Wednesday, March 19, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, MARCH 19, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
WARMING TREND FINALLY GETTING UNDERWAY DURING TODAY
TEMPERATURES RISING INTO 40’S AFTER MAX. OF 35F YESTERDAY
A warming trend began today during this cold month of March.
Out of a total of 11 days colder than normal so far this
month, 8 have been in double digits below normal. The
overall average for the month is 4.5 degrees colder than
the normal.
Precipitation has certainly been lacking this month following an above
average January and February. With more than half of March gone a
precipitation deficit of 2.44 inches of liquid has now brought the total
precipitation for this year down to -0.77 inch below the norm.
Today’s Observations:
7 A.M.
Weather: Clear, few cirrus and cirrocumulus lenticularis
Temperature: 30F; Dew Point: 22F; Wind: ENE at 6 kts,
Sea-level pressure: 30.38 ins. Hg, rising, then more quickly
Visibility: 20 miles, except 15 miles, N-NE, 45 miles above
inversion WNW, Mt. Wachusett faintly visible, estimated top
of inversion 4 hundred over city N, patchy thin fog below
the inversion
6-hr max temp: 30F
6-hr min temp: 23F
24-hr. precip: none
Snow depth: trace
BHO SA 1155 CLR 20 289/30/22/0605/038/ FEW CI/CCSL PTCHY THN FG
ALQDS BLO INVSN ESTMTD TOP 4 HND OVR CTY N VSBY N-NE 15 WNW 45 ABV
INVSN THN K LYR ALG HRZN SSW-SW/ 8/009 53020 10030 20023
10 A.M.
Weather: Clear, few stratocumulus distant N-NNE, altocumulus
layer extending SW-NW, dense cirrus distant NW, cirrus distant NNW-NNE
Temperature: 40F Dew Point: 22F; Wind: SE at 8 kts,
Wind Direction: variable from E-SSE
Sea-level pressure: 30.34 ins. Hg, falling then more rapidly
Visibility: 35 miles, distant haze
BHO SA 1455 CLR 35 273/40/22/1308/034/ FEW SC DSNT N-NNE AC LYR
XTDNG SW-NW CI SE-W DNS CI DSNT NW CI DSNT NNW-NNE DSNT HZ
WND 09V16/ 8/572 58016
1 P.M.
Weather: Scattered altocumulus, overcast altocumulus, numerous small
breaks in overcast, line of clear sky distant NE-ESE
Temperature: 42F; Dew Point: 24F; Wind: SE at 8 kts,
Wind Direction: Variability E-S
Sea-level pressure: 30.26 ins. Hg, falling then more rapidly
Visibility: 35 miles, distant haze
6-hr max temp: 44F
6-hr min temp: 30F
BHO SA 1755 75 SCT E100 OVC 35 247/42/24/1408/026/ NMRS SML BINOVC
LINE CLR SKY DSNT NE-ESE DSNT HZ WND 09V19/ 8/07/ 58026
10044 20030
WEATHER SUMMARY FOR TUESDAY, MARCH 18, 2014
TEMPERATURE (DEGREES F)
MAX…..35 NORMAL…..45
MIN…..16 NORMAL…..27
MEAN….26 NORMAL…..36
DEPARTURE FROM 30-YEAR NORMAL……………………-10
TOTAL DEPARTURE FOR THE MONTH……………………-68 [-4.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..39 DEPARTURE………+10
TOTAL HEATING UNITS FOR THE MONTH………….647 DEPARTURE………+78
TOTAL HEATING UNITS FOR THE SEASON………..5238 DEPARTURE……..+101
TOTAL HEATING UNITS LAST SEASON TO DATE……4669 DIFFERENCE…….+569
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………18 ENE AT 9:57 A.M.
AERO…………………..16 ENE AT 10:07 A.M. *
ASOS…………………..19 ENE AT 9:43 A.M.
DAVIS………………….17 NNE AT 9:57 A.M. RMY 18
FASTEST MILE FOR YESTERDAY………………..11 E AT 10:05 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..14 ENE AT 9:43 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….12 ENE AT 9:43 A.M.
AVERAGE WIND SPEED AND DIRECTION…………8.4 N
ASOS…………………9.0
DAVIS………………..7.5 NE [050 deg.]
* the last of several occurrences….
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………….-0.19
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….0.70 DEPARTURE………….-2.44
ASOS…………..0.70
TOTAL PRECIPITATION FOR THE YEAR……….10.79 DEPARTURE………….-0.77
ASOS………….11.24
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH…………….2.5 DEPARTURE…………..-6.1
TOTAL SNOWFALL FOR THE SEASON…………..84.3 DEPARTURE………….+28.7
PRELIMINARY CLIMATE SUMMARY FOR MARCH 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO 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 34/12/23/-8/0.00/0.0/458/68 28 SSW AERO 29 MPH SSW RMY 30
3/2 37/28/33/2/T/T/014/02 22 SW AERO 22 MPH SW RMY 29
3/3 28/11/20/-12/0.00/0.0/000/00 29 NNW AERO 30 MPH NNW RMY N/A
3/4 29/6/18/-14/0.00/0.0/444/65 17 SW AERO 16 MPH SW RMY 17
3/5 27/16/22/-10/0.02/0.3/000/00 21 NE AERO 20 MPH N RMY 23
3/6 26/7/17/-15/0.00/0.0/689/100 23 NNW AERO 23 MPH NNW RMY N/A
3/7 35/16/26/-7/0.00/0.0/449/65 18 SE AERO 17 MPH SE RMY 18
3/8 52/27/40/+7/0.00/0.0/673/97 26 NW AERO 29 MPH NNW RMY 27
3/9 40/25/33/0/0.00/0.0/669/96 28 NW AERO 29 MPH NW RMY 29
3/10 42/26/34/+1/0.03/0.8/196/28 21 S AERO 22 MPH S RMY 27
3/11 56/34/45/+11/0.00/0.0/450/64 33 W AERO 33 MPH W RMY 34
3/12 53/34/44/+10/0.50/T/120/17 29 NNW AERO 30 MPH NNW RMY 30
3/13 33/12/23/-11/0.14/1.4/007/01 43 NW AERO 45 MPH NW RMY 45
3/14 37/10/24/-11/0.00/0.0/498/70 39 SSW AERO 41 MPH SSW RMY 42
3/15 54/35/45/+10/0.01/0.0/450/63** 50 WNW AERO 58 MPH WNW RMY 54
3/16 34/21/28/-7/0.00/0.0/…/.. 36 W AERO 36 MPH WNW RMY 37
3/17 30/13/22/-14/0.00/0.0/…/.. 25 N AERO 26 MPH N RMY 19
3/18 35/16/26/-10/0.00/0.0/…/.. 18 ENE AERO 16 MPH ENE RMY 18
3/19 morning low temp: 23F; the normal low is now 27F
** 3/15 daily precipitation corrected from 0.02 to 0.01 inch….
DAILY RECORDS FOR MARCH 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR MARCH 19
HIGH 77 IN 2012
LOW -2 IN 1967
PRECIP 1.69 INS. IN 1956
SNOWFALL 17.6 INS. IN 1956 [RECORD FOR MONTH]
PEAK GUST 75e MPH WNW IN 1941
RECORDS FOR MARCH 20
HIGH 79 IN 1945
LOW 4 IN 1885
PRECIP 1.39 INS. IN 1957
SNOWFALL 11.4 INS. IN 1957
PEAK GUST 63 MPH SE IN 1975
TODAY’S REPORT PREPARED BY: Robert Skilling
