Saturday, August 15, 2015
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, AUGUST 15, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME
HOT AND HAZY WITH MODERATE HUMIDITY TODAY…
BUILDING CUMULUS THIS AFTERNOON WITH SHOWERS IN THE AREA…
The overnight low of 66F was the highest since early August
as heat and humidity move back into New England today. The
maximum temperature today has reached 89F by early afternoon,
which matches the warmest temperature for this month recorded
back on August 3rd. Moderate cumulus surround the station as
building clouds have started generating a few showers and
thundershowers in Southern New England this afternoon.
Today’s Observations:
7 A.M.
Weather: Scattered altocumulus (2 layers), thin overcast cirrus,
few altocumulus castellanus SSE-SW, hazy
Temperature: 68F; Dew Point: 61F; Wind: WSW at 8 kts
Sea-level pressure: 30.13 ins. Hg, rising
Visibility: 30 miles, hazy
6-hr Max temp: 68F
6-hr Min temp: 66F
24-hr precip: none
BHO SA 1155 80 SCT 95 SCT 250 -OVC 30 202/68/61/2408/013/
FEW ACCAS SSE-SW HAZY/ 8/071 53006 10068 20066
10 A.M.
Weather: Thin broken cirrus, few altocumulus distant W-NW,
few altocumulus floccus overhead-N, few altocumulus castellanus
distant NNW-N, few lower dense cirrus, hazy
Temperature: 82F; Dew Point 66F; Wind: WSW at 5 kts,
Sea-level pressure: 30.14 ins. Hg, rising
Visibility: 35 miles, hazy
BHO SA 1455 250 -BKN 35 207/82/66/2405/014/ FEW AC DSNT W-NW
FEW AC FLOCCUS OVHD-N FEW ACCAS DSNT NNW-N FEW LWR DNS CI HAZY
WND LGT/ 8/081 51005
1 P.M.
Weather: Scattered cumulus and cumulus fractus, broken cirrus,
moderate cumulus all quadrants, few lower dense cirrus SE and NW,
hazy
Temperature: 87F; Dew Point: 65F; Wind: SW at 10 kts,
Sea-level pressure: 30.09 ins. Hg, falling, then more quickly
Visibility: 40 miles, hazy
6-hr Max temp: 89F
6-hr Min temp: 68F
BHO SA 1755 55 SCT 250 BKN 40 190/87/65/2110/009/ MDT CU ALQDS
FEW LWR DNS CI SE AND NW HAZY/ 8/201 58017 10089 20068
SUMMARY FOR FRIDAY, AUGUST 14, 2015
TEMPERATURE (DEGREES F)
MAX…..86 NORMAL…..80
MIN…..63 NORMAL…..62
MEAN….75 NORMAL…..71
DEPARTURE FROM 30-YEAR NORMAL……………………+4
TOTAL DEPARTURE FOR THE MONTH…………………..+12 [+0.7 DEGREES/DAY]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..10 DEPARTURE……….+4
TOTAL COOLING UNITS FOR THE MONTH………….105 DEPARTURE……….+8
TOTAL COOLING UNITS FOR THE SEASON…………499 DEPARTURE………+51
TOTAL COOLING UNITS LAST SEASON TO DATE…….416 DIFFERENCE……..+83
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….21 S AT 5:20 P.M. *
ASOS……………………23 S AT 5:32 P.M.
DAVIS…………………..22 SSW AT 5:16 P.M. RMY 23
FASTEST MILE FOR YESTERDAY…………………16 SSW AT 9:52 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………16 SW AT 9:59 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..16 SW AT 9:59 P.M.
AVERAGE WIND SPEED AND DIRECTION………….10.3 WSW
ASOS…………………..9.8
DAVIS………………….8.7 WSW [249 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 THE MONTH………..0.89 DEPARTURE…..-1.08
ASOS…………..0.91
TOTAL PRECIPITATION FOR THE YEAR………..28.25 DEPARTURE…..-4.71
ASOS……………N/A ***
*** ASOS annual total not available due to erroneous readings
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 88/68/78/+6/0.06/729/84 28 WNW RMY N/A
8/2 86/62/74/+2/0.00/865/100 24 SW RMY N/A
8/3 89/68/79/+7/0.00/690/80 31 S RMY N/A
8/4 86/66/76/+4/0.31/422/49 45 W RMY 50 TSTM
8/5 84/64/74/+2/0.00/765/89 28 WNW RMY 27
8/6 80/59/70/-2/0.00/685/80 22 W RMY 21
8/7 78/61/70/-2/0.00/845/99 20 ESE RMY 18
8/8 77/58/68/-4/0.00/741/87 18 E RMY N/A
8/9 72/59/66/-6/T/458/54 27 NNE RMY 26
8/10 84/58/71/0/0.00/…/.. 28 S RMY N/A
8/11 70/63/67/-4/0.52/000/00 32 SSE RMY 35
8/12 83/65/74/+3/0.00/766/91 22 W RMY 20
8/13 83/62/73/+2/0.00/832/99 18 WNW RMY 18
8/14 86/63/75/+4/0.00/837/100 21 S RMY 23
8/15 low since midnight is 66F; normal low is now 62F
DAILY RECORDS FOR AUGUST 2015
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR AUGUST 15
HIGH 95F IN 1928
LOW 47F IN 1964
PRECIP 1.89 INCHES IN 2011
PEAK GUST 44e MPH S IN 1941
RECORDS FOR AUGUST 16
HIGH 95F IN 1944
LOW 50F IN 1927
PRECIP 1.47 INCHES IN 1926
PEAK GUST 45e MPH N IN 1951
TODAY’S REPORT PREPARED BY: Mike Iacono
