Wednesday, March 30, 2016
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, MARCH 30, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
GUSTY NW WINDS TUESDAY GIVE WAY TO CALM,
CLEAR WARM WEDNESDAY
Blustery conditions on Tuesday were aided by gusty NW winds
that averaged 22.2 MPH from midnight to midnight yesterday.
Winds peaked at 46 MPH from the WNW at 2:42 PM EST yesterday
afternoon with winds sustained for a time near 35 MPH.
Temperatures of Tuesday managed to reach a peak of 50F by
mid day, though felt much colder.
Clear skies this morning have given way to thin broken cirrus
high overhead. A maximum temperature of 55F was recorded at
this afternoon’s 1:00 PM EST observation with uniform
visibility of 75 miles in all directions.
Today’s Observations:
7 A.M.
Weather: Clear, few cirrus distant SSW-ENE
Temperature: 34F; Dew Point: 19F; Wind: WNW at 8 kts,
Sea-level pressure: 30.32 ins. Hg, rising, then more quickly
Visibility: 75 miles
6-hr Max temp: 34F
6-hr Min temp: 29F
24-hr precip: 0.00
BHO SA 1155 CLR 75 267/34/19/2908/032/ FEW CI DSNT SSW-ENE/
8/001 53022 10034 20029
10 A.M.
Weather: Thin scattered cirrus, few altocumulus distant NE-ESE
Temperature: 45F; Dew Point: 16F; Wind: estimated SSW at 4 kts,
Wind Speed and Direction: Light and Variable
Sea-level pressure: 30.32 ins. Hg, rising, then falling but higher
than 3 hrs ago
Visibility: 75 miles
BHO SA 1455 250 -SCT 75 269/45/16/E2104/032/ FEW AC DSNT NE-ESE
WND LGT AND VRB/ 8/031 50002
1 P.M.
Weather: Thin broken cirrus, few altocumulus distant NW
Temperature: 54F; Dew Point: 18F; Wind: SSW at 10G18 kts,
Sea-level pressure: 30.25 ins. Hg, falling, then more quickly
Visibility: 75 miles
6-hr Max temp: 55F
6-hr Min temp: 34F
BHO SA 1755 E250 -BKN 75 245/54/18/2110G18/025/ FEW AC DSNT NW/
8/031 58024 10055 20034
SUMMARY FOR TUESDAY, MARCH 29, 2016
TEMPERATURE (DEGREES F)
MAX…..50 NORMAL…..49
MIN…..34 NORMAL…..31
MEAN….42 NORMAL…..40
DEPARTURE FROM 30-YEAR NORMAL…………………….+2
TOTAL DEPARTURE FOR THE MONTH…………………..+161 [+5.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..23 DEPARTURE……….-2
TOTAL HEATING UNITS FOR THE MONTH………….705 DEPARTURE……..-161
TOTAL HEATING UNITS FOR THE SEASON………..4388 DEPARTURE…….-1047
TOTAL HEATING UNITS LAST SEASON TO DATE……5688 DIFFERENCE……-1300
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….46 WNW AT 2:42 P.M.
ASOS……………………47 NW AT 2:05 P.M.
DAVIS…………………..44 NNW AT 12:34 P.M. RMY 46
FASTEST MILE FOR YESTERDAY…………………35 NW AT 2:13 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………33 NW AT 2:26 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..32 NW AT 2:05 P.M.
AVERAGE WIND SPEED AND DIRECTION………….22.2 NW
ASOS………………….21.2
DAVIS…………………18.1 NW [308 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……-0.18
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.21 DEPARTURE……-2.02
ASOS…………..3.05
TOTAL PRECIPITATION FOR THE YEAR……….12.58 DEPARTURE……-1.07
ASOS………….13.01
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.3
TOTAL SNOWFALL FOR THE MONTH…………….4.4 DEPARTURE…….-7.8
TOTAL SNOWFALL FOR THE SEASON…………..42.5 DEPARTURE……-17.2
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 39/34/37/-1/…./0.0/…/.. 31 ENE AERO 33 ENE RMY 32
3/25 55/37/46/+8/…./…/…/.. 22 NNW AERO 22 NNW RMY 24
3/26 43/30/37/-2/0.00/0.0/…/.. 22 N AERO 24 N RMY N/A
3/27 46/30/38/-1/0.00/0.0/…/.. 23 SSE AERO 24 SSE RMY 22
3/28 43/35/39/+0/0.41/0.0/000/00 33 W AERO N/A RMY N/A
3/29 50/34/42/+2/0.00/0.0/…/.. 46 WNW AERO N/A RMY 46
3/30 low temp since midnight is 29F; normal now 31F
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 30
HIGH 83 IN 1977
LOW 10 IN 1887
PRECIP 2.92 INS. IN 2010
SNOWFALL 3.9 INS. IN 1957
PEAK GUST 60 MPH NW IN 1999
RECORDS FOR MARCH 31
HIGH 89 IN 1998 [RECORD HIGH FOR MONTH]
LOW 16 IN 1923
PRECIP 2.89 IN 1987
SNOWFALL 15.0 IN 1997
PEAK GUST 81 MPH SSE IN 1987
TODAY’S REPORT PREPARED BY: Brian Fitzgerald/Cece Borries-Strigle
