Wednesday, June 25, 2014

| June 25, 2014 | Reply
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JUNE 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

WARM AND INCREASINGLY HUMID CONDITIONS TODAY
BECOMING HOT IN MID 80’S BY EARLY AFTERNOON

REALLY FINALLY FEELS LIKE SUMMER TODAY….

Temperatures bottomed out at 62F early this morning
which was 2 degrees above the average minimum for the
date.  By early this afternoon we had reached the
mid 80’s with dew points which had risen from 64F
at 8 A.M. EDT to 68F with temperature of 85 degrees
at 2 P.M. EDT.

Tuesday continued our long stretch of dry weather, making today
the SEVENTH straight day without measurable precipitation. With
less than a week left in the month, monthly precipitation stands
at a deficit of 1.70 inches below the norm.

Today’s Observations:

7 A.M.
Weather: Scattered stratus/stratus fractus slowly dissipating,
scattered altocumulus lenticularis, patches dense cirrus north,
scattered cirrus
Temperature: 69F; Dew Point: 64F; Wind: SW at 17 kts,
Wind: Gust to 22 kts past hour
Sea-level pressure: 29.99 ins. Hg, about steady
and higher
Visibility: 25 miles, thin fog, hazy
6-hr max temp: 69F
6-hr min temp: 62F
24-hr precip: None
BHO SA 1155 9 SCT 130 SCT 180 SCT 220 SCT 250 SCT 25 156/69/64/2217/999/
STRA/STFRA SLWLY DSSPTNG PTCHS ACSL ALQDS PTCHS DNS CI N HAZY/THN F ALQDS
WND GST 22 KTS PST HR/ 8/642 53001 10069 20062

10 A.M.
Weather: Scattered cirrocumulus/cirrocumulus lenticularis,
thin scattered cirrus, cumulus fractus, cumulus forming SSE-NW, few
altocumulus lenticularis distant W-NW, cirrocumulus and cirrocumulus
lenticularis overhead
Temperature: 80F; Dew Point: 67F; Wind: SW at 12 kts,
Wind: Gust to 20 kts past hour
Sea-level pressure: 29.97 ins. Hg, falling slightly
Visibility: 25 miles, hazy
BHO SA 1455 220 SCT 250 -SCT 25 150/80/67/2212/997/ CUFRA/CU FRMG SSE-NW
FEW ACSL DSNT W-NW CC/CCSL OVHD HZY WND GST 20 KTS PST HR/ 8/149 58006

1 P.M.
Weather: Scattered cumulus, few moderate cumulus, few thin cirrus
Temperature: 85F; Dew Point: 68F; Wind: SSW at 17 kts,
Wind: Gust to 22 kts past hour
Sea-level pressure: 29.93 ins. Hg, falling, then more quickly
Visibility: 25 miles, hazy
6-hr max temp: 86F
6-hr min temp: 69F
BHO SA 1755 31 SCT 250 SCT 25 136/85/68/2117/993/ FEW MDT CU FEW THN CI
WND GST 22 KTS PST HR HAZY/ 8/201 58014 10086 20069

WEATHER SUMMARY FOR TUESDAY, JUNE 24, 2014

TEMPERATURE (DEGREES F)
MAX…..81    NORMAL…..78
MIN…..57    NORMAL…..60
MEAN….69    NORMAL…..69

DEPARTURE FROM 30-YEAR NORMAL……………………..0
TOTAL DEPARTURE FOR THE MONTH……………………+25 [+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………-40
TOTAL HEATING UNITS FOR THE SEASON………..6422  DEPARTURE………+51
TOTAL HEATING UNITS LAST SEASON TO DATE……5781  DIFFERENCE…. ..+641

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..4   DEPARTURE………..0
TOTAL COOLING UNITS FOR THE MONTH………….59   DEPARTURE………-14
TOTAL COOLING UNITS FOR THE SEASON…………72   DEPARTURE………-25
TOTAL COOLING UNITS LAST SEASON TO DATE……108   DIFFERENCE……..-36

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………29  S    AT 6:38 P.M.
ASOS…………………..33  S    AT 5:44 P.M.
DAVIS………………….34  S    AT 5:44 P.M. RMY 33
FASTEST MILE FOR YESTERDAY………………..24  S    AT 5:43 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..24  S    AT 5:45 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….23  S    AT 5:45 P.M.
AVERAGE WIND SPEED AND DIRECTION………….15.0 SSW
ASOS………………….14.6
DAVIS…………………13.6 SSW [200 deg]
* last of several occurrences…

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.12
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.92  DEPARTURE……….-1.70
ASOS…………..1.87
TOTAL PRECIPITATION FOR THE YEAR……….24.26  DEPARTURE……….-2.02
ASOS………….24.39

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 78/53/66/0/0.00/824/90               25 NNW RMY 27
6/16 79/56/68/+2/0.00/834/91              23 S   RMY N/A
6/17 81/58/70/+3/0.28/743/81              25 S   RMY 24  TSTM
6/18 83/65/74/+7/T/706/77                 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/…/..              24 NW  RMY 27
6/21 75/52/64/-4/0.00/…/..              17 NNW RMY 19
6/22 75/54/65/-3/0.00/…/..              17 N   RMY 19
6/23 80/57/69/+1/0.00/…/..              22 SSW RMY 24
6/24 81/57/69/0/0.00/…/..               29 S   RMY 33

6/25 morning low temp: 62F; the normal low is now 60F

* 6/14 – daily precip. error; was 0.04 is increased to 0.05;
has been incorrect since posted on 6/22 discussion

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 25
HIGH 93F IN 1943,1980, 2005
LOW 47F IN 1903
PRECIP 1.38 INS IN 2012
PEAK GUST 51 MPH W IN 1960

RECORDS FOR JUNE 26
HIGH 96F IN 1952
LOW 45F IN 1986
PRECIP 1.52 INS IN 1945
PEAK GUST 48 MPH N IN 1998

TODAY’S REPORT PREPARED BY: Robert Skilling

Category: Daily Discussions

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