Saturday, October 25, 2014

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, OCTOBER 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

SKIES CLEARED OVERNIGHT AFTER BIG NOR’EASTER

Finally sunshine after a long cloudy spell so it’s
back to pleasant much milder October weather.

The new records for dates below will be figured out
before month’s end.

RECORDS FOR OCTOBER 22
PRECIP 1.37 INCHES IN 1898

RECORDS FOR OCTOBER 23
PRECIP 2.18 INCHES IN 1956

Today’s Observations:

7 A.M.
Weather: Scattered dense cirrus (2 levels), thin broken cirrus, patches of
altocumulus and altocumulus lenticularis distant W-NNE, patches of dense
cirrus all quadrants
Temperature: 43F; Dew Point: 39F; Wind: W at 12 kts,
Sea-level pressure: 29.77 ins. Hg, rising slightly
Visibility: 60 miles, NW 75 miles, light distant haze
6-hr max temp: 44F
6-hr min temp: 41F
24-hr precip: trace
BHO SA 1155 200 SCT 220 SCT 250 -BKN 60 081/43/39/2712/977/
PTCHS AC XTDNG DSNT W-NNE PTCHS DNS CI VSBY NW 75/ 8/042
53004 10044 20041

10 A.M.
Weather: Thin scattered cirrus, few lower cirrus and a few
cirrocumulus and cirrocumulus lenticularis
Temperature: 55F; Dew Point: 42F; Wind: W at 7 kts,
Sea-level pressure: 29.74 ins. Hg, falling then more quickly
Visibility: 70 miles, NW 75 miles light distant haze
BHO SA 1455 220 SCT 250 -SCT 70 070/55/42/2607/974/ SML PTCH ACSL DSNT W
FEW CC/CCSL VSBY NW 75 LGT DSNT HZ/ 8/041 58011

WEATHER SUMMARY FOR FRIDAY, OCTOBER 24, 2014

TEMPERATURE (DEGREES F)
MAX…..52   NORMAL…..58
MIN…..43   NORMAL…..40
MEAN….48   NORMAL…..49

DEPARTURE FROM 30-YEAR NORMAL…………………….-1
TOTAL DEPARTURE FOR THE MONTH……………………+65 [+2.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..17  DEPARTURE………..+1
TOTAL HEATING UNITS FOR THE MONTH………….236  DEPARTURE……….-63
TOTAL HEATING UNITS FOR THE SEASON…………337  DEPARTURE………-104
TOTAL HEATING UNITS LAST SEASON TO DATE…….339  DIFFERENCE……….-2

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………25 NNW AT   2:38 A.M.
ASOS…………………..27 NNW AT   2:38 A.M.
DAVIS………………….23 N   AT  12:09 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..16 NNW AT  10:08 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..17 NNW AT  10:08 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….16 NNW AT  12:22 A.M.
AVERAGE WIND SPEED AND DIRECTION………….11.7 NW
ASOS………………….11.8
DAVIS………………….9.7 NW (320 degrees)
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….trace DEPARTURE……..-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….9.86  DEPARTURE……..+6.26
ASOS…………..9.99
TOTAL PRECIPITATION FOR THE YEAR……….41.45  DEPARTURE……..-1.23
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/…./…/..              17 NNE RMY N/A
10/22 54/48/51/+2/…./000/00              58 NE  RMY 58 TSTM
10/23 53/47/50/+1/…./000/00              43 N   RMY N/A
10/24 52/43/48/-1/…./000/00              25 NNW RMY N/A

10/25 morning low temp: 41F since midnight; normal low now 40F

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

10/22/23 NEW DAILY RAINFALL RECORDS YET TO BE DETERMINED

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

RECORDS FOR OCTOBER 25
HIGH 81F IN 1963
LOW 26F IN 1922,1939
PRECIP 2.45 INCHES IN 2005
SNOWFALL 1.2 INCHES IN 1960
PEAK GUST 72 MPH ESE IN 1980

RECORDS FOR OCTOBER 26
HIGH 80F IN 1963
LOW 24F IN 1933
PRECIP 1.72 INCHES IN 1894
SNOW 3.0 INCHES IN 1962
WIND 59 MPH SSE IN 1967

TODAY’S REPORT PREPARED BY: Robert Skilling