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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, MARCH 26, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
COLD AND CLOUDY START TO THE WEEKEND
After a very brief warm up yesterday, temperatures settled down
into the mid 30’s and have struggled to rise this morning as
cloudy conditions prevail.
A light haze has dissipated this morning as the sun attempts to
break through with thin spots beginning to grow in the overcast.
As of the 1 o’clock observation, the cloud cover was beginning to
thin and the sun was dimly visible through the clouds. Temperatures
had warmed up to around 40 degrees but remain below normal for the
day at this time.
Today’s Observations:
7 A.M.
Weather: Overcast Stratus, Few Cumulus NE-NNE and SE distant
offshore, light distant haze
Temperature: 36F; Dew Point: 29F; Wind: estimated NNW at 8 kts
Sea-level pressure: 30.29 ins. Hg, rising then more rapidly
Visibility: 60 mi
6-hr Max temp: 41F
6-hr Min temp: 35F
24-hr precip: 0.04 ins.
BHO SA 1155 E37 OVC 60 256/36/29/3408/029/ FEW CU NE-NNE AND SE DSNT
OFFSHR LGT DSNT HZ/ 8/6/// 53036 ASOS 70003 MANUAL 70004 10041 20035
10 A.M.
Weather: Thin Overcast Stratocumulus
Temperature: 39F; Dew Point: 31F; Wind: N at 7 kts,
Sea-level pressure: 30.36 ins. Hg, rising then more slowly
Visibility: 70 mi
BHO SA 1455 E37 -OVC 70 280/39/31/0707/036/ THN SPTS IN OVC NNE-NE
8/5/// 51024
1 P.M.
Weather: Thin overcast stratocumulus with the sun dimly visible,
Few Cumulus Fractus
Temperature: 40F; Dew Point: 29F; Wind: N at 9 kts,
Sea-level pressure: 30.38 ins. Hg, rising then more slowly
Visibility: 70 mi
6-hr Max temp: 40F
6-hr Min temp: 36F
6-hr precip: 0.00 ins.
BHO SA 1755 E30 OVC 70 289/40/29/0809/038/ FEW CU FRAC THN SPTS IN
OVC BRKS IN OVC SUN DMLY VSBL/ 8/5/// 51009 10040 20036
SUMMARY FOR FRIDAY, MARCH 25, 2016
TEMPERATURE (DEGREES F)
MAX…..55 NORMAL…..47
MIN…..37 NORMAL…..30
MEAN….46 NORMAL…..38
DEPARTURE FROM 30-YEAR NORMAL…………………….+8
TOTAL DEPARTURE FOR THE MONTH…………………..+162 [+6.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..19 DEPARTURE……….-8
TOTAL HEATING UNITS FOR THE MONTH………….601 DEPARTURE……..-162
TOTAL HEATING UNITS FOR THE SEASON………..4284 DEPARTURE…….-1041
TOTAL HEATING UNITS LAST SEASON TO DATE……5574 DIFFERENCE……-1290
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….22 NNW AT 5:22 P.M.
ASOS……………………24 N AT 11:05 P.M.
DAVIS…………………..22 N AT 11:30 P.M. RMY 24
FASTEST MILE FOR YESTERDAY…………………18 NNW AT 5:22 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………18 N AT 5:22 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..17 NNW AT 5:04 P.M.
AVERAGE WIND SPEED AND DIRECTION………….8.3 NNW
ASOS………………….9.1
DAVIS…………………7.4 NE [036 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.04 DEPARTURE……-0.15
ASOS…………..0.03
TOTAL PRECIPITATION FOR THE MONTH……….2.80 DEPARTURE……-1.73
ASOS…………..2.80
TOTAL PRECIPITATION FOR THE YEAR……….12.17 DEPARTURE……-0.74
ASOS………….12.76
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…….-6.6
TOTAL SNOWFALL FOR THE SEASON…………..42.5 DEPARTURE……-16.0
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/+8/19/0.04/0.0/…/.. 22 NNW AERO 22 NNW RMY 24
3/26 low temp since midnight is 35F; normal now 30F
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 26
HIGH 76 IN 1922, 1949
LOW 6 IN 1960
PRECIP 1.99 INS. IN 1988
SNOWFALL 5.4 INS. IN 2001
PEAK GUST 63 MPH S IN 1970
RECORDS FOR MARCH 27
HIGH 78 IN 1998
LOW 12 IN 1975
PRECIP 1.05 INS. IN 1913
SNOWFALL 6.6 INS. IN 1959
PEAK GUST 62 MPH NW IN 1965, SE IN 1992
TODAY’S REPORT PREPARED BY: Robert Millette
