Monday, October 27, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, OCTOBER 27, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
TWO BRIEF SHOWERS PRODUCE A TRACE OF RAIN FOR SUNDAY,
CLEAR, CRISP SKIES TO START MONDAY
Very clear skies were present for the 7:00 AM EST observation
with only a few cumulus and altocumulus present in the distance
both to the West and East. Visibility of 80 miles was reported
for all directions.
After careful analysis of our instrumentation, Blue Hill
Observatory has officially broken two back-to-back daily
precipitation records for October 22nd and 23rd of this
year. The details:
RECORDS FOR OCTOBER 22
PREVIOUS RECORD 1.37 INCHES IN 1898
NEW RECORD 2.38 INCHES IN 2014
RECORDS FOR OCTOBER 23
PREVIOUS RECORD 2.18 INCHES IN 1956
NEW RECORD 3.66 INCHES IN 2014
Today’s Observations:
7 A.M.
Weather: Clear, few cumulus distant E-ESE and W-N,
few altocumulus distant NE and E-ESE and WNW
Temperature: 45F; Dew Point: 42F; Wind: W at 15 kts,
Sea-level pressure: 29.84 ins. Hg, rising, then more quickly
Visibility: 80 miles
6-hr max temp: 45F
6-hr min temp: 42F
24-hr precip: Trace
BHO SA 1155 CLR 80 105/45/42/2815/984/ FEW CU DSNT E-ESE AND W-N
FEW AC DSNT NE AND E-ESE AND WNW/ 8/160 53022 MANUAL 7000/ 10045 20042
10 A.M.
Weather: Clear, few small cumulus in all directions
Temperature: 55F; Dew Point: 39F; Wind: NW at 9G21 kts,
Sea-level pressure: 29.89 ins. Hg, rising, then more slowly
Visibility: 80 miles
BHO SA 1455 CLR 80 123/55/39/3109G21/989/ FEW SML CU ALQDS/ 8/100 51018
1 P.M.
Weather: Clear, few small cumulus distant SW-NNE
Temperature: 61F; Dew Point: 37F; Wind: WNW at 15G21 kts,
Sea-level pressure: 29.89 ins. Hg, about the same
Visibility: 80 miles
6-hr max temp: 61
6-hr min temp: 45
6-hr precip: 0.00
BHO SA 1755 CLR 80 123/61/37/2915G21/989/ FEW SML CU DSNT SW-NNE/ 8/100
51000 10061 20045
WEATHER SUMMARY FOR SUNDAY, OCTOBER 26, 2014
TEMPERATURE (DEGREES F)
MAX…..57 NORMAL…..57
MIN…..43 NORMAL…..39
MEAN….50 NORMAL…..48
DEPARTURE FROM 30-YEAR NORMAL…………………….+2
TOTAL DEPARTURE FOR THE MONTH……………………+70 [+2.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..15 DEPARTURE………..-2
TOTAL HEATING UNITS FOR THE MONTH………….264 DEPARTURE……….-69
TOTAL HEATING UNITS FOR THE SEASON…………365 DEPARTURE………-110
TOTAL HEATING UNITS LAST SEASON TO DATE…….383 DIFFERENCE………-18
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………37 W AT 3:43 P.M.
ASOS…………………..41 W AT 3:43 P.M.
DAVIS………………….37 WNW AT 4:10 P.M. RMY 39
FASTEST MILE FOR YESTERDAY………………..31 W AT 3:43 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..30 W AT 3:44 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….26 W AT 3:50 P.M.
AVERAGE WIND SPEED AND DIRECTION………….15.9 W
ASOS………………….15.7
DAVIS…………………13.6 W (276 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……..-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….9.86 DEPARTURE……..+5.95
ASOS…………..9.99
TOTAL PRECIPITATION FOR THE YEAR……….41.45 DEPARTURE……..-1.54
ASOS………….41.79
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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
10/1 56/55/56/-1/1.63/000/00 33 NE RMY 36
10/2 55/47/51/-6/0.29/000/00 30 NE RMY N/A
10/3 54/46/50/-6/0.05/000/00 20 NE RMY 20
10/4 63/52/58/+2/0.30/000/00 30 SE RMY 32
10/5 60/45/53/-3/0.00/658/95 26 W RMY 28
10/6 66/42/54/-1/0.00/669/97 25 SSE RMY N/A
10/7 72/54/63/+8/0.01/281/38 43 S RMY 49
10/8 72/53/63/+9/0.01/562/82 40 S RMY N/A
10/9 64/48/56/+2/0.00/648/95 35 W RMY 39
10/10 63/43/53/-1/0.00/489/72 23 W RMY N/A
10/11 50/43/47/-6/0.35/000/00 15 N RMY N/A
10/12 60/40/50/-3/0.00/681/100 20 NW RMY N/A
10/13 61/45/53/+0/0.00/054/08 23 S RMY 25
10/14 75/58/67/+15/0.00/448/67 29 S RMY 31
10/15 79/62/71/+18/0.02/…/.. 32 SSW RMY 36
10/16 70/60/65/+14/0.60/000/00 37 S RMY 41
10/17 71/57/64/+13/0.00/…/.. 28 SW RMY 30
10/18 71/52/62/+11/0.24/…/.. 28 WNW RMY 30 TSTM
10/19 55/39/47/-3/0.00/…/.. 28 NW RMY 29
10/20 56/33/45/-5/0.00/…/.. 23 SW RMY 25
10/21 61/49/55/+5/0.16/…/.. 17 NNE RMY N/A
10/22 54/48/51/+2/2.38/000/00 58 NE RMY 58 TSTM
10/23 53/47/50/+1/3.66/000/00 43 N RMY N/A
10/24 52/43/48/-1/0.16/000/00 25 NNW RMY N/A
10/25 63/41/52/+3/0.00/…/.. 21 WSW RMY N/A
10/26 57/43/50/+2/T/…/.. 37 W RMY 39
10/27 morning low temp: 42F since midnight; normal low now 39F
DAILY RECORDS FOR OCTOBER 2014:
10/1 – A NEW RECORD DAILY PRECIPITATION OF 1.63 INCHES;
surpasses the previous record of 1.44 ins. in 1984
10/22 – A NEW RECORD DAILY PRECIPITATION OF 2.38 INCHES;
surpasses the previous record of 1.37 ins. in 1898
10/23 – A NEW RECORD DAILY PRECIPITATION OF 3.66 INCHES;
surpasses the previous record of 2.18 ins. in 1956
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 27
HIGH 83F IN 1963
LOW 21F IN 1936
PRE 1.79 INCHES IN 1886
SNOW 2.5 INCHES IN 2011
WIND 54 MPH WNW IN 1968
RECORDS FOR OCTOBER 28
HIGH 81F IN 1919
LOW 23F IN 1914
PRECIP 2.46 INCHES IN 2006
SNOWFALL TRACE IN 1934,1957,1979
PEAK GUST 71 MPH SSW IN 1995
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
