BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, FEBRUARY 2, 2007 ALL TIMES ARE IN EASTERN STANDARD TIME   Today's observations:   7 A.M.   Weather: Overcast altostratus Temperature: 29F, Dew point: 25F, Wind: NNE at 8 kts Sea-level pressure: 29.81 inches Hg, falling Visibility: 9 miles, thin fog 6-hourly min. temp. 28 deg. BHO SA 1155 E90 OVC 9 093/29/25/0308/981/ THN F/ 8/02/ 58016 10029 20028    10 A.M.    Weather: Scattered stratocumulus, overcast altostratus Temperature: 33F, Dew point: 27F, Wind: NE at 6 kts Sea-level pressure: 29.76 inches Hg, falling      Visibility: 8 miles, hazy BHO SA 1455 12 SCT E100 OVC 8 077/33/27/0406/976/ HAZY/ 8/72/ 55016   1 P.M.    Weather: Overcast stratocumulus Temperature: 34F, Dew point: 26F, Wind: NNW at 5 kts Sea-level pressure: 29.67 inches Hg, falling Visibility: 8 miles, hazy 6-hourly max. temp. 34 deg.  BHO SA 1755 E8 OVC 8 048/34/26/3405/967/ HAZY/ 8/7// 58029 10034 20029   WEATHER SUMMARY FOR THURSDAY, FEBRUARY 1   TEMPERATURE (DEGREES F) MAX.....35    NORMAL.....34 MIN.....20    NORMAL.....18   MEAN....28    NORMAL.....26   DEPARTURE FROM 30-YEAR NORMAL........+ 2 TOTAL DEPARTURE FOR THE MONTH........+ 2 (+2.0 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY..........37   DEPARTURE......- 2 TOTAL HEATING UNITS FOR THE MONTH..........37   DEPARTURE......- 2 TOTAL HEATING UNITS FOR THE SEASON.......2981   DEPARTURE.....-594 TOTAL HEATING UNITS LAST SEASON TO DATE..3127   DIFFERENCE....-146   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............37 S   AT 12:38 P.M.                     AEROVANE.............39 S   AT 12:38 P.M.                       ASOS.................33 S   AT 12:38 P.M.                     DAVIS................38 S   AT 12:38 P.M.  FASTEST MILE FOR YESTERDAY..............25 SSW AT 12:42 P.M. *   MAXIMUM 2-MINUTE ASOS AVERAGE...........25 SSW AT 12:39 P.M.  MAXIMUM 2-MINUTE DAVIS AVERAGE..........28 SSW AT 12:42 P.M.   AVERAGE WIND SPEED AND DIRECTION......12.1 SSW                     ASOS..............12.7                           DAVIS.............11.8 SSW [192 deg]   * last of several occurrences..   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..........0.00  DEPARTURE.....-0.15                           ASOS..............0.00    TOTAL PRECIPITATION FOR JANUARY............2.94  DEPARTURE.....-1.84                          ASOS..............2.87 TOTAL PRECIPITATION FOR THE YEAR...........2.94  DEPARTURE.....-1.99                           ASOS..............2.87   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 0.0  DEPARTURE......-0.6 TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE......-0.6 TOTAL SNOWFALL FOR JANUARY..................2.9  DEPARTURE.....-12.9 TOTAL SNOWFALL FOR THE SEASON...............6.6  DEPARTURE.....