Monday, January 27, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JANUARY 27, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
A DYNAMIC DAY ON GREAT BLUE HILL WITH WARM SOUTHERLY WINDS,
RAIN AND HIGH TEMPERATURES IN THE MID 40S AHEAD OF ANOTHER
BLAST OF COLD AIR
Gusty winds from the west yesterday peaked at 45 MPH just after
6:00 AM bringing wind chills well below zero. Temperatures rebounded
during last night as the flow shifted toward the south. At 1:00 PM
today a maximum of 45 degrees had been reached.
Four inches of snow remain on the ground early this morning, with
significant melting occurring today.
Today’s Observations:
7 A.M.
Weather: Few altocumulus lenticularis, scattered stratocumulus,
broken cirrostratus
Temperature: 36F; Dew Point: 32F; Wind: S at 17G24 kts
Sea-level pressure: 29.65 ins. Hg, falling, then more slowly
Visibility: 20 miles, light fog
6-hr. min temp: 19F
Total snow depth on ground: 4 inches
BHO SA 1155 80 SCT E150 BKN 20 041/36/32/1817G24/965/
FEW ACSL DSNT W LGT FG/ 8/548 4/004 56025 10036 20019
10 A.M.
Weather: Broken stratocumulus, broken altocumulus,
overcast cirrostratus
Temperature: 44F Dew Point: 33F; Wind: S at 20G34 kts,
Wind: Peak gust 40 kts W at 9:25 AM
Sea-level pressure: 29.60 ins. Hg, decreasing, then increasing
Visibility: 35 miles, 20 miles SSW
BHO SA 1455 E60 BKN 80 BKN 250 OVC 35 025/44/33/1920G34/960/
SHWRS DSNT NNE AND SSW VSBY SSW 20 MI PK WND 1940/25/ 8/548 55016
1 P.M.
Weather: Light rain, overcast nimbostratus
Temperature: 42F; Dew Point: 36F; Wind: SSW at 18G27 kts,
Sea-level pressure: 29.55 ins. Hg, steady then decreasing
Visibility: 30 miles
Rain past 6-hrs: 0.02 inches
6-hr max. temp: 45F
6-hr min. temp: 36F
BHO SA 1755 E40 OVC 30R- 006/42/36/2118G27/955/ VSBY SE-SSW 20 MI/
8/02/ 58019 ASOS 60003 MANUAL 60002 10045 20036
WEATHER SUMMARY FOR SUNDAY, JANUARY 26, 2014
TEMPERATURE (DEGREES F)
MAX…..22 NORMAL…..34
MIN…..12 NORMAL…..17
MEAN….17 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL……………………-8
TOTAL DEPARTURE FOR THE MONTH……………………+2 [-0.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..48 DEPARTURE……….+8
TOTAL HEATING UNITS FOR THE MONTH…………1027 DEPARTURE……….-1
TOTAL HEATING UNITS FOR THE SEASON………..3304 DEPARTURE………-29
TOTAL HEATING UNITS LAST SEASON TO DATE……2962 DIFFERENCE…….+342
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………45 W AT 6:16 A.M.
AERO…………………..43 W AT 6:14 A.M.
ASOS…………………..44 W AT 6:16 A.M.
DAVIS………………….42 W AT 6:16 A.M. RMY 41
FASTEST MILE FOR YESTERDAY………………..34 W AT 6:16 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..33 WNW AT 6:16 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….31 WNW AT 6:01 A.M.
AVERAGE WIND SPEED AND DIRECTION…………17.2 W
ASOS…………………16.7
DAVIS………………..15.2 WSW [253 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………….-0.14
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….4.59 DEPARTURE………….+0.91
ASOS…………..4.89
TOTAL PRECIPITATION FOR THE YEAR………..4.59 DEPARTURE………….+0.91
ASOS…………..4.89
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……..0.0 DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH………….32.9 DEPARTURE………….+18.5
TOTAL SNOWFALL FOR THE SEASON…………48.6 DEPARTURE………….+18.2
PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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: RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
1/1 26/16/21/-6/0.00/0.0/505/92 25 W AERO 25 MPH W RMY 27
1/2 24/00/12/-15/0.97/10.9/000/00 39 NNE AERO 39 MPH NNE RMY 39
1/3 12/-3/05/-21/0.38/4.7/270/49 36 N AERO 39 MPH N RMY 34
1/4 25/-4/11/-15/0.00/0.0/545/99 35 SSW AERO 37 MPH SSW RMY 38
1/5 42/23/33/+07/0.08/0.0/259 47 30 SE AERO 32 MPH SE RMY 42
1/6 57/25/41/+15/0.29/0.0/006/01 41 S AERO 46 MPH S RMY 48
1/7 25/06/16/-10/0.00/0.0/555/100 44 WNW AERO 46 MPH WNW RMY 42
1/8 21/3/12/-14/0.00/0.0/550/99 28 WSW AERO 29 MPH WSW RMY N/A
1/9 28/13/21/-5/0.00/0.0/540/97 23 WNW AERO 24 MPH WNW RMY 27
1/10 37/17/27/+2/0.05/0.3/000/00 17 SSW AERO 18 MPH SW RMY N/A
1/11 57/37/47/+22/0.67/0.0/000/00 50 S AERO 59 MPH S RMY 59
1/12 51/32/42/+17/0.04/0.0/292/52 41 W AERO 44 MPH W RMY 42
1/13 50/30/40/+15/0.00/0.0/473/84 33 S AERO 36 MPH S RMY 37
1/14 49/41/45/+20/0.83/0.0/000/00 35 S AERO 37 MPH S RMY 32
1/15 46/33/40/+15/0.00/0.0/374/66 24 W AERO 23 MPH W RMY N/A
1/16 40/34/37/+12/0.00/0.0/000/00 14 ENE AERO 13 MPH ENE RMY 14
1/17 44/33/39/+14/0.00/0.0/541/95 21 SW AERO 21 MPH SW RMY 22
1/18 37/30/34/+9/0.82/4.2/000/00 18 E AERO 17 MPH E RMY 18
1/19 32/27/30/+5/0.03/0.5/…/.. 28 SW AERO 35 MPH SW RMY 34
1/20 39/23/31/+6/0.00/0.0/…/.. 38 W AERO 41 MPH W RMY 42
1/21 23/8/16/-9/…./…/…/.. 29 WNW AERO 30 MPH WNW RMY 32
1/22 15/3/9/-16/…./…/…/.. 36 N AERO 35 MPH N RMY 34
1/23 20/-1/10/-15/0.00/0.0/…/.. 30 W AERO 29 MPH W RMY 30
1/24 16/2/9/-16/0.00/0.0/…/.. 28 WNW AERO 25 MPH WNW RMY N/A
1/25 36/12/24/-1/…./…/…/.. 60 SSW AERO 66 MPH SSW RMY 64
1/26 22/12/17/-8/…./…/…/.. 45 W AERO 43 MPH W RMY 41
1/27 morning low temp: 16F; the normal low is now 17F
DAILY RECORDS FOR JANUARY 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 27
HIGH 63F IN 1974
LOW -12F IN 1924
PRECIP 1.59 INS. IN 1996
SNOWFALL 11.7 INS. IN 2011
PEAK GUST 91 MPH SSE IN 1996
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
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
