Thursday, March 26, 2015
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, MARCH 26, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME
RAIN SHOWERS MOVE THROUGH OVERNIGHT, WARMTH AND
FOG BEGIN TO EAT AWAY AT SNOWPACK
Rain which began after fall moderately after 7:00 PM EST
did not last for long, totaling 0.08 inches by midnight.
Dense fog began around at the same time as well, limiting
visibility to 1/16 of a mile, which kept temperatures steadily
climbing through the early morning hours.
The snowpack was down to 13 inches at the 7:00 AM EST observation
and will likely take quite a hit with increased chances for
rainfall this afternoon and continued fog and warmth. By the
1:00 PM EST observation visibility was poor at just 10 miles,
with thin fog and overcast stratus. A maximum of 53F had been
reached so far.
For more information about this historic winter, visit our
web site at bluehill.org.
BHO Greatest Seasonal Snowfall, inches (1885-2015):
1) 145.8 in 2014-2015 (through 1 PM March 26th)
2) 144.4 in 1995-1996
3) 136.0 in 1947-1948
4) 119.4 in 2004-2005
5) 113.1 in 2002-2003
6) 111.5 in 1915-1916
7) 109.6 in 1966-1967
8) 106.8 in 1955-1956
9) 103.4 in 1903-1904
10) 102.5 in 1922-1923
Today’s Observations:
7 A.M.
Weather: Dense fog
Temperature: 42F; Dew Point: 42F; Wind: SSW at 13 kts
Sea-level pressure: 29.96 ins. Hg, falling, then more quickly
Visibility: 1/16 of a mile, obscured by dense fog
6-hr Max temp: 42F
6-hr Min temp: 37F
24-hr precip: 0.08
24-hr snowfall: none
Snow depth: 13 inches
BHO SA 1155 W2 X 1/16F 146/42/42/2113/996/ 8//// 4/013 58011
ASOS 70008 MANUAL 70008 10042 20037
10 A.M.
Weather: Broken stratus, broken stratocumulus
Temperature: 45F; Dew Point: 43F; Wind: SW at 12 kts
Sea-level pressure: 29.94 ins. Hg, falling, then more quickly
Visibility: 9 miles, thin fog in all directions
BHO SA 1455 E3 BKN 8 BKN 9 138/45/43/2212/994/ THN FG ALQDS/
8/600 58006
1 P.M.
Weather: Broken stratus
Temperature: 50F; Dew Point: 40F; Wind: S at 11 kts
Sea-Level Pressure: 29.78 ins. Hg, falling, then more slowly
Visibility: 10 miles, thin fog in all directions
6-hr Max temp: 53F
6-hr Min temp: 42F
BHO SA 1755 E25 OVC 10 086/50/40/1911/978/ THN FG ALQDS/ 8/6//
56052 10053 20042
SUMMARY FOR WEDNESDAY, MARCH 25, 2015
TEMPERATURE (DEGREES F)
MAX…..48 NORMAL…..47
MIN…..25 NORMAL…..30
MEAN….37 NORMAL…..38
DEPARTURE FROM 30-YEAR NORMAL……………………….-1
TOTAL DEPARTURE FOR THE MONTH……………………..-103 [-4.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..28 DEPARTURE………..+1
TOTAL HEATING UNITS FOR THE MONTH………….866 DEPARTURE………+103
TOTAL HEATING UNITS FOR THE SEASON………..5574 DEPARTURE………+243
TOTAL HEATING UNITS LAST SEASON TO DATE……5331 DIFFERENCE……..+118
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………32 S AT 9:23 P.M.
ASOS…………………..31 S AT 9:25 P.M.
DAVIS………………….31 S AT 9:24 P.M. RMY 31
FASTEST MILE FOR YESTERDAY………………..26 S AT 9:23 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..24 S AT 9:38 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….23 S AT 4:42 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..12.4 S
ASOS…………………..13.0
DAVIS………………….10.9 SSW [207 degrees]
* Last of several occurrences…
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.08 DEPARTURE…..-0.11
ASOS…………..0.08
TOTAL PRECIPITATION FOR THE MONTH……….2.04 DEPARTURE…..-2.28
ASOS…………..N/A
TOTAL PRECIPITATION FOR THE YEAR……….13.38 DEPARTURE…..+0.77
ASOS…………..N/A ***
*** ASOS monthly and annual totals not available due to erroneous readings
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE MONTH…………….8.3 DEPARTURE……-2.7
TOTAL SNOWFALL FOR THE SEASON………….145.8 DEPARTURE…..+87.8
PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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 29/14/22/-9/…./…/000/00 25 SSW RMY 25
3/2 35/22/29/-2/…./…/480/71 44 WNW RMY 48
3/3 32/13/23/-9/…./2.8/340/50 33 S RMY N/A
3/4 41/32/37/+5/…./…/000/00 33 SW RMY 36
3/5 36/16/26/-6/0.02/0.2/000/00 28 NW RMY 29
3/6 26/5/16/-16/0.00/0.0/681/99 28 NW RMY 25
3/7 38/13/26/-7/0.00/0.0/567/82 30 WSW RMY 30
3/8 41/25/33/0/T/T/208/30 38 WNW RMY 41
3/9 45/28/37/+4/0.00/0.0/565/81 40 W RMY 39
3/10 52/32/42/+9/…./0.0/252/36 28 S RMY 27
3/11 55/38/47/+13/…./0.0/604/86 37 WNW RMY N/A
3/12 38/23/31/-3/0.00/0.0/677/96 44 N RMY 48
3/13 40/18/29/-5/0.00/0.0/581/82 23 SSW RMY 26
3/14 41/29/35/0/0.84/0.0/000/00 23 SSW RMY 23
3/15 41/24/33/-2/0.03/0.6/021/03 39 NW RMY 39
3/16 44/23/34/-1/0.00/0.0/516/72 28 NW RMY N/A
3/17 48/25/37/+1/0.17/T/173/24 53 NW RMY 63
3/18 30/19/25/-11/0.00/0.0/700/97 51 NW RMY 56
3/19 31/15/23/-13/0.00/0.0/696/96 37 NW RMY 39
3/20 32/19/26/-11/…./…/000/00 17 NNW RMY 15
3/21 41/25/33/-4/…./…/…/.. 36 WNW RMY N/A
3/22 36/17/27/-10/0.00/0.0/…/.. 50 W RMY 55
3/23 31/14/23/-15/0.00/0.0/…/.. 36 WNW RMY 35
3/24 39/16/28/-10/0.00/0.0/…/.. 20 NNW RMY N/A
3/25 48/25/37/-1/0.08/0.0/…/.. 32 S RMY 31
3/26 low since midnight is 35F normal low is 30F
DAILY RECORDS FOR MARCH 2015
-NONE SO FAR.
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: Brian Fitzgerald
