BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, MARCH 22, 2016 ALL TIMES ARE IN EASTERN STANDARD TIME SNOW STORM TOTAL OF 3.9 INS MELTS TO A TRACE BY TUESDAY TEMPS TRENDING TOWARD SEASONABLE CONDITIONS TODAY With the addition of 3.9 inches of snow from yesterday morning's snow storm, total snow for the month of March now reaches 4.4 inches, with a season total of 42.5 inches. The month of March is currently 5.3 inches below normal for snow, while the season sine July of 2015 is 14.7 inches below normal. Temperatures overnight dropped to a perfectly seasonable 28F by this morning, with the mercury slowly rising through the day. By today's 1:00 PM EST observation skies were nearly completely clear except for a few small cumulus and cirrus clouds in the distance. Temperatures had risen to a maximum of 43F so far with gusty westerly winds. Today's Observations: 7 A.M. Weather: Clear, few stratocumulus WSW-SSW Temperature: 31F; Dew Point: 17F; Wind: W at 11 kts Sea-level pressure: 30.05 ins. Hg, rising, then more quickly Visibility: 75 miles 6-hr Max temp: 31F 6-hr Min temp: 28F 24-hr snowfall: 0.7 ins. 24-hr precip: 0.04 ins. snow depth: Trace BHO SA 1155 CLR 75 177/31/17/2811/005/ FEW SC WSW-SSW NEW SNW PST 24 HRS 0.7 INS/ 8/500 53029 ASOS 70005 MANUAL 70004 10031 20028 10 A.M. Weather: Clear, few small cumulus in all directions Temperature: 37F; Dew Point: 15F; Wind: W at 16G24 kts, Peak Wind: 29 knots W at 9:08 AM EST Sea-level pressure: 30.09 ins. Hg, rising, then more slowly Visibility: 75 miles BHO SA 1455 CLR 75 189/37/15/2716G24/009/ FEW SML CU ALQDS PK WND 2729/08/ 8/100 51012 1 P.M. Weather: Clear, small cumlus distant S-N, few cirrus distant SSE-SW Temperature: 43F; Dew Point: 14F; Wind: W at 17G26 kts, Peak Wind: 26 knots W at 12:53 PM EST Sea-level pressure: 30.05 ins. Hg, rising, then falling and lower Visibility: 75 miles 6-hr Max temp: 43F 6-hr Min temp: 31F BHO SA 1755 CLR 75 175/43/14/2617G26/005/ FEW SML CU DSNT S-N FEW CI DSNT SSE-SW PK WND 2626/53/ 8/101 58014 10043 20031 SUMMARY FOR MONDAY, MARCH 21, 2016 TEMPERATURE (DEGREES F) MAX.....41 NORMAL.....46 MIN.....26 NORMAL.....28 MEAN....34 NORMAL.....37 DEPARTURE FROM 30-YEAR NORMAL.........................-3 TOTAL DEPARTURE FOR THE MONTH.......................+141 [+6.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............31 DEPARTURE..........+3 TOTAL HEATING UNITS FOR THE MONTH.............513 DEPARTURE........-141 TOTAL HEATING UNITS FOR THE SEASON...........4196 DEPARTURE.......-1026 TOTAL HEATING UNITS LAST SEASON TO DATE......5429 DIFFERENCE......-1233 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................30 WNW AT 7:28 P.M. ASOS........................30 WNW AT 7:29 P.M. DAVIS.......................30 WNW AT 7:28 P.M. RMY 32 FASTEST MILE FOR YESTERDAY.....................23 WNW AT 7:33 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................21 WNW AT 7:31 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................20 WNW AT 7:30 P.M. AVERAGE WIND SPEED AND DIRECTION.............10.8 WNW ASOS......................10.1 DAVIS.....................9.2 NW [316 Deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.04 DEPARTURE......-0.16 ASOS..............0.05 TOTAL PRECIPITATION FOR THE MONTH..........2.71 DEPARTURE......-1.01 ASOS..............2.74 TOTAL PRECIPITATION FOR THE YEAR..........12.08 DEPARTURE......-0.06 ASOS.............12.70 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.7 DEPARTURE.......+0.4 TOTAL SNOWFALL FOR THE MONTH................4.4 DEPARTURE.......-5.3 TOTAL SNOWFALL FOR THE SEASON..............42.5 DEPARTURE......-14.7 PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/ AERO/RMY GUST AERO: Aerovane wind recording system gust RMY: R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 3/1 45/30/38/+7/0.00/0.0/602/89 54 W AERO 60 W RMY 53 3/2 52/21/37/+6/0.41/0.0/204/30 44 WNW AERP 47 NW RMY 42 3/3 34/16/25/-7/0.00/0.0/641/94 30 WNW AERO 36 WNW RMY N/A 3/4 30/24/27/-5/..../.../000/00 32 N AERO 38 N RMY 34 3/5 35/20/28/-4/0.00/0.0/536/78 31 N AERO 36 N RMY N/A 3/6 40/25/33/+1/0.00/0.0/593/86 21 SSE AERO 21 SSE RMY N/A 3/7 49/29/39/+6/0.00/0.0/173/25 43 SSW AERO 48 SSW RMY 45 3/8 55/35/45/+12/0.00/0.0/647/93 23 S AERO 24 S RMY N/A 3/9 75/38/57/+24/0.00/0.0/594/85 32 S AERO 36 S RMY 33 3/10 64/50/57/+24/..../0.0/000/00 31 NNW AERO 38 NNW RMY 32 3/11 56/38/47/+13/T/0.0/331/47 28 NNW AERO 36 NNW RMY 29 3/12 58/31/45/+11/0.00/0.0/650/92 30 SW AERO 33 SW RMY 30 3/13 63/46/55/+21/0.00/0.0/.../.. 32 NW AERO 35 NW RMY 30 3/14 46/36/41/+6/..../T/000/00 32 E AERO 33 E RMY N/A 3/15 45/39/42/+7/..../0.0/000/00 36 ENE AERO 38 ENE RMY 34 3/16 48/39/44/+9/..../0.0/.../.. 25 E AERO 28 E RMY N/A 3/17 63/40/52/+16/..../0.0/.../.. 44 NW AERO 48 NW RMY 45 3/18 51/33/42/+6/0.01/0.0/.../.. 43 WNW AERO 45 WNW RMY 43 3/19 44/25/35/-1/0.00/0.0/.../.. 25 NNW AERO 28 NNW RMY 26 3/20 35/23/29/-8/..../.../.../.. 25 NE AERO 28 NE RMY 25 3/21 41/26/34/-3/..../.../.../.. 30 WNW AERO 33 WNW RMY 32 3/22 low temp since midnight is 28F; normal now 28F DAILY RECORDS FOR MARCH 2016 ***3/9/16: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 75F, BREAKS PREVIOUS RECORD OF 71F SET BACK IN 2000.*** ***3/10/16: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 50F, BREAKS PREVIOUS RECORD OF 42F SET AND TIED IN 1977, 2006*** DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MARCH 22 HIGH 81 IN 2012 LOW 3 IN 1885 PRE 3.48 INS. IN 2001 SNOW 8.7 INS. 1967 WIND 84e MPH E IN 1977 RECORDS FOR MARCH 23 HIGH 78 IN 1938 LOW 3 IN 1934 PRE 2.52 INS. IN 2010 SNOW 3.0 INS. IN 1977 WIND 78e MPH W IN 1940 TODAY'S REPORT PREPARED BY: Brian Fitzgerald