Wednesday, August 27, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, AUGUST 27, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

THE MERCURY CLIMBS HIGH ONCE AGAIN, FLIRTING NEAR 90F

Mostly clear, but hazy skies have prevailed once
again with very little cloud development taking
place through the morning. Dew points have stayed
largely in the 60s this morning along with a fairly
steady wind from SW.

Another August day without precipitation yesterday
has increased our deficit here at Blue Hill further
to -2.03 inches for the month and -3.39 inches so far
for the year.

Today’s Observations:

7 A.M.
Weather: Scattered cirrus fibratus
Temperature: 70F; Dew Point: 61F; Wind: SW at 10 kts,
Sea-level pressure: 30.01 ins. Hg, rising then rising more slowly
Visibility: 40 miles, 30 miles SW-NNE, hazy
6-hr max temp: 70F
6-hr min temp: 64F
24-hr precip: 0.00 in.
BHO SA 1155 250 SCT 40 164/70/61/2310/001/
VSBY SW-NNE 30 MI HAZY ALQDS/ 8/001 51002 10070 20064

10 A.M.
Weather: Clear, few small cumulus distant WNW, few cirrus
fibratus distant WNW-NNE
Temperature: 83F; Dew Point: 62F; Wind: SW at 10 kts
Sea-level pressure: 29.99 ins. Hg, rising, then falling
Visibility: 30 miles, hazy
BHO SA 1455 CLR 30 156/83/62/2310/999/
FEW SML CU DSNT WNW FEW CI DSNT WNW-NNE HAZY ALQDS/ 8/101 58008

1 P.M.
Weather: Clear, few cumulus in all directions
Temperature: 88F; Dew Point: 65F; Wind: SSW at 14G19 kts
Sea-level pressure: 29.93 ins. Hg, decreasing, then more quickly
Visibility: 30 miles, hazy
6-hr max. temp: 89F
6-hr min. temp: 69F
BHO SA 1755 CLR 30 134/88/65/2114G19/993/
FEW SML CU ALQDS HAZY ALQDS/ 8/100 58022 10089 20069

WEATHER SUMMARY FOR TUESDAY, AUGUST 26, 2014

TEMPERATURE (DEGREES F)
MAX…..89    NORMAL…..78
MIN…..62    NORMAL…..61
MEAN….76    NORMAL…..69

DEPARTURE FROM 30-YEAR NORMAL…………………….+7
TOTAL DEPARTURE FOR THE MONTH……………………-40 [-1.7 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY………….11   DEPARTURE………..+6
TOTAL COOLING UNITS FOR THE MONTH…………116   DEPARTURE……….-48
TOTAL COOLING UNITS FOR THE SEASON………..453   DEPARTURE……….-62
TOTAL COOLING UNITS LAST SEASON TO DATE……612   DIFFERENCE……..-159

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………20  SSW  AT  4:02 P.M.
ASOS…………………..23  SSW  AT  4:02 P.M.
DAVIS………………….22  SSW  AT  4:02 P.M. RMY 23
FASTEST MILE FOR YESTERDAY………………..16  SSW  AT  4:05 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..17  SSW  AT 10:58 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17  SSW  AT  4:04 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..9.4 S
ASOS…………………..10.2
DAVIS………………….8.6 SSW [204 deg.] * last of several occurrences…

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.12
ASOS…………..0.00
TOTAL PRECIPITATION FOR AUGUST………….1.45  DEPARTURE……….-2.03
ASOS…………..1.41
TOTAL PRECIPITATION FOR THE YEAR……….31.08  DEPARTURE……….-3.39
ASOS………….31.32

PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/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

8/1  86/63/75/+3/0.00/598/69              25 S   RMY 29
8/2  68/59/64/-8/0.11/009/01              21 ESE RMY 22
8/3  71/60/66/-6/0.01/104/12              12 SE  RMY 12
8/4  83/64/74/+2/0.00/550/64              20 S   RMY 21
8/5  87/66/77/+5/0.00/798/93              17 S   RMY 19
8/6  79/64/72/0/0.07/462/54               23 WNW RMY 25
8/7  79/58/69/-3/T/589/69                 22 NW  RMY 24 TSTM
8/8  82/55/69/-3/0.00/817/96              20 WNW RMY 20
8/9  82/60/71/-1/0.00/730/86              16 WNW RMY 17
8/10 84/63/74/+3/0.00/770/91              15 W   RMY N/A
8/11 85/63/74/+3/0.00/667/79              25 S   RMY 29
8/12 81/64/73/+2/0.00/387/46              25 SSE RMY N/A
8/13 69/61/65/-6/1.09/000/00              35 ESE RMY 37
8/14 73/57/65/-6/0.00/828/99              27 W   RMY 29
8/15 74/56/65/-6/0.09/459/55              23 W   RMY 23 TSTM
8/16 76/56/66/-5/0.00/640/77              24 SW  RMY 27
8/17 78/60/69/-2/0.01/555/67              21 WNW RMY 23
8/18 77/56/67/-4/0.00/777/94              23 WNW RMY 25
8/19 78/54/66/-4/0.00/816/99              17 WNW RMY 17
8/20 78/58/68/-2/0.00/813/99              15 NE  RMY 15
8/21 76/58/67/-3/T/434/53                 16 ENE RMY 17
8/22 71/60/66/-4/0.07/…/..              17 NE  RMY 19
8/23 71/58/65/-5/0.00/…/..              22 ENE RMY 25
8/24 78/58/68/-2/0.00/…/..              16 ENE RMY N/A
8/25 85/63/74/+5/0.00/…/..              16 NW  RMY 17
8/26 89/62/70/+7/0.00/…/..              20 SSW RMY 23

8/27 morning low of 64F; the normal low is now 60F

DAILY RECORDS FOR AUGUST 2014:
None so far.

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR AUGUST 27
HIGH 99F IN 1948
LOW 44F IN 1885
PRECIP 2.77 INCHES IN 1946
PEAK GUST 48 MPH NW IN 1983

RECORDS FOR AUGUST 28
HIGH 95F IN 1948
LOW 43F IN 1885
PRECIP 1.80 INCHES IN 1922
PEAK GUST 87 MPH SSE IN 1971 (DORIA)

TODAY’S REPORT PREPARED BY: Brian Fitzgerald