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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, MARCH 29, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
RAIN ENDS LATE MONDAY, TOTALING 0.41 INCHES
GUSTY WINDS AND MODERATING TEMPERATURES TUESDAY
Steady rain that fell during daylight hours yesterday never
fell heavily, but did manage to total 0.41 inches over several
hours. Thick fog and rain came to an end by 4:35 PM EST.
Gusty winds picked up overnight, exceeding 40 MPH throughout
this morning and early afternoon. A peak gust of 44 MPH from
the NW was recorded this morning at 11:02 AM EST.
By today’s 1:00 PM EST observation skies were partly cloudy
with scattered layers of stratocumulus and departing cirrus
distant to the north. Temperatures had reached a maximum reading
of 50F so far.
Today’s Observations:
7 A.M.
Weather: Broken stratocumulus
Temperature: 40F; Dew Point: 30F; Wind: WNW at 19G33 kts,
Peak Wind: 33 kts WNW at 6:51 AM EST
Sea-level pressure: 29.62 ins. Hg, rising, then more quickly
Visibility: 80 miles
6-hr Max temp: 42F
6-hr Min temp: 38F
24-hr precip: 0.41
BHO SA 1155 E36 BKN 80 031/40/30/3019G33/962/ PK WND 3033/51/
8/500 53042 ASOS 7//// MANUAL 70041 10042 20038
10 A.M.
Weather: Scattered stratocumulus, thin broken cirrus
Temperature: 45F; Dew Point: 29F; Wind: WNW at 18G37 kts,
Peak Wind: 37 kts WNW at 9:53 AM EST
Sea-level pressure: 29.71 ins. Hg, rising, then more slowly
Visibility: 80 miles
BHO SA 1455 40 SCT E200 -BKN 80 060/45/29/3018G37/971/
PK WND 3037/53/ 8/502 51029
1 P.M.
Weather: Scattered stratocumulus, scattered cirrus
Temperature: 50F; Dew Point: 27F; Wind: NW at 21G31 kts,
Peak Wind: 37 knots WNW at 12:34 PM EST
Sea-level pressure: 29.75 ins. Hg, rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 50F
6-hr Min temp: 40F
BHO SA 1755 40 SCT 200 SCT 80 076/50/27/3121G31/975/
PK WND 3037/34/ 8/501 51016 10050 20040
SUMMARY FOR MONDAY, MARCH 28, 2016
TEMPERATURE (DEGREES F)
MAX…..43 NORMAL…..48
MIN…..35 NORMAL…..31
MEAN….39 NORMAL…..39
DEPARTURE FROM 30-YEAR NORMAL……………………..0
TOTAL DEPARTURE FOR THE MONTH…………………..+159 [+5.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..26 DEPARTURE……….+0
TOTAL HEATING UNITS FOR THE MONTH………….682 DEPARTURE……..-159
TOTAL HEATING UNITS FOR THE SEASON………..4365 DEPARTURE…….-1044
TOTAL HEATING UNITS LAST SEASON TO DATE……5654 DIFFERENCE……-1289
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….33 W AT 10:57 P.M.
ASOS……………………35 W AT 10:52 P.M.
DAVIS…………………..34 WSW AT 10:52 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY…………………26 W AT 11:04 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………26 W AT 10:25 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..24 W AT 10:53 P.M.
AVERAGE WIND SPEED AND DIRECTION………….11.2 E
ASOS………………….11.1
DAVIS…………………10.0 NE [046 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.41 DEPARTURE……+0.23
ASOS…………..0.25*
TOTAL PRECIPITATION FOR THE MONTH……….3.21 DEPARTURE……-1.84
ASOS…………..3.05
TOTAL PRECIPITATION FOR THE YEAR……….12.58 DEPARTURE……-0.89
ASOS………….13.01
*ERRONEOUS TOTAL DUE TO ASOS MAINTENANCE
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…….-7.5
TOTAL SNOWFALL FOR THE SEASON…………..42.5 DEPARTURE……-16.9
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 low temp since midnight is 38F; 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 29
HIGH 85 IN 1945
LOW -2 IN 1923
PRECIP 2.78 INS. IN 1984
SNOWFALL 13.5 INS. IN 1984
PEAK GUST 95 MPH ENE IN 1984
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
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
