Sunday, June 29, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JUNE 29, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

DRY CONDITIONS WRAP UP THE WEEKEND, WITH
HIGHS IN THE 80s ONCE AGAIN

High pressure remains in control today, allowing for another mostly
clear day. Upper level moisture taking the form of a thin overcast
of cirrus fibratus has prevailed through most of this morning, along
with visibility-reducing haze. Most directions have been limited to
roughly 35-40 miles throughout this morning.

Today’s Observations:

7 A.M.
Weather:  Thin overcast of cirrus fibratus, few cirrocumulus
distant NE
Temperature: 69F; Dew Point: 55F; Wind: W at 10 kts,
Sea-level pressure: 30.27 ins. Hg, rising then more slowly
Visibility: 40 miles, distant haze
6-hr max temp: 69F
6-hr min temp: 60F
BHO SA 1155 E250 -OVC 40 252/69/55/2710/027/
FEW CC DSNT NE LGT DSNT HZ ALQDS/ 8/001 51005 10069 20060

10 A.M.
Weather: Broken cirrus, few cumulus distant WNW-NE
Temperature: 80F; Dew Point: 54F; Wind: estimated S at 6 kts,
Wind: Light
Sea-level pressure: 30.24 ins. Hg, steady, then falling
Visibility: 35 miles, distant haze
BHO SA 1455 E220 BKN 35 242/80/54/E1906/024/
FEW CU DSNT WNW-NW DSNT HZ ALQDS WND LGT/ 8/102 58010

1 P.M.
Weather: Thin overcast of cirrus, few cumulus distant SW-NW
Temperature: 85F; Dew Point: 48F; Wind: S at 10 kts,
Sea-level pressure: 30.19 Hg, falling, then steady
Visibility: 30 miles, distant haze
6-hr max temp: 85F
6-hr min temp: 68F
BHO SA 1755 E250 -OVC 30 224/85/48/1810/019/
FEW CU DSNT SW-NW DSNT HZ ALQDS/ 8/102 56018 10085 20068

WEATHER SUMMARY FOR SATURDAY, JUNE 28, 2014

TEMPERATURE (DEGREES F)
MAX…..83    NORMAL…..79
MIN…..60    NORMAL…..61
MEAN….72    NORMAL…..70

DEPARTURE FROM 30-YEAR NORMAL…………………….+2
TOTAL DEPARTURE FOR THE MONTH……………………+28 [+0.8 DEGREE/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………0  DEPARTURE……….-1
TOTAL HEATING UNITS FOR THE MONTH…………..28  DEPARTURE………-44
TOTAL HEATING UNITS FOR THE SEASON………..6422  DEPARTURE………+47
TOTAL HEATING UNITS LAST SEASON TO DATE……5782  DIFFERENCE…. ..+640

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..7   DEPARTURE……….+2
TOTAL COOLING UNITS FOR THE MONTH………….79   DEPARTURE………-14
TOTAL COOLING UNITS FOR THE SEASON…………92   DEPARTURE………-25
TOTAL COOLING UNITS LAST SEASON TO DATE……136   DIFFERENCE……..-44

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………17  WSW  AT 2:21 A.M.
ASOS…………………..18  W    AT 2:21 A.M.
DAVIS………………….18  WSW  AT 2:20 A.M. RMY 18
FASTEST MILE FOR YESTERDAY………………..14  WSW  AT 2:22 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..14  W    AT 2:26 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….13  WSW  AT 2:22 A.M.
AVERAGE WIND SPEED AND DIRECTION………….6.8  ENE
ASOS………………….7.1
DAVIS…………………6.1  SSW [195 deg]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.10
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….2.21  DEPARTURE……….-1.87
ASOS…………..2.16
TOTAL PRECIPITATION FOR THE YEAR……….24.55  DEPARTURE……….-2.19
ASOS………….24.86

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/-2/0.34/000/00              25 E   RMY N/A
6/14 73/58/66/0/0.05/238/26               23 WNW RMY 24
6/15 78/53/66/0/0.00/879/96               25 NNW RMY 27
6/16 79/56/68/+2/0.00/834/91              23 S   RMY N/A
6/17 81/58/70/+3/0.28/752/82              25 S   RMY 24  TSTM
6/18 83/65/74/+7/T/715/78                 35 W   RMY 38
6/19 81/61/71/+4/0.00/559/61              24 NW  RMY 25
6/20 75/55/65/-3/0.00/889/97              24 NW  RMY 27
6/21 75/52/64/-4/0.00/770/84              17 NNW RMY 19
6/22 75/54/65/-3/0.00/734/80              17 N   RMY 19
6/23 80/57/69/+1/0.00/862/94              22 SSW RMY 24
6/24 81/57/69/0/0.00/688/75               29 S   RMY 33
6/25 86/62/74/+5/0.00/761/83              28 SSW RMY 31
6/26 80/57/69/0/0.29/…/..               26 NE  RMY 27
6/27 74/56/65/-4/0.00/…/..              25 NNE RMY 24
6/28 83/60/72/+2/0.00/…/..              17 WSW RMY 18

6/29 morning low temp: 60F; the normal low is now 61F

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 29
HIGH 93F IN 1933
LOW 42F IN 1919
PRECIP 1.60 INS IN 1889
PEAK GUST 49 MPH S IN 1957

RECORDS FOR JUNE 30
HIGH 94F IN 1964
LOW 47F IN 1919
PRECIP 3.04 INS IN 1921
PEAK GUST 51 MPH WNW IN 1957

TODAY’S REPORT PREPARED BY: Brian Fitzgerald