BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, MARCH 29, 2006 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
CLEAR SKY AND PLENTY OF BRIGHT WARM MARCH SUNSHINE
TEMPERATURES RISING INTO THE 60'S WITH CONTINUED
VERY DRY AIR...DEWPOINTS IN UPPER TEENS 
 
Visibility is up to 70 to 80 miles by early this
afternoon under a perfectly clear  sky. 
Temperatures are rising into the lower 60's  
as a very pleasant mild weather pattern gets established.
The air is very dry with relative humidity near 20%. 
 
The long dry spell continues with only 0.31 inch
of precipitation for March; the month is now more than
4 inches drier than normal.  It now seems extremely
likely that we'll have our second driest March on record.
Also, the total snowfall of just 0.1 inch ties with 1979
for the second least March snowfall.
 
RECORD LOWEST MARCH PRECIPITATION...
 
1. March 1915.....0.06 in.
2. March 1981.....0.63 in.
3. March 1894.....1.21 ins.
4. March 1935.....1.41 ins.
 
RECORD LOWEST MARCH SNOWFALL....
 
1.  trace    in 1921
2.  0.1 inch in 1979
3.  0.2 inch in 1903
4.  0.3 inch in 1930
 
Today's observations:
 

7 A.M.
Weather: Clear
Temperature: 38F, Dew point: 25F, Wind: NW 09 MPH
Sea-Level pressure: 30.23 inches Hg, rising 
Visibility: 60 miles, 20 SE fog  
Precip: 24 hours: 0.00     
Snowfall: 24 hours: 0.00
6-hourly min. temp. 34 deg.
BHO SA 1155 CLR 60 237/38/25/3208/023/ DENSE FG ALG HRZN SE
VSBY SE 20 WND GRDLY VEERING/ 53010 10038 20034
 
10 A.M.
Weather: Clear   
Temperature: 53F, Dew point: 22F, Wind: WNW AT 06 MPH
Sea-Level pressure: 30.25 inches Hg, steady   
Visibility: 60 miles, 70 NW
BHO SA 1455 CLR 60 242/53/22/3005/025/
THN K N-NE VSBY NW 70/ 51005
 
1 P.M.
Weather: Clear, few Cu SE-S
Temperature: 59F, Dew point: 17F, Wind: SSW AT 08 MPH
Wind direction variable SE-WSW
Sea-level pressure: 30.22 inches Hg, falling
Visibility: 75 miles     
Six hourly max. temp. 60 deg; min. 38 deg.
Six hourly precip: zero     
BHO SA 1755 CLR 75 234/59/17/2009/022/ FEW CU SE-S WND 14V24
GST TO 19 KTS PST HR/ 8/100 58008 10060 20038
 
WEATHER SUMMARY FOR TUESDAY, MARCH 28
 
TEMPERATURE (DEGREES F)
MAX.....54   NORMAL.....48  HAZEN..54.4 @  4:01 p.m.
MIN.....34   NORMAL.....31  HAZEN..34.0 @  5:43 a.m. 
MEAN....44   NORMAL.....40   
DEPARTURE FROM 30-YEAR NORMAL.......+ 4
TOTAL DEPARTURE FOR THE MONTH........ 0 (-0.2 DEGREES/DAY)
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY..........21   DEPARTURE......-4
TOTAL HEATING UNITS FOR THE MONTH.........817   DEPARTURE......-4
TOTAL HEATING UNITS FOR THE SEASON.......4911   DEPARTURE.....-480
TOTAL HEATING UNITS LAST SEASON TO DATE..5391   DIFFERENCE....-485
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.........22 SSE AT  7:50 P.M. *
                   AEROVANE..........21 SSE AT  7:50 P.M.      
                   ASOS..............21 SSE AT  7:15 P.M.   
                   DAVIS.............22 SSW AT  1:22 P.M.  
 
* last of several occurrences
 
FASTEST MILE FOR YESTERDAY...........15 S   AT 6:01 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE........16 SSE AT 7:15 P.M.   
MAXIMUM 2-MINUTE DAVIS AVERAGE.......17 SSW AT 11:59 P.M.
 
AVERAGE WIND SPEED AND DIRECTION... 8.0  S
                   ASOS............ 8.4  S   [180 deg]
                   DAVIS........... 7.4  SSW [220 deg]
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M... 0.00   DEPARTURE....-0.15   
                         ASOS............. 0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.31   DEPARTURE....-4.03
                         ASOS..............0.33
TOTAL PRECIPITATION FOR THE YEAR...........9.72   DEPARTURE....-3.46
                         ASOS..............9.44     
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 0.0   DEPARTURE.....-0.2
TOTAL SNOWFALL FOR THE MONTH................0.1   DEPARTURE....-10.4 
TOTAL SNOWFALL FOR THE SEASON..............51.2   DEPARTURE.....-4.7 *
 
* corrected departure....

PRELIMINARY CLIMATE SUMMARY FOR MARCH 2006......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
 
AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available
 
3/1  32/14/23/-9/0/0/674/100        32 WSW
3/2  31/21/26/-6/0.01/T/054/08      35 NNW
3/3  28/16/22/-10/0/0/626/92        46 WNW  Aero 52 WNW
3/4  38/16/27/-6/0/0/587/86         48 NW
3/5  44/23/34/+1/0/0/686/100        45 WNW  Aero 48 WNW
3/6  39/22/31/-2/0/0/496/72         33 NW
3/7  41/21/31/-2/0/0/574/83         20 NW  
3/8  45/22/34/0/0/0/672/94          24 WNW
3/9  42/32/37/+3/T/T/000/00         32 SE
3/10 64/42/53/+19/0/0/189/27        44 WSW
3/11 57/38/48/+13/0/0/583/83        43 W
3/12 54/40/47/+12/T/0/012/02        39 SSW  Aero 42 SSW
3/13 54/43/49/+14/0.09/0/000/00     27 S
3/14 56/33/45/+9/0.17/0/256/36      44 W    Aero 48 W
3/15 41/28/35/-1/T/T/400/56         56 WSW  Max. Inc. 62 MPH
3/16 42/26/34/-2/0/0/645/90         42 W
3/17 41/21/31/-6/0/0/698/97         30 NW
3/18 38/17/28/-9/0/0/550/76         32 W
3/19 34/21/28/-9/T/T/298/41         35 W
3/20 34/18/26/-12/0/0/692/95        42 WNW
3/21 45/19/32/-6/0/0/629/86         33 W
3/22 40/28/34/-4/0/0/022/03         28 WNW
3/23 55/28/42/+4/0/0/354/48         28 W
3/24 47/33/40/+1/0/0/030/04         23 NE
3/25 38/33/36/-3/0.04/T/000/00      28 NE
3/26 49/34/42/+3/T/T/157/21         32 WNW
3/27 56/32/44/+4/0/0/734/98         30 WNW 
3/28 54/34/44/+4/0/0/638/85         22 SSE 
 
3/29 morning low temp. 34; normal now 32 deg.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind to 1940.
 
RECORDS FOR MARCH 29
HIGH 85 IN 1945
LOW -2 IN 1923
PRECIP 2.78 INS. IN 1984
SNOWFALL 13.5 INS. IN 1984
PEAK GUST 95 MPH ENE IN 1984
 
RECORDS FOR MARCH 30
HIGH 83 IN 1977
LOW 10 IN 1887
PRECIP 2.82 INS. IN 2001
SNOWFALL 3.9 INS. IN 1957
PEAK GUST 60 MPH NW IN 1999
 
TODAY'S REPORT BY: Robert Skilling