Monday, August 11, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, AUGUST 11, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

SUNNY AND WARM ONCE AGAIN, MUCH NEEDED SHOWERS TO COME

Sunday featured largely clear, warm and hazy conditions,
with a day time maximum of 84F, 3 degrees above the 30-year
norm for that date.

Another day without precipitation has resulted in an even
larger deficit this month, with a -1.26 inch deficit for the
month, and a -2.62 deficit for the year so far.

By the 1:00 PM observation some small cumulus seen earlier
in the day had begun some moderate development, with a few
isolated showers present in the region, however, not at
our station.

Today’s Observations:

7 A.M.
Weather: Sky clear above, partial undercast distant SW-WNW
Temperature: 69F; Dew Point: 59F; Wind: SSW at 8 kts
Sea-level pressure: 30.16 ins. Hg, rising, then more quickly
Visibility: 50 miles, 25 miles SW-WNW, obscured by distant
partial undercast, light distant haze
6-hr max temp: 69F
6-hr min temp: 63F
24-hr precip: None
BHO SA 1155 CLR 50 215/69/59/2008/016/ SKC PARTIAL UNDERCAST
DSNT SW-WNW VSBY SW-WNW 25 MI LGT DSNT HZ ALQDS/ 8/000 53006
10069 20063

10 A.M.
Weather: Few cumulus distant WSW-NW
Temperature: 79F; Dew Point: 61F; Wind: estimated N at 5 kts,
Wind Speed: Light
Sea-level pressure: 30.15 ins. Hg, rising, then falling and lower
Visibility: 45 miles, light distant haze
BHO SA 1455 CLR 45 214/79/61/2106/016/ FEW CU DSNT WSW-NW DSNT
HZ ALQDS WND LGT AND VRB/ 8/100 58001

1 P.M.
Weather: Scattered cumulus, few moderate cumulus overhead
and SW-WNW
Temperature: 85F; Dew Point: 58F; Wind: S at 7 kts
Sea-level pressure: 30.14 ins. Hg, falling steadily
Visibility: 45 miles, 60 miles NNE-SE, light distant haze
6-hr max. temp: 85F
6-hr min. temp: 68F
BHO SA 1755 55 SCT 45 205/85/58/1707/014/ FEW MDT CU OHD AND
SW-WNW VSBY NNE-SE 60 MI LGT DSNT HZ ALQDS/ 8/200 57009 10085
20068

WEATHER SUMMARY FOR SUNDAY, AUGUST 10, 2014

TEMPERATURE (DEGREES F)
MAX…..84    NORMAL…..80
MIN…..63    NORMAL…..63
MEAN….74    NORMAL…..71

DEPARTURE FROM 30-YEAR NORMAL…………………….+3
TOTAL DEPARTURE FOR THE MONTH…………………….-8 [-0.6 DEGREE/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..9   DEPARTURE………..+2
TOTAL COOLING UNITS FOR THE MONTH………….62   DEPARTURE………..-9
TOTAL COOLING UNITS FOR THE SEASON………..399   DEPARTURE……….-23
TOTAL COOLING UNITS LAST SEASON TO DATE……532   DIFFERENCE……..-133

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………15  W    AT 12:28 A.M.
ASOS…………………..15  NNW  AT  2:17 A.M.
DAVIS………………….14  W    AT 12:25 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..12  W    AT 12:26 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..13  S    AT 11:48 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….11  W    AT 12:28 A.M.
AVERAGE WIND SPEED AND DIRECTION…………..7.4 N
ASOS…………………..7.6
DAVIS………………….6.6 N  [357 deg.] * last of several occurrences…

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 AUGUST………….0.19  DEPARTURE……….-1.26
ASOS…………..0.15
TOTAL PRECIPITATION FOR THE YEAR……….29.71  DEPARTURE……….-2.62
ASOS………….32.03

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/…./009/01              21 ESE RMY 22
8/3  71/60/66/-6/…./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  79/64/72/0/0.06/…/..               23 WNW RMY 25
8/7  79/58/69/-3/T/…/..                 22 NW  RMY 24 TSTM
8/8  82/55/69/-3/0.00/…/..              20 WNW RMY 20
8/9  82/60/71/-1/0.00/…/..              16 WNW RMY 17
8/10 84/63/74/+3/0.00/…/..              15 W   RMY N/A

8/11  morning low of 63F; the normal low is now 63F

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 11
HIGH 97F IN 1944
LOW 49F IN 1972
PRECIP 3.13 INCHES IN 1990
PEAK GUST 44 MPH SW IN 1971

RECORDS FOR AUGUST 12
HIGH 99F IN 1944
LOW 48F IN 1930
PRECIP 1.89 INCHES IN 1979
PEAK GUST 50 MPH NE IN 1983

TODAY’S REPORT PREPARED BY: Brian Fitzgerald