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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, MARCH 24, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
BACK DOOR COLD FRONT DROPS TEMPS 16 DEGREES IN ONE HOUR
YESTERDAY AFTERNOON- CHILLY TEMPS REMAIN TODAY
Light rain showers yesterday morning resulted in just 0.01 inches
of new rainfall, increasing this month’s deficit of 1.39 inches of
precipitation for March. Temperatures hit an unseasonably warm
level of 62F yesterday afternoon as well, before a cold front sent
the mercury tumbling to 40F in less than 3 hours.
Overnight temperatures remained suppressed in the 30s, with a minimum
reading this morning of 35F. Today’s daily normal minimum temperature
is 29F.
Skies have remained mostly cloudy to overcast this morning, and by
today’s 1:00 PM EST observation skies were overcast with stratocumulus
overhead. Temperatures since midnight this morning have only
fluctuated between 39F and 35F with wind chills in the 20s.
Today’s Observations:
7 A.M.
Weather: Broken stratocumulus, thin broken cirrostratus
Temperature: 36F; Dew Point: 22F; Wind: ENE at 16G22 kts
Peak Wind: 26 knots ENE at 6:00 AM EST
Sea-level pressure: 30.24 ins. Hg, rising, then more slowly
Visibility: 50 miles, thin fog and light distant haze
6-hr Max temp: 39F
6-hr Min temp: 35F
24-hr precip: 0.01 ins.
BHO SA 1155 E30 BKN 200 -BKN 50 241/36/22/0716G22/024/ THN FG ALQDS
LGT DSNT HZ ALQDS PK WND 0726/00/ 8/508 51014 ASOS 70002 MANUAL
70001 10039 20035
10 A.M.
Weather: Overcast stratocumulus
Temperature: 38F; Dew Point: 28F; Wind: E at 16G26 kts,
Peak Wind: 26 knots E at 9:51 AM EST
Sea-level pressure: 30.25 ins. Hg, rising, then falling but higher still
Visibility: 40 miles, thin fog, hazy
BHO SA 1455 E31 OVC 40 244/38/28/0816G26/025/ THN FG ALQDS HAZY
PK WND 0726/51/ 8/5// 50003
1 P.M.
Weather: Overcast stratocumulus
Temperature: 38F; Dew Point: 29F; Wind: E at 16G25 kts,
Sea-level pressure: 30.19 ins. Hg, falling, then more quickly
Visibility: 20 miles, thin fog
6-hr Max temp: 39F
6-hr Min temp: 36F
BHO SA 1755 E16 OVC 20 222/38/29/0816G25/019/ THN FG ALQDS/ 8/5///
58022 10039 20036
SUMMARY FOR WEDNESDAY, MARCH 23, 2016
TEMPERATURE (DEGREES F)
MAX…..62 NORMAL…..46
MIN…..39 NORMAL…..29
MEAN….51 NORMAL…..38
DEPARTURE FROM 30-YEAR NORMAL……………………+13
TOTAL DEPARTURE FOR THE MONTH…………………..+155 [+6.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..14 DEPARTURE………-13
TOTAL HEATING UNITS FOR THE MONTH………….554 DEPARTURE……..-155
TOTAL HEATING UNITS FOR THE SEASON………..4237 DEPARTURE…….-1040
TOTAL HEATING UNITS LAST SEASON TO DATE……5509 DIFFERENCE……-1272
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….35 NE AT 4:32 P.M.*
ASOS……………………37 NE AT 4:32 P.M.
DAVIS…………………..35 S AT 12:15 A.M. RMY 39
FASTEST MILE FOR YESTERDAY…………………28 SSW AT 12:49 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………26 SSW AT 12:48 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..25 SSW AT 12:48 A.M.
AVERAGE WIND SPEED AND DIRECTION………….13.5 ENE
ASOS………………….13.0
DAVIS…………………12.2 SSW [205 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.01 DEPARTURE……-0.19
ASOS…………..0.02
TOTAL PRECIPITATION FOR THE MONTH……….2.72 DEPARTURE……-1.39
ASOS…………..2.76
TOTAL PRECIPITATION FOR THE YEAR……….12.09 DEPARTURE……-0.44
ASOS………….12.72
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.4
TOTAL SNOWFALL FOR THE MONTH…………….4.4 DEPARTURE…….-6.0
TOTAL SNOWFALL FOR THE SEASON…………..42.5 DEPARTURE……-15.4
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 48/28/38/+1/…./…/…/.. 33 W AERO 37 W RMY 36
3/23 62/39/51/+13/0.01/0.0/…/.. 35 NE AERO 40 NE RMY 39
3/24 low temp since midnight is 35F; normal now 29F
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 24
HIGH 70 IN 1920
LOW 6 IN 1906
PRECIP 1.51 INS. IN 1956
SNOWFALL 12.3 INS. IN 1956
PEAK GUST 71 MPH W IN 1968
RECORDS FOR MARCH 25
HIGH 76 IN 1910
LOW 8 IN 1888, 1956
PRECIP 1.84 INS. IN 1909
SNOWFALL 1.0 INS. IN 1912
PEAK GUST 69 MPH SE IN 1969
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
