Monday, June 16, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JUNE 16, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

BACK TO BACK PLEASANT DAYS ON GREAT BLUE HILL

High pressure cresting overhead today has allowed for a second
day of impressively pleasant June weather with lighter winds.
Sunshine has been dominant since late in the day on Saturday,
allowing temperatures to climb to 78F yesterday and 77F by the
1:00 PM EST observation today.

Today’s Observations:

7 A.M.
Weather: Broken cirrus fibratus
Temperature: 64F; Dew Point: 51F; Wind: estimated NNW at 6 kts
Wind Speed: Light
Sea-level pressure: 30.14 ins. Hg, rising then rising more slowly
Visibility: 70 miles
6-hr max temp: 64F
6-hr min temp: 56F
24-hr precip: none
BHO SA 1155 E250 BKN 70 208/64/51/E3406/014/ WND LGT/ 8/001 51015
10064 20056

10 A.M.
Weather: Scattered cirrus fibratus, few dense cirrus
distant W-NW
Temperature: 71F; Dew Point: 46F; Wind: estimated ENE at 5 kts
Wind Speed and Direction: Light and variable
Sea-level pressure: 30.16 ins. Hg, rising, then steady
Visibility: 70 miles
BHO SA 1455 250 SCT 70 213/71/46/E0605/016/ FEW DNS CI DSNT W-NW
WND LGT AND VRB/ 8/002 51005

1 P.M.
Weather: Broken cirrus fibratus, few dense cirrus SW
Temperature: 77F; Dew Point: 48F; Wind: SSW at 7 kts,
Sea-level pressure: 30.11 ins. Hg, steady, then falling
Visibility: 70 miles
6-hr max temp: 77F
6-hr min temp: 64F
BHO SA 1755 E250 BKN 70 197/77/48/2007/011/ FEW DNS CI SW/
8/002 58016 10077 20064

WEATHER SUMMARY FOR SUNDAY, JUNE 15, 2014, FATHER’S DAY

TEMPERATURE (DEGREES F)
MAX…..78    NORMAL…..75
MIN…..53    NORMAL…..57
MEAN….66    NORMAL…..66

DEPARTURE FROM 30-YEAR NORMAL……………………..0
TOTAL DEPARTURE FOR THE MONTH…………………….+17 [+0.9 DEGREE/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………0  DEPARTURE……….-2
TOTAL HEATING UNITS FOR THE MONTH…………..27  DEPARTURE………-27
TOTAL HEATING UNITS FOR THE SEASON………..6421  DEPARTURE………+65
TOTAL HEATING UNITS LAST SEASON TO DATE……5778  DIFFERENCE…. ..+643

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..1   DEPARTURE……….-2
TOTAL COOLING UNITS FOR THE MONTH………….28   DEPARTURE……….-9
TOTAL COOLING UNITS FOR THE SEASON…………41   DEPARTURE………-20
TOTAL COOLING UNITS LAST SEASON TO DATE…….62   DIFFERENCE……..-21

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………25  NNW  AT   5:38 P.M.
ASOS…………………..28  NNW  AT   5:38 P.M.
DAVIS………………….25  WNW  AT   1:12 P.M. RMY 27
FASTEST MILE FOR YESTERDAY………………..20  NW   AT   8:58 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..21  NW   AT   9:00 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….19  NW   AT   9:00 A.M.
AVERAGE WIND SPEED AND DIRECTION…………. 12.4 NW
ASOS…………………..12.0
DAVIS………………….10.6 NW [315 deg]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…Trace  DEPARTURE……….-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.64  DEPARTURE……….-0.79
ASOS…………..1.59
TOTAL PRECIPITATION FOR THE YEAR……….23.98  DEPARTURE……….-1.11
ASOS………….24.11

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/+7/0.00/889/98              25 SSE RMY 28
6/4  64/52/58/-5/0.11/000/00              16 SE  RMY N/A
6/5  60/55/58/-5/0.91/000/00              21 NNW RMY 24
6/6  73/54/64/+1/0.00/655/72              22 WNW RMY 23
6/7  82/56/69/+5/0.00/893/98              21 W   RMY 22
6/8  84/63/74/+10/0.00/702/77             18 SW  RMY N/A
6/9  77/61/69/+5/0.13/046/05              21 WSW RMY 22
6/10 80/56/68/+3/0.10/183/20              29 ENE RMY 33
6/11 69/55/62/-3/T/439/48                 21 ENE RMY 20
6/12 70/56/63/-2/0.00/101/11              21 ESE RMY N/A
6/13 67/58/63/-2/…./000/00              25 E   RMY N/A
6/14 73/58/66/0/…./…/..               23 WNW RMY 24
6/15 78/53/66/0/0.00/…/..               25 NNW RMY 27

6/16 morning low temp: 56F; the normal low is now 57F

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 16
HIGH 92F IN 1891, 1967
LOW 44F IN 1926
PRECIP 2.17 INS IN 1931
PEAK GUST 55 MPH W IN 1958

RECORDS FOR JUNE 17
HIGH 93F IN 1894
LOW 44F IN 1920
PRECIP 2.79 INS 2001 (Sub-Tropical storm ALLISON)
PEAK GUST 55e MPH S IN 1977

TODAY’S REPORT PREPARED BY: Brian Fitzgerald