BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 23, 2008 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.
Weather: Clear with a few clouds
Temperature: 18F, Dew point: 5F, Wind: WSW at 16 kt
Sea-level pressure: 30.30 inches Hg, rising
Visibility: 70 miles
6-hourly minimum temperature: 18F
BHO SA 1155 CLR 70 261/18/5/2516/030/
FEW SC DSNT NE-SE FEW THN CI SE-SW/ 8/401 52027 10019 20018
 
10 A.M.
Weather: Clear
Temperature: 25F, Dew point: 5F, Wind: W at 16G24 kt
Sea-level pressure: 30.33 inches Hg, rising
Visibility: 80 miles
BHO SA 1455 CLR 80 272/25/5/2616G24/033/
LONE PATCH SC DSNT SE/ 8/400 51011
 
1 P.M.
Weather: Clear with a few clouds
Temperature: 30F, Dew point: 2F, Wind: W at 20G27 kt
Sea-level pressure: 30.27 inches Hg, falling
Visibility: 80 miles
6-hour max. temp: 30F
BHO SA 1755 CLR 80 252/30/2/2620G27/027/
FEW SC FRMG ALQDS FEW THN CI S PK WND 2627/1753/
8/401 58020 10030 20018
 
WEATHER SUMMARY FOR SATURDAY, NOVEMBER 22
 
TEMPERATURE (DEGREES F)
MAX.....26    NORMAL.....47
MIN.....17    NORMAL.....32
MEAN....22    NORMAL.....40
 
DEPARTURE FROM 30-YEAR NORMAL.............-18
TOTAL DEPARTURE FOR THE MONTH..............+6 [+0.1 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............43  DEPARTURE........+18
TOTAL HEATING UNITS FOR THE MONTH...........474  DEPARTURE.........-7
TOTAL HEATING UNITS FOR THE SEASON.........1016  DEPARTURE........-56
TOTAL HEATING UNITS LAST SEASON TO DATE.....864  DIFFERENCE......+152
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............47 WNW AT  2:37 P.M.
                   AEROVANE.............47 WNW AT  1:50 P.M.
                   ASOS.................45 WNW AT  2:37 P.M.
                   DAVIS................46 WNW AT 12:59 P.M.
FASTEST MILE FOR YESTERDAY..............40 WNW AT  1:00 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........33 WNW AT  1:22 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........35 W   AT  1:00 P.M.
                   AVERAGE............19.7 WNW   
                   ASOS...............18.9
                   DAVIS..............19.7 WNW [283 deg]
* 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...........2.19   DEPARTURE.......-1.25
                         ASOS...............2.21
TOTAL PRECIPITATION FOR THE YEAR...........47.13   DEPARTURE.......+1.67
                         ASOS..............49.73 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.1
TOTAL SNOWFALL FOR THE MONTH..............TRACE  DEPARTURE.....-1.9
TOTAL SNOWFALL FOR THE SEASON.............TRACE  DEPARTURE.....-2.1
 
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
11/1  58/36/47/0/0.00/266/43       22 SW
11/2  43/29/36/-10/0.00/598/97     25 NW
11/3  50/32/41/-5/0.00/000/00      23 S
11/4  65/45/55/+9/0.00/409/67      24 SSW
11/5  65/52/59/+14/0.07/018/03     28 NE 
11/6  55/52/54/+9/0.93/000/00      35 NNE
11/7  57/52/55/+10/0.05/000/00     24 N
11/8  59/55/57/+13/0.07/000/00     32 SE
11/9  57/45/51/+7/0.01/462/77      35 WSW 
11/10 52/34/43/-1/T/316/53         32 W
11/11 47/31/39/-4/0.00/428/72      33 W
11/12 46/35/41/-2/0.00/355/60      17 W
11/13 49/36/43/0/0.05/T/000/00     35 ESE SLEET 8 AM
11/14 59/49/54/+12/0.07/0/000/00   22 SE
11/15 67/56/62/+20/0.62/0/000/00   65 SSE Aero 69 MPH SSE
11/16 64/37/51/+9/0.32/0/.../..    53 W   Aero 46 MPH W
11/17 47/31/39/-2/0.00/0/0/.../..  24 SSW
11/18 38/23/31/-10/0.00/0.0/.../.. 33 NW
11/19 31/18/25/-16/0.00/0.0/.../.. 32 NW
11/20 33/17/25/-15/0.00/0.0/.../.. 32 W   Aero 29 MPH W
11/21 32/19/26/-14/0.00/0.0/.../.. 36 NW  Aero 33 MPH NW
11/22 26/17/22/-18/0.00/0.0/.../.. 47 WNW Aero 47 MPH WNW
 
NEW DAILY RECORDS FOR NOVEMBER 2008...
 
11/15 PEAK GUST: 65 SSE, PREVIOUS RECORD, 58 NNW in 1962, NW in 1967
11/15 HIGH MIN TEMP: 56F; TIED WITH 1989
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 23
HIGH 73 IN 1931
LOW 9 IN 1888
PRECIP 2.33 INCHES IN 2006
SNOWFALL 5.5 INCHES IN 1989
PEAK GUST 64e S IN 1953
 
RECORDS FOR NOVEMBER 24
HIGH 69 IN 1931
LOW 7 IN 1897
PRECIP 1.76 INCHES IN 1901
SNOWFALL 4.5 INCHES IN 1936
PEAK GUST 69 SSW IN 1959

TODAY'S REPORT PREPARED By: Andrew Hoell