Sunday, August 10, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, AUGUST 10, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

SUNNY, COMFORTABLE CONDITIONS PERSIST ON BLUE HILL

Saturday brought another day of comfortable temperatures
and continued clear skies. A day time high of 82F and morning
low of 60F combined for an almost perfectly normal day, just
1 degree cooler than the 30-year norm.

Dry conditions have persisted through this morning, and look
to persist through the next several days, likely adding to
our -1.13 inch deficit for the month so far, and our -2.49
inch deficit for the year.

Today’s Observations:

7 A.M.
Weather: Few cirrus fibratus distant SW-NNW,
few cirrostratus distant NE-SE
Temperature: 69F; Dew Point: 57F; Wind: NNW at 9 kts
Sea-level pressure: 30.13 ins. Hg, rising, then more quickly
Visibility: 50 miles, light distant haze
6-hr max temp: 69F
6-hr min temp: 63F
24-hr precip: None
BHO SA 1155 CLR 50 203/69/57/3509/013/ FEW CI DSNT SW-NNW
FEW CS DSNT NE-SE LGT DSNT HZ ALQDS/ 8/008 53009 10069 20063

10 A.M.
Weather: Few cumulus WNW-NW, scattered cirrus fibratus
Temperature: 79F; Dew Point: 53F; Wind: estimated N at 5 kts,
Wind Speed: Light
Sea-level pressure: 30.15 ins. Hg, rising, then more slowly
Visibility: 50 miles, light distant haze
BHO SA 1455 250 SCT 50 210/79/53/E3505/015/ FEW CU WNW-NW
LGT DSNT HZ ALQDS WND LGT/ 8/101 51007

1 P.M.
Weather: Scattered cumulus, broken altocumulus,
broken cirrus fibratus
Temperature: 83F; Dew Point: 51F; Wind: estimated WNW at 4 kts
Wind Speed and Direction: Light and variable
Sea-level pressure: 30.13 ins. Hg, falling, then more slowly
Visibility: 50 miles, light distant haze
6-hr max. temp: 84F
6-hr min. temp: 69F
BHO SA 1755 50 SCT E180 BKN 280 BKN 50 202/83/51/E3004/013/
LGT DSNT HZ ALQDS WND LGT AND VRB/ 8/131 56008 10084 20069

WEATHER SUMMARY FOR SATURDAY, AUGUST 9, 2014

TEMPERATURE (DEGREES F)
MAX…..82    NORMAL…..80
MIN…..60    NORMAL…..63
MEAN….71    NORMAL…..72

DEPARTURE FROM 30-YEAR NORMAL…………………….-1
TOTAL DEPARTURE FOR THE MONTH……………………-11 [-1.0 DEGREE/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..6   DEPARTURE………..-1
TOTAL COOLING UNITS FOR THE MONTH………….53   DEPARTURE……….-11
TOTAL COOLING UNITS FOR THE SEASON………..390   DEPARTURE……….-25
TOTAL COOLING UNITS LAST SEASON TO DATE……526   DIFFERENCE……..-136

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………16  WNW  AT  6:18 A.M.
ASOS…………………..17  S    AT  7:03 P.M.
DAVIS………………….16  WNW  AT  6:18 A.M. RMY 17
FASTEST MILE FOR YESTERDAY………………..12  S    AT  7:50 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..14  SSW  AT  7:55 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….13  S    AT  7:55 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..7.8 NW
ASOS…………………..8.6
DAVIS………………….7.1 NW  [308 deg.] * last of several occurrences…

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……….-0.14
ASOS…………..0.00
TOTAL PRECIPITATION FOR AUGUST………….0.19  DEPARTURE……….-1.13
ASOS…………..0.15
TOTAL PRECIPITATION FOR THE YEAR……….29.71  DEPARTURE……….-2.49
ASOS………….32.03

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/…./009/01              21 ESE RMY 22
8/3  71/60/66/-6/…./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  79/64/72/0/0.06/…/..               23 WNW RMY 25
8/7  79/58/69/-3/T/…/..                 22 NW  RMY 24 TSTM
8/8  82/55/69/-3/0.00/…/..              20 WNW RMY 20
8/9  82/60/71/-1/0.00/…/..              16 WNW RMY 17

8/10  morning low of 63F; the normal low is now 63F

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 10
HIGH 101F IN 1949 [STATION RECORD MAXIMUM – Tied with 8/2/1975] LOW 49F IN 1964
PRE 2.27 INS IN 1952
PEAK GUST 88e MPH S IN 1976

RECORDS FOR AUGUST 11
HIGH 97F IN 1944
LOW 49F IN 1972
PRECIP 3.13 INCHES IN 1990
PEAK GUST 44 MPH SW IN 1971

TODAY’S REPORT PREPARED BY: Brian Fitzgerald