Wednesday, July 2, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JULY 2, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

HOT AND HUMID DAY ON THE HILL, MAXIMUM AT 89F, MAKES
FOR WARMEST DAY OF THE YEAR SO FAR

Humid conditions have prevailed on the hill today, with
clouds generally increasing throughout the morning.
89F represents the warmest reading so far this year along
with some very high dew points in the lower 70s.

Check back tomorrow for preliminary monthly statistics as we
start to wrap up the month of June.

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus castellanus, cirrostratus
Temperature: 75F; Dew Point: 69F; Wind: SSW at 10 kts,
Sea-level pressure: 29.91 ins. Hg, rising, then steady
Visibility: 20 miles, hazy in all directions
6-hr max temp: 75F
6-hr min temp: 69F
BHO SA 1155 60 SCT 300 –SCT 20 129/75/69/2110/991/
ACC ALQDS VC STN DSSPTNG PST HR HAZY/ 8/088 51007 10075 20069

10 A.M.
Weather: Few small cumulus fractus/cumulus forming WSW-W
Temperature: 84F; Dew Point: 73F; Wind: SSW at 12 kts,
Sea-level pressure: 29.92 ins. Hg, steady, then rising
Visibility: 20 miles, hazy in all directions
BHO SA 1455 CLR 20 132/84/73/2012/992/ FEW SML CUFRA/CU FRMG WSW-W
HAZY/ 8/100 53003

1 P.M.
Weather: Few cumulus fractus/cumulus in all directions,
cumulonimbus anvil 50 miles distant WNW, few towering cumulus
distant WNW-NW
Temperature: 87F; Dew Point: 72F; Wind: SSW at 18G25 kts,
Sea-level pressure: 29.90 Hg, steady, then falling
Visibility: 20 miles, hazy
6-hr max temp: 89F
6-hr min temp: 75F
BHO SA 1755 CLR 20 125/87/72/2018G25/990/ CUFRA/CU ALQDS
CB ANVIL 50 WNW FEW TCU DSNT WNW-NW HAZY/ 8/203 58007 10089 20075

WEATHER SUMMARY FOR TUESDAY, JULY 1, 2014

TEMPERATURE (DEGREES F)
MAX…..85    NORMAL…..79
MIN…..66    NORMAL…..61
MEAN….76    NORMAL…..70

DEPARTURE FROM 30-YEAR NORMAL…………………….+6
TOTAL DEPARTURE FOR THE MONTH…………………….+6 [+5.8 DEGREE/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY………….11   DEPARTURE……….+5
TOTAL COOLING UNITS FOR THE MONTH………….11   DEPARTURE……….+5
TOTAL COOLING UNITS FOR THE SEASON………..120   DEPARTURE………-15
TOTAL COOLING UNITS LAST SEASON TO DATE……167   DIFFERENCE……..-47

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………31  SSW  AT 5:47 P.M.
ASOS…………………..36  SsW  AT 5:47 P.M.
DAVIS………………….36  SSW  AT N/A RMY 36
FASTEST MILE FOR YESTERDAY………………..24  SSW  AT 5:07 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..26  SSW  AT 7:07 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….25  SSW  AT N/A
AVERAGE WIND SPEED AND DIRECTION………….15.1 SSW
ASOS………………….15.9
DAVIS…………………13.9  SSW [205 deg]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.11
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….2.21  DEPARTURE……….-0.11
ASOS…………..2.16
TOTAL PRECIPITATION FOR THE YEAR……….24.55  DEPARTURE……….-2.53
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 80/57/69/0/0.29/495/54               26 NE  RMY 27
6/27 74/56/65/-4/0.00/889/97              25 NNE RMY 24
6/28 83/60/72/+2/0.00/889/97              17 WSW RMY 18
6/29 85/60/73/+3/0.00/860/94              23 S   RMY N/A
6/30 87/61/74/+4/0.00/868/95              25 SSW RMY 26

7/1  85/66/76/+6/0.00/…/..              31 SSW RMY 36

7/2 morning low temp: 69F; the normal low is now 62F

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 JULY 2
HIGH 95F IN 1963
LOW 47F IN 1988
PRECIP 1.42 INS IN 1986
PEAK GUST 45 MPH SW IN 1999

RECORDS FOR JULY 3
HIGH 99F IN 1911
LOW 47F IN 1914
PRECIP 1.36 IN 1985
PEAK GUST 52 MPH NW IN 1963

TODAY’S REPORT PREPARED BY: Brian Fitzgerald