN 1919 PRECIP 1.74 INCHES IN 1916 PEAK GUST 46e SSW IN 1941 RECORDS FOR JULY 09 HIGH 98F IN 1912 LOW 47F IN 1909 PRECIP 3.74 INS IN 1921 WIND 46 MPH NW IN 1992 RECORDS FOR JULY 10 HIGH 99F IN 1911 LOW 46F IN 1890 PRECIP 1.68 INS IN 1933 WIND 75 MPH W IN 1985 TODAY'S REPORT BY: Kim Jeffs/Robert Skilling