BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, MARCH 23, 2004 ALL TIMES ARE IN EASTERN STANDARD TIME TODAY'S DISCUSSION....1:00 P.M. By: Robert Skilling TODAY'S SCHEDULED OBSERVATIONS.... 3/23/2004 TUE BHO SA 1155 250 -SCT 50 298/18/5/2309/041/ FEW CC/ 8/001 51014 10018 20015 7 a.m. high thin scattered cirrus clouds with 50 miles visibility and 18 deg; dewpoint 5 deg; wind sw at 10 mph; six hour minimum temp. 15 deg. total average snow depth on the ground 2 inches 10 a.m. high thin scattered cirrus clouds with 50 miles visibility and 29 deg; dewpoint 7 deg; wind sw at 13 gusting 23 mph.... BHO SA 1455 300 -SCT 50 293/29/7/2211G20/040/ WND 19V28/ 8/001 58005 1 p.m. high thin scattered clouds and visibility 50 miles with light haze; temp. 36; dewpoint 7; wind sw at 18 gusting 28 mph; six hour maximum temp. 36 deg; six hour minimum temp. 18 degrees... BHO SA 1755 220 SCT 250 -SCT 300 -SCT 50 261/36/8/2216G24/030/ FEW SML CU DSNT W-N LWR CI W-NW PK WND 2227/33/ WND 1V27/ 8/101 58032 10036 20018 OUR WEATHER SUMMARY FOR MONDAY MARCH 22 TEMPERATURE (DEGREES F) MAX.....30 NORMAL.....47 HAZEN SHELTER: 29.8 @ 1:25 P.M. MIN.... 18 NORMAL.....30 HAZEN SHELTER: 17.5 @ 11:56 P.M. MEAN....24 NORMAL.....38 DEPARTURE FROM 30-YEAR NORMAL.....-14 TOTAL DEPARTURE MARCH TO DATE....+15 MARCH IS AVERAGING 0.5 DEGREES WARMER THAN NORMAL DAILY... ASOS MAX/MIN FOR 3/21: 29/18 // TIMES: 1:28 P.M. AND 11:59 P.M. HEATING DEGREE DAYS TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......41 DEPARTURE.....+14 TOTAL HEATING DEGREE DAYS FOR MARCH..........647 DEPARTURE.....-15 TOTAL HEATING DEGREE DAYS FOR THE SEASON....5273 DEPARTURE.....+37 TOTAL HEATING DEGREE DAYS FOR LAST SEASON...5622 DIFFERENCE...-349 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........38 W AT 12:34 P.M. AEROVANE.........43 W AT 12:34 P.M. ASOS.............36 WNW AT 1:18 A.M. FASTEST MILE FOR YESTERDAY..........29 WNW AT 2:08 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......29 WNW AT 2:09 P.M. AVERAGE WIND SPEED/DIRECTION........17.3 MPH WNW AVERAGE ASOS WIND FOR YESTERDAY ....16.9 MPH PRECIPITATION (INCHES) UPDATED MARCH 23 TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 ASOS..............0.00 TOTAL PRECIPITATION FOR MARCH..............2.97 DEPARTURE FOR MARCH TO DATE...............-0.43 TOTAL ASOS PRECIPITATION FOR MARCH.........2.42 TOTAL PRECIPITATION FOR 2004...............6.45 DEPARTURE....-5.79 TOTAL ASOS PRECIPITATION FOR 2004..........5.41 SNOWFALL (INCHES) TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M......0.0 TOTAL SNOWFALL FOR MARCH...................15.8 DEPARTURE..... +7.3 TOTAL SNOWFALL THIS SEASON.................57.5 DEPARTURE......+7.2 PRELIMINARY CLIMATE SUMMARY FOR MARCH 2004......CALENDAR DAY DATA FEBRUARY 2004 DAILY 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 3/1 55/38/47/+15/0/0/588/87 27 MPH S 3/2 63/37/50/+18/0.04/0/298/44 50 MPH W Aerovane 50 MPH W 3/3 53/37/45/+13/0/0/592/87 46 MPH WNW Aerovane 51 MPH WNW 3/4 48/35/42/+9/0.07/0/000/00 22 MPH WSW 3/5 45/38/42/+9/0.02/0/000/00 31 MPH SSE 3/6 57/36/47/+14/0.26/0/028/04 53 MPH W Aerovane 55 MPH WNW 3/7 46/32/39/+6/0/0/658/95 43 MPH W 3/8 33/26/30/-4/0.50/3.5/000/00 31 MPH NE 3/9 31/26/29/-5/0.01/0.2/000/00 15 MPH SSE 3/10 39/27/33/-1/0/0/294/42 40 MPH NE 3/11 44/29/37/+2/0/0/113/16 38 MPH N 3/12 46/27/37/+2/0.10/0.8/156/22 51 MPH W 3/13 40/25/33/-2/0/0/682/96 40 MPH WNW Aerovane 43 MPH NW 3/14 40/21/31/-5/0/0/357/50 35 MPH S 3/15 50/32/41/+5/T/T/630/88 43 MPH W Aerovane 43 MPH W 3/16 35/24/30/-6/0.76/5.2/043/06 46 MPH NE 3/17 27/21/24/-13/0.45/4.0/000/00 47 MPH NE Aerovane 46 MPH NE 3/18 30/22/26/-11/0.18/2.0/138/19 27 MPH NNE 3/19 32/22/27/-10/0.01/0.1/015/02 35 MPH ENE 3/20 41/22/32/-6/0.25/T/409/56 37 MPH S 3/21 47/26/37/-1/0.32/0/154/21 47 MPH W Aerovane 48 MPH W 3/22 30/18/24/-14/0/0/714/97 38 MPH W Aerovane 43 MPH W 3/23 morning low temp. 15 deg; normal 30... There is JUST ONE NEW DAILY RECORD FOR MARCH 2004; record high max. temp. of 63 on March 02, the previous record was 61 in 1991. RECORDS FOR MARCH 23 HIGH 78 IN 1938 LOW 3 IN 1934 PRE 1.58 INS IN 1903 SNOW 3.0 INS IN 1977 WIND 78e MPH W IN 1940 RECORDS FOR MARCH 24 HIGH 70 DEGREES IN 1920 LOW 6 DEGREES IN 1906 PRECIP 1.51 INCHES IN 1956 SNOWFALL 12.3 INCHES IN 1956 PEAK GUST 71 MPH W IN 1968 RECORDS FOR MARCH 25 HIGH 76 IN 1910 LOW 08 IN 1888,1956 PRECIP 1.84 INCHES IN 1909 SNOWFALL 1.0 INCHES IN 1912 PEAK GUST 69 MPH SE IN 1969 TODAY'S REPORT BY: Robert Skilling