Friday, January 29, 2016
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, JANUARY 29, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
OVERCAST SKY BUT NO PRECIPITATION TODAY THROUGH EARLY AFTERNOON
TEMPERATURES REMAIN IN 30’S (39 MAXIMUM) THROUGH 1 P.M.
The morning low temperature was 32 degrees since midnight
and high through early afternoon 39 but that was still
5 degrees above normal.
Today will mark the 5th consecutive day with above normal
temperatures and the month stands close to 3.5 degrees
above normal.
Today’s Observations:
7 A.M.
Weather: Undercast except broken NNE-S, estimated top 4 hundred ft.
Overcast altostratus
Temperature: 33F; Dew Point: 33F; Wind: WNW at 5 kts,
Sea-level pressure: 29.49 ins. Hg, falling then more slowly
Visibility: 1 1/2 miles, except east 2, southeast 5, west 1 mile,
6-hr Max temp: 34F
6-hr Min temp: 32F
24-hr precip: none
24-hr snowfall: none
Snow depth: 1 in.(snow cover patchy)
BHO SA 1155 E100 OVC 11/2F 987/33/33/3005/949/ UNDERCAST BKN NE-SSW
ESTMTD TOP 4 HND VSBY E 2 SSW-N 1 HILL 8 SW CLRLY VSB ABV UNDERCAST
WND LGT/ 8/02/ 4/001 56020 10034 20032
10 A.M.
Weather: Broken altostratus, broken dense cirrus,
break in overcast SW-NW (clear sky band)
Temperature: 34F; Dew Point: 33F; Wind: N at 5 kts,
Wind: Light
Sea-level pressure: 29.42 ins. Hg, falling then more slowly
Visibility: 1 3/4 miles, fog
BHO SA 1455 E150 BKN 200 OVC 13/4F 963/34/33/3605/942/ BINOVC/BND CLR
SKY VC XTDNG SW-NW SUN OCNL DMLY VSB VSBY SW-N 1 E 3 SE 5 TOP OF FG/STRA
LYR ESTMTD 15 HND W AND 9 HND E THN STRA OCNL DRFTG OVR SMT/ 8/012 56024
1 P.M.
Weather: Overcast altocumulus, stratocumulus NNE-S
bright spots in overcast, sun occasionally dimly visible
Temperature: 38F; Dew Point: 28F; Wind: WNW at 8 kts,
Sea-level pressure: 29.38 ins. Hg, falling then more rapidly
Visibility: 15 miles, except 20 miles WNW hazy
6-hr Max temp: 39F
6-hr Min temp: 33F
BHO SA 1755 E85 OVC 15 950/38/28/2908/938/ SC NNE-S BRGHT SPTS
IOVC SUN OCNL DMLY VSB VSBY WNW 20 HAZY ALQDS/ 8/57/ 58017
10039 20033
SUMMARY FOR THURSDAY, JANUARY 28, 2016
TEMPERATURE (DEGREES F)
MAX…..41 NORMAL…..34
MIN…..23 NORMAL…..17
MEAN….32 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL……………………+7
TOTAL DEPARTURE FOR THE MONTH………………….+102 [+3.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..33 DEPARTURE……….-7
TOTAL HEATING UNITS FOR THE MONTH………….974 DEPARTURE……..-101
TOTAL HEATING UNITS FOR THE SEASON………..2663 DEPARTURE……..-749
TOTAL HEATING UNITS LAST SEASON TO DATE……3213 DIFFERENCE…….-550
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….29 SSW AT 1:57 P.M.
ASOS……………………29 SSW AT 1:57 P.M.
DAVIS…………………..27 SSW AT 1:57 P.M. RMY 29
FASTEST MILE FOR YESTERDAY…………………21 SSW AT 1:57 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………22 SSW AT 2:00 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..21 SSW AT 1:58 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..10.4 S
ASOS…………………..10.5
DAVIS…………………..9.7 SSW [210 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……-0.17
ASOS…………..3.94
TOTAL PRECIPITATION FOR THE YEAR………..3.77 DEPARTURE……-0.17
ASOS…………..3.94
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.7
TOTAL SNOWFALL FOR THE MONTH……………14.3 DEPARTURE…….-1.4
TOTAL SNOWFALL FOR THE SEASON…………..15.6 DEPARTURE……-16.1
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/389/69 26 W AERO N/A RMY 25
1/15 40/23/32/+7/0.00/0.0/102/18 26 ESE AERO 25 ESE RMY 23
1/16 41/32/37/+12/1.03/T/000/00 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/…./…/487/82 50 W AERO 50 W RMY 47
1/19 22/13/18/-7/0.00/0.0/194/34 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 41/23/32/+7/0/0/…/.. 29 SSW AERO 29 SSW RMY 29
1/29 morning low since midnight 32F; 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 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
RECORDS FOR JANUARY 30
HIGH 60F IN 1914
LOW -8F IN 1948
PRECIP 1.12 INS. IN 1925
SNOWFALL 6.5 INS. IN 1986
PEAK GUST 76 MPH WNW IN 1962
TODAY’S REPORT PREPARED BY: Robert Skilling
