Saturday, August 30, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, AUGUST 30, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

ANOTHER BEAUTIFUL SUNNY, WARM AND DRY DAY TODAY

The day started with a cool morning low in the middle 50s,
and the temperature has climbed to the middle 70s by
early afternoon. The high has been 77F as of 2 PM EDT.
The visibility was relatively low this morning at 40 miles,
though this has climbed to near 75 miles as of early
afternoon.

Tomorrow is the 60th anniversary of Hurricane Carol.

Today’s Observations:

7 A.M.
Weather: Thin scattered cirrus, few stratocumulus distant ENE,
few cumulus distant WSW-N, few altocumulus NW-NNE few lower dense
cirrus, NNE-NE, hazy
Temperature: 61F; Dew Point: 56F; Wind: SSE at 8 kts,
Sea-level pressure: 30.31 ins. Hg, rising then more rapidly
Visibility: 40 miles, visibility W-NW 30, hazy
6-hr max temp: 61F
6-hr min temp: 55F
24-hr precip: 0.00
BHO SA 1155 250 -SCT 40 265/61/56/1608/031/ FEW SC DSNT ENE
FEW CU DSNT WSW-N FEW AC NW-NNE FEW LWR DNS CI NNE-NE VSBY
W-NW 30 HAZY/ 8/131 53006 10061 20055

10 A.M.
Weather: Scattered cumulus, thin scattered cirrus, few lower
cirrus, light distant haze
Temperature: 71F; Dew Point: 55F; Wind: S at 8 kts,
Sea-level pressure: 30.29 ins. Hg, falling
Visibility: 75 miles, light distant haze
BHO SA 1455 20 SCT 250 -SCT 75 259/71/55/1908/029/ FEW LWR CI
LGT DSNT HZ/ 8/101 56006

1 P.M.
Weather: Scattered cumulus, thin scattered cirrus
Temperature: 76F; Dew Point: 51F; Wind: S at 10 kts,
Sea-level pressure: 30.25 ins. Hg, falling
Visibility: 75 miles
6-hr max. temp: 77F
6-hr min. temp: 61F
BHO SA 1755 40 SCT 250 -SCT 75 243/76/51/1810/025/ 8/101 56016
10077 20061

WEATHER SUMMARY FOR FRIDAY, AUGUST 29, 2014

TEMPERATURE (DEGREES F)
MAX…..73    NORMAL…..77
MIN…..54    NORMAL…..60
MEAN….64    NORMAL…..69

DEPARTURE FROM 30-YEAR NORMAL…………………….-5
TOTAL DEPARTURE FOR THE MONTH……………………-36 [-1.4 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0   DEPARTURE………..-4
TOTAL COOLING UNITS FOR THE MONTH…………133   DEPARTURE……….-45
TOTAL COOLING UNITS FOR THE SEASON………..470   DEPARTURE……….-59
TOTAL COOLING UNITS LAST SEASON TO DATE……626   DIFFERENCE……..-156

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………18 E   AT 10:18 A.M. *
ASOS…………………..20 NE  AT  8:45 A.M.
DAVIS………………….19 E   AT 10:18 A.M. RMY 21
FASTEST MILE FOR YESTERDAY………………..14 NW  AT  1:32 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..15 E   AT 12:49 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….14 NE  AT  8:56 A.M.
AVERAGE WIND SPEED AND DIRECTION…………..10.3 NE
ASOS……………………9.9
DAVIS…………………..8.4 NNE [032 deg.] * last of several occurrences…

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 AUGUST………….1.48  DEPARTURE……….-2.33
ASOS…………..1.43
TOTAL PRECIPITATION FOR THE YEAR……….31.11  DEPARTURE……….-3.69
ASOS………….31.36 *
* Corrected

PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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

8/1  86/63/75/+3/0.00/598/69              25 S   RMY 29
8/2  68/59/64/-8/0.11/009/01              21 ESE RMY 22
8/3  71/60/66/-6/0.01/104/12              12 SE  RMY 12
8/4  83/64/74/+2/0.00/550/64              20 S   RMY 21
8/5  87/66/77/+5/0.00/798/93              17 S   RMY 19
8/6  79/64/72/0/0.07/462/54               23 WNW RMY 25
8/7  79/58/69/-3/T/589/69                 22 NW  RMY 24 TSTM
8/8  82/55/69/-3/0.00/817/96              20 WNW RMY 20
8/9  82/60/71/-1/0.00/730/86              16 WNW RMY 17
8/10 84/63/74/+3/0.00/770/91              15 W   RMY N/A
8/11 85/63/74/+3/0.00/667/79              25 S   RMY 29
8/12 81/64/73/+2/0.00/387/46              25 SSE RMY N/A
8/13 69/61/65/-6/1.09/000/00              35 ESE RMY 37
8/14 73/57/65/-6/0.00/828/99              27 W   RMY 29
8/15 74/56/65/-6/0.09/459/55              23 W   RMY 23 TSTM
8/16 76/56/66/-5/0.00/640/77              24 SW  RMY 27
8/17 78/60/69/-2/0.01/555/67              21 WNW RMY 23
8/18 77/56/67/-4/0.00/776/94              23 WNW RMY 25 *
8/19 78/54/66/-4/0.00/816/99              17 WNW RMY 17
8/20 78/58/68/-2/0.00/813/99              15 NE  RMY 15
8/21 76/58/67/-3/T/434/53                 16 ENE RMY 17
8/22 71/60/66/-4/0.07/057/07              17 NE  RMY 19
8/23 71/58/65/-5/0.00/618/76              22 ENE RMY 25
8/24 78/58/68/-2/0.00/811/100             16 ENE RMY N/A
8/25 85/63/74/+5/0.00/808/100             16 NW  RMY 17
8/26 89/62/70/+7/0.00/…/..              20 SSW RMY 23
8/27 89/64/77/+8/0.03/…/..              23 SW  RMY 25
8/28 80/59/70/+1/0.00/…/..              25 NW  RMY 28
8/29 73/54/64/-5/0.00/…/..              18 E   RMY 21

8/30 morning low temp: 55F; normal low now 60F

* Sunshine for the 18th corrected from 777 to 776 minutes.

DAILY RECORDS FOR AUGUST 2014:
None so far.

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR AUGUST 30
HIGH 94F IN 1953
LOW 39F IN 1965
PRECIP 2.75 INCHES IN 1936
PEAK GUST 43 MPH NW IN 1965

RECORDS FOR AUGUST 31
HIGH 94F IN 1953
LOW 42F IN 1976
PRECIP 2.46 INCHES IN 1954
PEAK GUST 125 MPH SE IN 1954 [CAROL – RECORD FOR MONTH]

TODAY’S REPORT PREPARED BY: Mike Iacono