Friday, July 25, 2014
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, JULY 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
VERY COOL THIS MORNING WITH LOW OF 56F
COOLEST MORNING SINCE 55F ON JULY 5
THE RECORD LOW 51F IN 1901,1953
HAZE INCREASING STEADILY AND QUITE RAPIDLY
After the coolest start to the day since July 5, and
under bright sunny skies our temperatures have risen
through the 70’s today to 78F by 2 P.M. EDT.
Haze aloft is observed in the sky which may be some
smoke from forest fires far to our west and northwest.
Surface visibility has decreased steadily all day going
from 50 miles at 8 A.M. EDT to only 15 miles at 2 P.M!
Today’s Observations:
7 A.M.
Weather: Clear, few cirru distant ENE-SSE
Temperature: 62F; Dew Point: 54F; Wind: N at 5 kts
Sea-level pressure: 29.98 ins. Hg, rising, then more slowly
Visibility: 50 miles, distant haze
6-hr min temp: 56F
24-hr precip: none
BHO SA 1155 CLR 50 151/62/54/3505/998/ FEW CI DSNT ENE-SSE
DSNT HZ/ 8/001 51012 10062 20056
10 A.M.
Weather: Clear, perfectly clear, [SKC], haze aloft
Temperature: 72F; Dew Point: 53F; Wind: NNW at 5 kts,
Wind: Light
Sea-level pressure: 30.00 ins. Hg, rising, then more slowly
Visibility: 40 miles, NE 35 miles, WNW 50 miles, distant haze increasing
BHO SA 1455 CLR 40 160/72/53/3305/000/ SKC HZ ALF DSNT HZ INCRSNG
SBY WNW 45 NE 35 WND LGT/ 51009
1 P.M.
Weather: Clear, few small cumulus fractus, cumulus, haze aloft
Temperature: 78F; Dew Point: 55F; Wind: WNW at 5 kts,
Wind: Light
Sea-level pressure: 29.97 ins. Hg, falling
Visibility: 15 miles, except 20 miles WNW, haze increasing
6-hr max temp: 78F
6-hr min temp: 63F
6-hr precip: None
BHO SA 1755 CLR 15 148/78/55/3005/997/ FEW SML CUFRA/CU HZ ALF
SFC HZ INCRSNG VSBY WNW 20 WND LGT/ 8/100 57012 10078 20063
WEATHER SUMMARY FOR THURSDAY, JULY 24, 2014
TEMPERATURE (DEGREES F)
MAX…..74 NORMAL…..81
MIN…..63 NORMAL…..63
MEAN….69 NORMAL…..72
DEPARTURE FROM 30-YEAR NORMAL…………………….-3
TOTAL DEPARTURE FOR THE MONTH……………………+31 [+1.1 DEGREES/DAY]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..4 DEPARTURE……….-4
TOTAL COOLING UNITS FOR THE MONTH…………190 DEPARTURE………+21
TOTAL COOLING UNITS FOR THE SEASON………..299 DEPARTURE……….+1
TOTAL COOLING UNITS LAST SEASON TO DATE……449 DIFFERENCE…….-150
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………18 ENE AT 11:31 A.M.
ASOS…………………..19 ENE AT 11:31 A.M.
DAVIS………………….17 ENE AT 10:50 A.M. RMY 18
FASTEST MILE FOR YESTERDAY………………..14 ENE AT 12:22 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..14 E AT 12:46 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….13 ENE AT 11:36 A.M.
AVERAGE WIND SPEED AND DIRECTION…………. 7.0
ASOS…………………..7.6
DAVIS………………… 6.2 NNE [030]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…trace DEPARTURE……….-0.13
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….4.36 DEPARTURE……….+0.40
ASOS…………..4.32
TOTAL PRECIPITATION FOR THE YEAR……….28.91 DEPARTURE……….-2.02
ASOS………….28.83
PRELIMINARY CLIMATE SUMMARY FOR JULY 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
7/1 85/66/76/+6/0.00/695/76 31 SSW RMY 36
7/2 89/69/79/+9/T/639/70 33 SSW RMY 38
7/3 91/68/80/+9/0.05/611/67 29 W RMY 30 TSTM
7/4 72/61/67/-4/2.48/027/03 28 N RMY N/A TSTM
7/5 77/55/66/-5/0.27/738/81 36 NW RMY N/A
7/6 83/61/72/+1/0.00/892/98 29 SW RMY 33
7/7 85/65/75/+4/T/563/62 33 SW RMY 38 TSTM [NO RAIN]
7/8 89/70/80/+8/0.00/763/84 31 SW RMY 38
7/9 86/70/78/+6/0.00/779/86 28 SSW RMY N/A
7/10 80/65/73/+1/0.00/597/66 16 NW RMY N/A
7/11 76/62/69/-3/0.00/732/81 22 NE RMY N/A
7/12 85/60/73/+1/0.00/849/94 21 S RMY 25
7/13 82/64/73/+1/0.01/676/75 31 S RMY 35
7/14 83/69/76/+4/0.54/207/23 25 S RMY 27
7/15 82/70/76/+4/0.02/135/15 26 S RMY 29 TSTM
7/16 73/65/69/-3/0.98/000/00 27 SSW RMY 32 TSTM
7/17 79/62/71/-1/T/…/.. 15 WSW RMY 17
7/18 80/60/70/-2/0.00/…/.. 15 NW RMY 16
7/19 77/63/70/-2/0.00/…/.. 13 E RMY 14
7/20 72/60/66/-6/T/…/.. 16 ENE RMY 16
7/21 76/59/68/-4/0.00/…/.. 16 E RMY 19
7/22 88/63/76/+4/0.00/…/.. 22 SSW RMY 25
7/23 88/68/78/+6/0.00/…/.. 29 S RMY 32
7/24 74/63/69/-3/0.01/…/.. 18 ENE RMY 18
7/25 morning low of 56F; the normal low is now 63F
DAILY RECORDS FOR JULY 2014:
7/4 NEW DAILY RECORD RAINFALL OF 2.48 ins;
surpasses previous record of 1.78 ins. in 1950
7/16 NEW DAILY RECORD RAINFALL OF 0.98 ins;
surpasses previous record of 0.89 ins. in 1919
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JULY 25
HIGH 94F IN 1963,1987
LOW 51F IN 1901,1953
PRECIP 2.25 INS IN 1990
PEAK GUST 88 MPH NW IN 1972
RECORDS FOR JULY 26
HIGH 97F IN 1963
LOW 47F IN 1920
PRE 2.05 INS IN 1899
WIND 74e MPH NNW IN 1940
TODAY’S REPORT PREPARED BY: Robert Skilling
