BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY DECEMBER 9, 2004 WEST WIND GUSTS TO 58 MPH EARLY YESTERDAY AFTERNOON DECEMBER TEMPS. CONTINUE WELL ABOVE NORMAL NOW BY 3 DEGREES West winds gusted past 50 MPH yesterday afternoon with a peak of 58 MPH on the Aerovane system, 55 MPH on 420C system and 49 MPH on ASOS. The overnight low temp. this morning of 32 was 6 degrees warmer than normal after yesterday's mean of 43 which was ten degrees warmer than normal. TODAY'S OBSERVATIONS 7 a.m. high overcast with 40 miles visibility and 32 degrees; dewpoint 28; wind wnw at 09 mph; six hourly min. temp. 32 deg. BHO SA 1155 180 SCT 250 -OVC 40 222/32/28/2908/019/ 8/017 51018 10037 20032 10 a.m. high overcast with 40 miles visibility and 38 deg; dewpoint 28; wind nw at 07 mph.... BHO SA 1455 E250 OVC 40 234/38/28//3106/022/ FEW AC NW-NE OVC PTLY THN OVHD-S-SW/ 8/037 53012 1 p.m. high overcast with halo around the sun and 35 to 45 miles visibility; temp. 40; dewpoint 26; wind n at 04 mph; six hourly max. temp. 41 deg. BHO SA 1755 E220 OVC 35 221/40/26/3603/018/ FEW AC DSNT SSE-S AND FEW THN SPTS IOVC DSNT SSE-S SUN DMLY VSB HALO VSBY WNW 45/ 8/047 56013 10041 20032 WEATHER SUMMARY FOR WEDNESDAY DECEMBER 08: TEMPERATURE (DEGREES F) MAX.....52 NORMAL.....41 MIN.....34 NORMAL.....26 MEAN....43 NORMAL.....33 DEPARTURE FROM 30-YEAR NORMAL.....+ 10 TOTAL DEPARTURE FOR THE MONTH.....+ 28 (3.3 degrees/day) PEAK WIND GUST FOR YESTERDAY........55 WW AT 2:05 P.M. AEROVANE.........58 W AT 2:05 P.M. ASOS.............49 W AT 2:05 P.M. DAVIS............49 WSW AT 12:34 P.M. FASTEST MILE FOR YESTERDAY.......... HIGHEST ASOS 2 MIN AV..............39 W AT 2:14 P.M. HIGHEST ONE MIN. WIND FOR DAVIS ....41 W AT 2:15 P.M. AVERAGE WIND SPEED AND DIRECTION.. AVERAGE WIND SPEED FOR ASOS..........17.9 WSW 250 deg AVERAGE WIND FOR THE DAVIS SYSTEM....18.4 W 270 deg. PRECIPITATION (INCHES) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.15 ASOS..............0.01 reported during fair weather TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0 TOTAL SNOWFALL THIS MONTH TO DATE...........0.2 TOTAL PRECIPITATION FOR THE MONTH..........2.35 DEPARTURE....+1.15 ASOS..............2.38 TOTAL PRECIPITATION FOR THE YEAR..........51.33 DEPARTURE....+3.47 ASOS.............49.70 PRELIMINARY CLIMATE SUMMARY FOR DECEMBER 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST ... SUNSHINE DATA NOT YET AVAILABLE 12/1 55/39/47/+11/0.80/0/073/13 62 MPH SE Aero 65 MPH SSE 12/2 46/36/41/+5/0/0/379/68 50 MPH W Aero 51 MPH W 12/3 45/32/39/+4/0/0/378/68 33 MPH W 12/4 39/25/32/-3/0/0/500/90 31 MPH SSW 12/5 50/26/38/+3/0/0/532/96 46 MPH W Aero 51 MPH W 12/6 33/20/27/-7/0.03/0.2/000/00 22 MPH NE 12/7 45/32/39/+5/1.48/0/000/00 37 MPH ENE 12/8 52/34/43/+10/0.04/0/.../.. 55 MPH W Aero 58 MPH W 12/9 morning low temp. 32 deg; normal now 26 OUR DAILY EXTREMES.... Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR DECEMBER 09 HIGH 68 IN 1966 LOW -14 IN 1902 PRECIP 1.52 INS. IN 1956 SNOWFALL 6.0 INS. IN 2001 PEAK GUST 66 SE IN 1973 RECORDS FOR DECEMBER 10 HIGH 62 IN 1946 LOW - 06 IN 1902 PRECIP 1.67 INS. IN 1907 SNOWFALL 6.0 INS. IN 1905 PEAK GUST 66e SW IN 1940 Today's report by: Robert Skilling