Saturday, June 7, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, JUNE 7, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

MOSTLY SUNNY AND WARMER TODAY…

The sky was mostly clear at sunrise this morning with just a
few altocumulus in the distance.  Small cumulus began building
later in the morning and continued into the afternoon.  After
a morning low of 56F, the temperature has climbed to near 80F
as of the 1 PM EST observation. Visibility was a hazy 70 miles
early this morning, then it dropped to around 40 miles at
mid-afternoon. By early afternoon, the visibility had climbed
back up to 70 miles with light distant haze.

Today’s Observations:

7 A.M.
Weather: Clear, few altocumulus distant SSW-W and NW, few
altocumulus castellanus distant SW, light distant haze
Temperature: 64F; Dew Point: 54F; Wind: NW at 8 kts
Sea-level pressure: 29.94 ins. Hg, rising, then more rapidly
Visibility: 70 miles, light distant haze
6-hr max temp: 64F
6-hr min temp: 56F
BHO SA 1155 CLR 70 138/64/54/3208/994/ FEW AC DSNT SSW-W AND NW
FEW ACCAS DSNT SW LT DSNT HZ/ 8/030 53009 10064 20056

10 A.M.
Weather: Scattered cumulus, scattered cirrus, few cumulus
fractus all quadrants, hazy
Temperature: 75F; Dew Point: 57F; Wind: NW at 8 kts
Sea-level pressure: 29.96 ins. Hg, rising
Visibility: 40 miles, hazy
BHO SA 1455 30 SCT 250 SCT 40 144/75/57/3108/996/ FEW CUFRA ALQDS
HAZY/ 8/101 51006

1 P.M.
Weather: Scattered cumulus, few moderate cumulus, light
distant haze
Temperature: 79F; Dew Point: 55F; Wind: W at 7 kts
Sea-level pressure: 29.93 ins. Hg, falling
Visibility: 70 miles
6-hr max temp: 80F
6-hr min temp: 64F
BHO SA 1755 55 SCT 70 135/79/55/2707/993/ FEW MDT CU LGT DSNT HZ/
8/100 58009 10080 20064

WEATHER SUMMARY FOR FRIDAY, JUNE 6, 2014

TEMPERATURE (DEGREES F)
MAX…..73    NORMAL…..72
MIN…..54    NORMAL…..54
MEAN….64    NORMAL…..63

DEPARTURE FROM 30-YEAR NORMAL……………………..+1
TOTAL DEPARTURE FOR THE MONTH……………………..+1 [0.0 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………1  DEPARTURE……….-3
TOTAL HEATING UNITS FOR THE MONTH…………..20  DEPARTURE……….-6
TOTAL HEATING UNITS FOR THE SEASON………..6414  DEPARTURE………+85
TOTAL HEATING UNITS LAST SEASON TO DATE……5744  DIFFERENCE…….+670

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0   DEPARTURE……….-2
TOTAL COOLING UNITS FOR THE MONTH…………..6   DEPARTURE……….-5
TOTAL COOLING UNITS FOR THE SEASON…………19   DEPARTURE………-16
TOTAL COOLING UNITS LAST SEASON TO DATE…….57   DIFFERENCE……..-38

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………22  WNW AT   2:36 P.M.
ASOS…………………..25  W   AT   2:36 P.M.
DAVIS………………….22  WNW AT  11:16 A.M. RMY 23
FASTEST MILE FOR YESTERDAY………………..17  WNW AT   3:10 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE……………..18  W   AT   2:37 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….16  W   AT   2:37 P.M.
AVERAGE WIND SPEED AND DIRECTION…………11.5  NWN
ASOS…………………10.9
DAVIS…………………9.7  WNW [290 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……….+0.02
ASOS…………..1.00
TOTAL PRECIPITATION FOR THE YEAR……….23.36  DEPARTURE……….-0.30
ASOS………….23.72 *
* Corrected

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/…/..              21 NNW RMY 21
6/2  81/52/67/+5//0.00/…/..             22 SSW RMY 23
6/3  81/57/69/+7/…./…/..              25 SSE RMY 28
6/4  64/52/58/-5/…./…/..              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  morning low temp: 56F; 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 7
HIGH 93F IN 1999
LOW 40F IN 1932
PRECIP 4.01 INS IN 2006
PEAK GUST 58 MPH NE IN 1982

RECORDS FOR JUNE 8
HIGH 94F IN 1984
LOW 37F IN 1932
PRECIP 1.53 INS IN 1947
PEAK GUST 86e MPH WNW IN 1946 [Record for month]

TODAY’S REPORT PREPARED BY: Mike Iacono