Sunday, March 22, 2015
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, MARCH 22, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME
AFTER SETTING THE NEW SEASONAL SNOWFALL RECORD WITH
145.8 INCHES OF SNOW THIS SEASON, BITTERLY COLD
TEMPERATURES HAVE COME BACK TO THE REGION WITH WINDS
GUSTING ABOVE 60 MPH.
Skies were clear with a few clouds in the distance at the
7 AM EST Observation this morning. Cold temperatures have
returned to the region with lows in the 20’s and high’s
struggling to reach the 30’s today despite sunny conditions.
Winds, which had been very calm yesterday, have increased
rapidly throughout the day with gusts reaching as high as
60 MPH. Snow depth remains at 16 inches on the ground.
Yesterday’s survey of snow depth averaged at 17 inches with
depths that ranged from 12 to 22 inches around the summit.
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 22nd)
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: Clear, Few Stratocumulus, distant Southwest to Southeast
Temperature: 22F; Dew Point: 8F; Wind: WNW at 15G24 kts
Sea-level pressure: 29.93 ins. Hg, rising then rising more slowly
Visibility: 60 miles light distant haze all quadrants
6-hr Max temp: 34F
6-hr Min temp: 22F
24-hr precip: 0.09 inches
24-hr snowfall: 0.7 inches
Snow depth: 16 inches
BHO SA 1155 CLR 60 135/22/8/2915G24/993/ FEW SC DSMT SE=SW
LGT DSNT HZ ALQDS PK WND 3136/11/ TOTAL NEW SNW PST 24 HRS
0.7 IN STORM TOTAL 1.8 INS/ 8/500 51039 MANUAL 70009 ASOS 70009
10034 20022
10 A.M.
Weather: Clear Few Cumulus Fractus and Cumulus forming
Temperature: 26F; Dew Point: 9F; Wind: WNW at 22G36 kts
Sea-level pressure: 29.92 ins. Hg, rising then falling slightly
Visibility: 60 miles Distant Haze All Quadrants
BHO SA 1455 CLR 60 137/26/9/2922G36/992/ FEW CUFRA/CU FRMG
LGT DSNT HZ PK WND 3036/54/ 8/100 50002
1 P.M.
Weather: Clear, Few Cumulus Fractus Cumulus overhead-Southwest
Temperature: 30F; Dew Point: 9F; Wind: W at 19G29 kts,
Peak Wind: 41 KTS from WNW at 1201 PM EST
Sea-Level Pressure: 29.92 ins. Hg, decreasing then increasing slightly
lower than 3 hours ago
Visibility: 70 miles Light distant haze all quadrants
6-hr Max temp: 30F
6-hr Min temp: 22F
BHO SA 1755 CLR 70 134/30/9/2819G29/992/ FEW CU/CUFRA OVHD-SW
PK WND 3041/01/ 8/100 55003 10030 20022
SUMMARY FOR SATURDAY, MARCH 21, 2015
TEMPERATURE (DEGREES F)
MAX…..41 NORMAL…..46
MIN…..25 NORMAL…..28
MEAN….33 NORMAL…..37
DEPARTURE FROM 30-YEAR NORMAL………………………-4
TOTAL DEPARTURE FOR THE MONTH………………………-67 [-3.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..32 DEPARTURE……….+4
TOTAL HEATING UNITS FOR THE MONTH………….721 DEPARTURE……….+67
TOTAL HEATING UNITS FOR THE SEASON………..5429 DEPARTURE………+207
TOTAL HEATING UNITS LAST SEASON TO DATE……5222 DIFFERENCE……..+109
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………36 WNW AT 11:02 P.M.
ASOS…………………..39 WNW AT 11:02 A.M.
DAVIS………………….N/A RMY 15
FASTEST MILE FOR YESTERDAY………………..26 WNW AT 10:58 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..25 WNW AT 11:03 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….N/A
AVERAGE WIND SPEED AND DIRECTION…………..6.5 N
ASOS…………………..6.8
DAVIS………………….5.0 WSW [240 degrees]
* Last of several occurrences…
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.09 DEPARTURE…..-0.11
ASOS…………..0.09
TOTAL PRECIPITATION FOR THE MONTH……….1.96 DEPARTURE…..-1.59
ASOS…………..N/A
TOTAL PRECIPITATION FOR THE YEAR……….13.30 DEPARTURE…..+1.46
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……….0.7 DEPARTURE……+0.4
TOTAL SNOWFALL FOR THE MONTH…………….8.3 DEPARTURE……-1.4
TOTAL SNOWFALL FOR THE SEASON………….145.8 DEPARTURE…..+89.1
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 Low so far is 22F; normal low is 28F
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 22
HIGH 81 IN 2012
LOW 3 IN 1885
PRE 3.48 INS. IN 2001
SNOW 8.7 INS. 1967
WIND 84e MPH E IN 1977
RECORDS FOR MARCH 23
HIGH 78 IN 1938
LOW 3 IN 1934
PRE 2.52 INS. IN 2010
SNOW 3.0 INS. IN 1977
WIND 78e MPH W IN 1940
TODAY’S REPORT PREPARED BY: Robert Millette/Robert Skilling
