Thursday, January 28, 2016
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JANUARY 28, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
A VERY SUNNY DAY WITH TEMPERATURES STILL RUNNING ABOVE NORMAL
JANUARY CONTINUES MORE THAN 3 DEGREES ON MILD SIDE
LOW OF 23F ON SUMMIT ABOVE INVERSION WITH LOWS IN TEENS BELOW
Except for some high cirrus clouds off to the east through
southwest the day has been very sunny. Temperatures which
were in double digits above normal over the past two days
have lowered but are still running above normal with a high
in the low 40’s. The normal high is 34 degrees.
Today’s Observations:
7 A.M.
Weather: Clear, cirrus, dense cirrus layer distant E-SSW
Temperature: 37F; Dew Point: 27F; Wind: WSW at 8 kts,
Wind: Direction gradually backing
Sea-level pressure: 30.06 ins. Hg, falling then more slowly
Visibility: 60 miles, light distant haze
6-hr Max temp: 27F
6-hr Min temp: 23F
24-hr precip: none
24-hr snowfall: none
Snow depth: 1 in.(snow cover patchy)
BHO SA 1155 CLR 60 179/24/15/2508/006/ CI/DNS CI LYR DSNT E-SSW
LGT DSNT HZ WND GRDLY BACKING/ 8/002 4/001 56009 10027 20023
10 A.M.
Weather: Clear, cirrus distant ESE-S along and near horizon
Temperature: 32F; Dew Point: 18F; Wind: ESE at 4 kts,
Wind: Light
Sea-level pressure: 30.02 ins. Hg, falling then more rapidly
Visibility: 60 miles, thin smoke NW-NE, light distant haze
BHO SA 1455 CLR 60 165/32/18/E1504/002/ CI DSNT ESE-S ALG HRZN
THN K NW-NE LGT DSNT HZ WND LGT/ 8/001 58014
1 P.M.
Weather: Clear, cirrus/few dense cirrus ESE-SW, cirrus distant NW
Temperature: 40F; Dew Point: 20F; Wind: SW at 12G17 kts,
Wind: Direction variable S-WSW
Sea-level pressure: 29.91 ins. Hg, falling then more rapidly
Visibility: 60 miles, light distant haze
6-hr Max temp: 40F
6-hr Min temp: 24F
BHO SA 1755 CLR 60 127/40/20/2212G17/991/ CI/DNS CI ESE-SW AND DSNT NW
WND 19V25/ 8/002 58038 10040 20024
SUMMARY FOR WEDNESDAY, JANUARY 27, 2016
TEMPERATURE (DEGREES F)
MAX…..43 NORMAL…..34
MIN…..27 NORMAL…..17
MEAN….35 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL…………………..+10
TOTAL DEPARTURE FOR THE MONTH…………………..+95 [+3.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..30 DEPARTURE………-10
TOTAL HEATING UNITS FOR THE MONTH………….974 DEPARTURE………-94
TOTAL HEATING UNITS FOR THE SEASON………..2630 DEPARTURE……..-743
TOTAL HEATING UNITS LAST SEASON TO DATE……3163 DIFFERENCE…….-533
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….38 WNW AT 2:52 P.M.
ASOS……………………36 WNW AT 2:52 P.M.
DAVIS…………………..34 WNW AT 2:52 P.M. RMY 37
FASTEST MILE FOR YESTERDAY…………………27 WNW AT 2:51 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………26 WNW AT 2:53 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..24 WNW AT 2:53 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..13.5 NW
ASOS…………………..13.1
DAVIS………………….11.5 WNW [300 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……-0.13
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.77 DEPARTURE……-0.04
ASOS…………..3.94
TOTAL PRECIPITATION FOR THE YEAR………..3.77 DEPARTURE……-0.04
ASOS…………..3.94
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.6
TOTAL SNOWFALL FOR THE MONTH……………14.3 DEPARTURE…….-0.7
TOTAL SNOWFALL FOR THE SEASON…………..15.6 DEPARTURE……-15.4
PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATA REPORTED:
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
1/1 37/29/33/+6/0.00/0.0/005/01 29 W RMY 29
1/2 37/27/32/+5/0.00/0.0/461/84 31 W RMY N/A
1/3 41/27/34/+8/0.00/0.0/501/91 28 W RMY 29
1/4 30/10/20/-6/T/T/000/00 29 NNW RMY 29
1/5 23/4/14/-12/0.00/0.0/552/100 28 NNW RMY N/A
1/6 43/17/30/+4/0.00/0.0/553/100 24 SW RMY 24
1/7 43/25/34/+8/0.00/0.0/521/94 21 SW RMY N/A
1/8 40/28/34/+8/T/0.0/000/00 28 E AERO 25 ENE RMY 25
1/9 39/36/38/+12/T/0.0/000/00 21 ENE AERO 20 ENE RMY N/A
1/10 58/38/48/+23/1.55/0.0/000/00 53 SSE AERO 55 SSE RMY 53
1/11 48/21/35/+10/0.00/0.0/559/100 43 W AERO 45 WSW RMY N/A
1/12 35/19/27/+2/…./…/359/64 30 SE AERO N/A RMY N/A
1/13 30/17/24/-1/…./…/551/98 50 W AERO 58 W RMY 54
1/14 28/17/23/-2/T/T/…/.. 26 W AERO N/A RMY 25
1/15 40/23/32/+7/0.00/0.0/…/.. 26 ESE AERO 25 ESE RMY 23
1/16 41/32/37/+12/1.03/T/…/.. 32 NNW AERO 32 NNW RMY 28
1/17 33/26/30/+5/…./…/…/.. 29 WNW AERO 28 WNW RMY N/A
1/18 26/15/21/-4/…./…/…/.. 50 W AERO 50 W RMY 47
1/19 22/13/18/-7/0.00/0.0/…/.. 55 WNW AERO 59 W RMY 55
1/20 30/15/23/-2/0.00/0.0/…/.. 46 WNW AERO 47 WNW RMY 45
1/21 30/15/23/-2/0.00/0.0/…/.. 38 WNW AERO 38 NW RMY 35
1/22 28/14/21/-4/0.00/0.0/…/.. 32 NW AERO 32 NW RMY N/A
1/23 30/18/24/-1/0.74/7.1/000/00 54 NE AERO 56 NE RMY 50
1/24 33/14/24/-1/T/T/…/.. 34 N AERO 37 N RMY 29
1/25 37/20/29/+4/0/0/…/.. 22 NW AERO 22 NW RMY N/A
1/26 49/27/38/+13/0/0/…/.. 44 SSW AERO 47 SSW RMY 43
1/27 43/27/35/+10/0/0/…/.. 38 WNW AERO 40 SSW RMY 37
1/28 morning low since midnight 23F; normal low is 17F
DAILY RECORDS FOR JANUARY 2016
**1/10/16: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 58F, BREAKS
PREVIOUS RECORD OF 54F SET BACK IN 2000**
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 28
HIGH 59F IN 1916
LOW -9F IN 1888, 1924
PRECIP 2.18 INS. IN 1897
SNOWFALL 15.0 INS. IN 1897
PEAK GUST 78e MPH SSE IN 1977
RECORDS FOR JANUARY 29
HIGH 66F IN 2002
LOW -11F IN 1888
PRECIP 1.48 INS. IN 1973
SNOWFALL 8.0 INS. IN 1943
PEAK GUST 72 MPH NW IN 1973
TODAY’S REPORT PREPARED BY: Robert Skilling