-23.4   PRELIMINARY CLIMATE SUMMARY FOR JANUARY 2007......CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST   AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day   1/1  53/30/42/+15/0.98/0/000/00     38 SE 1/2  43/31/37/+10/0.03/0/505/92     44 W    Aero 47 MPH W   1/3  49/30/40/+13/0/0/435/79        40 S   1/4  53/40/47/+20/0/0/198/36        31 SSW 1/5  61/46/54/+27/0.04/0/000/00     44 S    Aero 44 MPH S 1/6  66/48/57/+31/0.03/0/161/29     48 SSW  Aero 47 MPH SSW 1/7  50/38/44/+18/0/0/505/91        43 W    Aero 44 MPH W 1/8  52/36/44/+18/0.69/0/000/00     45 W    Aero 45 MPH W 1/9  41/29/35/+9/0/0/518/93         40 W    Aero 39 MPH W 1/10 34/22/28/+2/0/0/525/94         48 W 1/11 33/17/25/-1/0/0/336/60         36 S    Aero 38 MPH S 1/12 48/32/40/+14/0/0/168/30        38 SSW  Aero 39 MPH SSW 1/13 48/36/42/+16/0.06/000/00       30 S     1/14 38/31/35/+9/0.16/0/000/00      21 NE 1/15 40/31/36/+10/0.58/0/000/00     25 NNE 1/16 38/15/27/+1/0.05/0/000/00      40 W    Aero 42 MPH W 1/17 18/6/12/-14/0.00/0/563/99      38 WNW  Aero 43 MPH WNW 1/18 36/10/23/-3/0.15/0.1/171/30    33 SSE 1/19 38/30/34/+9/0.04/T/269/47      40 W    Aero 41 MPH W 1/20 30/12/21/-4/T/T/402/70         51 W    Aero 55 MPH WNW 1/21 24/9/17/-8/0/0/449/78          33 W 1/22 24/18/21/-4/0.05/1.0/000/00    16 WNW 1/23 30/18/24/-1/0.01/0.2/110/19    23 NW 1/24 38/22/30/+4/0/0/448/77         30 W 1/25 26/6/16/-10/T/T/356/61         30 NW  1/26 11/-1/5/-21/0/0/563/96         38 WNW  Aero 39 MPH WNW 1/27 25/2/14/-12/T/T/000/00         23 W 1/28 37/23/30/+4/0.04/0.6/408/69    21 W  1/29 26/15/21/-5/T/T/546/92         33 W    Aero 36 MPH W 1/30 29/13/21/-5/0.01/0.3/589/99    30 WSW  Aero 33 MPH WSW 1/31 30/14/22/-4/0/0/508/85         29 W   PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2007......CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST   AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available   2/1  35/20/28/+2/0/0/132/22         37 S    Aero 39 MPH S   2/2 morning low temp. 28 deg; normal now 18 deg.     NEW DAILY RECORDS ESTABLISHED FOR JANUARY 2007   1/5 – NEW RECORD HIGH MAXIMUM TEMP. OF 61 DEG; the previous record was 58 degrees in 1950.  NEW RECORD HIGH MINIMUM TEMP. OF 46 degrees; the previous record was 42 degrees in 1950.    1/6 – NEW RECORD HIGH MAXIMUM TEMP. OF 66 DEG; the previous record was 60 degrees in 1913.  NEW RECORD HIGH MINIMUM TEMP. OF 48 degrees; the previous record was 39 degrees in 1946, 1950, and 1998. In addition, 66 degrees is 2nd highest temp. for any January after 68 deg. recorded on Jan. 26, 1950.   1/18 – LATEST FREEZE DATE FOR HOUGHTON’S POND; the previous latest freeze date was January 5, 1973.   1/26 – NEW RECORD LOW MAXIMUM TEMP. OF 11 DEG; the previous record was 12 degrees in 1905, 1912, and 1945.   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR FEBRUARY 2 HIGH 55F IN 1951, 1973 LOW -12F IN 1961 PRECIP 1.91 INS. IN 1999 SNOWFALL 5.5 INS. IN 1916, 1934 PEAK GUST 92 MPH SW IN 1970   RECORDS FOR FEBRUARY 3 HIGH 58F IN 1991 LOW -7F IN 1955 PRECIP 2.14 INS. IN 1970 SNOWFALL 7.0 INS. IN 1913 PEAK GUST 102 MPH S IN 1970 [RECORD FOR MONTH]   TODAY'S REPORT By: Stephanie Radner