BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, FEBRUARY 29, 2004 ALL TIMES ARE IN EASTERN STANDARD TIME Today's observations: 7 AM BHO SA 1155 90 BKN 130 SCT 200 -OVC 45 224/33/20/2611/019/ FEW ACSL ALQDS CLR OVHD/ 8/071 58004 10037 20033 METAR KBHO 291155Z 27011KT 45SM BKN90 SCT130 SCT200 01/M07 A3019 RMK SLP224 8/071 T00061067 10028 21003 58001 10 AM BHO SA 1455 130 BKN 200 OVC 50 222/43/17/2709/019/ FEW ACSL S FEW BINOVC ALQDS/ 8/078 58002 METAR KBHO 291455Z 27009KT 50SM BKN130 BKN150 OVC200 06/M08 A3019 RMK SLP222 8/078 T00631083 58022 1 PM BHO SA 1755 200 -BKN 250 -OVC 40 020/50/15/2913/012/ FEW ACSL ALQDS/ 8/071 56022 10050 20033 METAR KBHO 291755Z 29013KT 40SM FEW150 BKN200 OVC250 10/M09 A3012 RMK SLP020 8/071 T00971094 56022 10107 20006 WEATHER SUMMARY FOR SATURDAY, FEBRUARY 28: TEMPERATURE (DEGREES F) MAX.....51 NORMAL.....39 ASOS.....51 AT 2:56 PM MIN.....27 NORMAL.....23 ASOS.....27 AT 6:53 AM MEAN....39 NORMAL.....31 DEPARTURE FROM 30-YEAR NORMAL......+8 TOTAL DEPARTURE FOR THE MONTH.....+28 (+1.0 DEGREES/DAY) HEATING DEGREE DAYS TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......26 DEPARTURE.....-8 TOTAL HEATING DEGREE DAYS FOR THE MONTH.....1000 DEPARTURE....-34 TOTAL HEATING DEGREE DAYS FOR THE SEASON....4603 DEPARTURE....+33 TOTAL HEATING DEGREE DAYS FOR LAST SEASON...4860 DIFFERENCE..-283 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........32 WNW AT 3:36 P.M. AEROVANE.........35 WNW AT 3:35 P.M. ASOS.............31 NW AT 3:35 P.M. FASTEST MILE FOR YESTERDAY..........25 WNW AT 4:02 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......23 NW AT 4:04 P.M. AVERAGE WIND SPEED AND DIRECTION..13.2 WNW ASOS...........12.9 PRECIPITATION (INCHES) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.15 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........1.76 DEPARTURE....-2.30 ASOS..............1.59 TOTAL PRECIPITATION FOR THE YEAR...........3.48 DEPARTURE....-5.36 ASOS..............2.99 SNOWFALL (INCHES) TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M......0.0 DEPARTURE....-0.4 TOTAL SNOWFALL FOR THE MONTH................3.0 DEPARTURE....-9.3 TOTAL SNOWFALL FOR THE SEASON..............41.7 DEPARTURE....-0.1 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY, 2004......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 2/1 31/09/20/-06/ 0/ 0/599/100 33 NW Aerovane 38 MPH NW 2/2 37/18/28/+02/ 0/ 0/578/96 21 NNW 2/3 42/25/34/+08/0.51/0.2/000/00 47 SSE Aerovane 49 MPH SSE 2/4 42/24/33/+07/ T/ 0/564/93 46 W Aerovane 47 MPH W 2/5 34/21/28/+01/ 0/ 0/451/74 33 WNW 2/6 33/24/29/+02/1.08/2.3/000/00 28 SSE 2/7 39/24/32/+05/0.12/ T/092/15 37 WNW 2/8 24/12/18/-09/ 0/ 0/616/100 59 WNW Aerovane 62 MPH WNW 2/9 41/20/31/+04/ 0/ 0/279/45 47 SSW Aerovane 48 MPH SSW 2/10 44/32/38/+11/ 0/ 0/546/88 31 WSW 2/11 35/21/28/+01/ 0/ 0/618/99 46 W Aerovane 46 MPH W 2/12 35/16/26/-02/ 0/ 0/294/47 25 SW 2/13 38/26/32/+04/ 0/ 0/535/85 37 W 2/14 40/28/34/+06/ 0/ 0/581/92 32 W 2/15 29/09/19/-09/ T/ T/583/92 39 NW Aerovane 40 MPH NW 2/16 27/08/18/-10/ 0/ 0/631/99 20 NNW 2/17 29/11/20/-09/ 0/ 0/346/54 21 SE 2/18 29/24/27/-02/0.03/0.5/006/01 35 N Aerovane 37 MPH N 2/19 39/20/30/+01/ 0/ 0/632/98 38 NW Aerovane 44 MPH NW 2/20 43/23/33/+04/ T/ T/428/66 18 WNW 2/21 39/29/34/+05/0.02/ T/000/00 27 E Aerovane 30 MPH E 2/22 39/29/34/+04/ 0/ 0/000/00 33 WNW Aerovane 37 MPH NW 2/23 42/24/33/+03/ 0/ 0/649/99 29 NW Aerovane 34 MPH NW 2/24 35/22/29/-01/ 0/ 0/053/08 24 NW 2/25 39/19/29/-02/ 0/ 0/662/100 32 NNW Aerovane 34 MPH NNW 2/26 41/22/32/+01/ 0/ 0/.../... 2/27 44/20/32/+01/ 0/ 0/.../... 2/28 51/27/39/-08/ 0/ 0/.../... 32 WNW DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR FEBRUARY 29 HIGH 56F IN 1976 LOW 4F IN 1992 PRECIP 0.64 INCHES IN 1968 SNOWFALL 3.5 INCHES IN 1968 PEAK GUST 60 MPH NE IN 1968 RECORDS FOR MARCH 1 HIGH 62F IN 1972 LOW -3F IN 1886 PRECIP 1.65 INCHES IN 1900 SNOWFALL 9.4 INCHES IN 1949 PEAK GUST 78 MPH WSW IN 1966 TODAYS REPORT BY: Andy Hoell