Monday, June 9, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JUNE 9, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

CLOUDS AND HUMIDITY ARRIVE TO END A WARM AND CALM WEEKEND

Above average temperatures have remained in place today, though
reaching yesterday’s maximum of 84F looks well out of the picture by
1:00 PM EST today. Altocumulus, altostratus and cirrostratus have
invaded from the southwest, putting an end to a very clear, warm
and dry weekend.

Today’s Observations:

7 A.M.
Weather: Broken altostratus, broken cirrostratus,
few altocumulus distant in all directions
Temperature: 67F; Dew Point: 53F; Wind: SW at 9 kts
Sea-level pressure: 29.97 ins. Hg, rising, then more quickly
Visibility: 35 miles, obscured by thin fog in all directions
6-hr max temp: 67F
6-hr min temp: 63F
24-hr precip: none
BHO SA 1155 E160 BKN 200 BKN 35 150/67/53/2309/997/
FEW AC DSNT ALQDS THN FG ALQDS/ 8/016 53010 10067 20063

10 A.M.
Weather: Broken altocumulus, overcast altostratus
Temperature: 72F; Dew Point: 58F; Wind: estimated SW at 6 kts
Wind Speed: Light
Sea-level pressure: 29.98 ins. Hg, steady, then rising
Visibility: 30 miles, obscured by thin fog in all directions
BHO SA 1455 E110 BKN 140 OVC 30 151/72/58/E2206/998/
THN FG ALQDS WND LGT/ 8/07/ 53001

1 P.M.
Weather: Scattered altocumulus, broken altostratus, thin overcast
of cirrocumulus/cirrostratus, few cumulus distant WNW-NNW
Temperature: 77F; Dew Point: 57F; Wind: SSW at 10 kts
Sea-level pressure: 29.99 ins. Hg, rising, then steady
Visibility: 25 miles, light fog and haze in all directions
6-hr max temp: 77F
6-hr min temp: 67F
BHO SA 1755 100 SCT E140 BKN 200 –OVC 25 155/77/57/2110/999/
FEW CU DSNT WNW-NNW LGT FG AND HZ ALQDS/ 8/129 51004 10077 20067

WEATHER SUMMARY FOR SUNDAY, JUNE 8, 2014

TEMPERATURE (DEGREES F)
MAX…..84    NORMAL…..73
MIN…..63    NORMAL…..55
MEAN….74    NORMAL…..64

DEPARTURE FROM 30-YEAR NORMAL…………………….+10
TOTAL DEPARTURE FOR THE MONTH…………………….+16 [+1.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………0  DEPARTURE……….-4
TOTAL HEATING UNITS FOR THE MONTH…………..20  DEPARTURE………-13
TOTAL HEATING UNITS FOR THE SEASON………..6414  DEPARTURE………+78
TOTAL HEATING UNITS LAST SEASON TO DATE……5755  DIFFERENCE…. ..+659

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..9   DEPARTURE……….+7
TOTAL COOLING UNITS FOR THE MONTH………….19   DEPARTURE……….+3
TOTAL COOLING UNITS FOR THE SEASON…………32   DEPARTURE……….-8
TOTAL COOLING UNITS LAST SEASON TO DATE…….57   DIFFERENCE……..-25

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………18  SW  AT  11:18 P.M.*
ASOS…………………..19  SW  AT  11:18 P.M.
DAVIS………………….17  SSW AT  10:32 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..14  SW  AT  11:18 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..14  SW  AT  11:32 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….13  SSW AT  10:14 P.M.
AVERAGE WIND SPEED AND DIRECTION………….7.5  NNW
ASOS………………….7.6
DAVIS…………………6.5  W [272 deg] *…LAST OF SEVERAL OCCURRENCES

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.17
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.02  DEPARTURE……….-0.31
ASOS…………..1.00
TOTAL PRECIPITATION FOR THE YEAR……….23.36  DEPARTURE……….-0.63
ASOS………….23.72

PRELIMINARY CLIMATE SUMMARY FOR JUNE 2014 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

6/1  72/47/60/-2/0.00/887/98              21 NNW RMY 21
6/2  81/52/67/+5//0.00/879/97             22 SSW RMY 23
6/3  81/57/69/+7/…./889/98              25 SSE RMY 28
6/4  64/52/58/-5/…./000/00              16 SE  RMY N/A
6/5  60/55/58/-5/…./000/00              21 NNW RMY 24
6/6  73/54/64/+1/0.00/…/..              22 WNW RMY 23
6/7  82/56/69/+5/0.00/…/..              21 W   RMY 22
6/8  84/63/74/+10/0.00/…/..             18 SW  RMY N/A

6/9  morning low temp: 63F; the normal low is now 55F

DAILY RECORDS FOR JUNE 2014
None so far.

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

RECORDS FOR JUNE 9
HIGH 94F IN 2008
LOW 40F IN 1980
PRECIP 2.08 INCHES IN 1931
PEAK GUST 67 MPH NW IN 1973

RECORDS FOR JUNE 10
HIGH 98F IN 2008
LOW 42F IN 1913,1920
PRECIP 2.51 INCHES IN 1931
PEAK GUST 60e MPH NW IN 1941

TODAY’S REPORT PREPARED BY: Brian Fitzgerald