BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, JANUARY 27, 2008 ALL TIMES ARE IN EASTERN STANDARD TIME   Today's observations:   7 A.M. Weather: Obscured by fog Temperature: 25F, Dew point: 23F, Wind: NNW at 10 kt Sea-level pressure: 30.14 inches Hg, falling Visibility: 1/2 of a mile with fog 6-hour min temp: 25F Snow depth on ground: 2 inches BHO SA 1155 W2 X1 1/2F 207/25/23/3310/014/ TRACE SNW PST 24 HR/ 8//// 4/002 58006 6000/ 10026 20025    10 A.M. Weather: Obscured by fog and snow Temperature: 26F, Dew point: 24F, Wind: NW at 10G14 kt Sea-level pressure: 30.13 inches Hg, falling Visibility: 1/2 of a mile with fog and snow BHO SA 1455 W2 X1 1/2S-F 202/26/24/3210G14/013/ TOTAL NEW SNW PST 3 HR 0.4 IN/ 8//// 58005 6002/    WEATHER SUMMARY FOR SATURDAY, JANUARY 26   TEMPERATURE (DEGREES F) MAX.....31    NORMAL.....34 MIN.....17    NORMAL.....18 MEAN....24    NORMAL.....26 DEPARTURE FROM 30-YEAR NORMAL...........-2 TOTAL DEPARTURE FOR THE MONTH.........+114 [+4.2 DEGREES/DAY]   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............41  DEPARTURE.......+2 TOTAL HEATING UNITS FOR THE MONTH...........900  DEPARTURE.....-113 TOTAL HEATING UNITS FOR THE SEASON.........3067  DEPARTURE.....-274  TOTAL HEATING UNITS LAST SEASON TO DATE....2727  DIFFERENCE....+340    PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............23  WSW  AT  1:57 A.M.                        AEROVANE.............22  WSW  AT  1:57 A.M.                        ASOS.................20  W    AT  2:18 A.M.                     DAVIS................21  WSW  AT 12:05 A.M.      FASTEST MILE FOR YESTERDAY..............20  WSW  AT  1:58 A.M.     MAXIMUM 2-MINUTE ASOS AVERAGE...........16  W    AT  2:21 A.M.    MAXIMUM 2-MINUTE DAVIS AVERAGE..........17  WSW  AT 12:00 A.M.       AVERAGE WIND SPEED AND DIRECTION....... 8.1 WSW                       ASOS.................7.6                    DAVIS................8.0 SW [218 degrees]    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..........3.70  DEPARTURE.....-0.33                          ASOS..............3.81  TOTAL PRECIPITATION FOR THE YEAR...........3.70  DEPARTURE.....-0.33                          ASOS..............3.81   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M........TRACE  DEPARTURE.....-0.5 TOTAL SNOWFALL FOR THE MONTH...............12.4  DEPARTURE.....-0.6 TOTAL SNOWFALL FOR THE SEASON..............42.9  DEPARTURE....+16.3   PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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 when significant TSTM: Thunderstorm day ....: Data not yet available   1/1   38/28/33/+6/0.24/1.8/049/09   30 E   1/2   29/7/18/-9/T/T/006/01         43 NW   Aero 43 MPH NW 1/3   11/2/7/-20/0/0/539/98         35 NW 1/4   30/2/16/-11/0/0/242/44        31 SSW 1/5   38/24/31/+4/0/0/287/52        28 SSW 1/6   47/34/41/+15/0/0/133/24       27 SSW 1/7   54/39/47/+21/0/0/188/34       29 S 1/8   65/45/55/+29/0/0/283/51       37 S 1/9   59/42/51/+25/0.01/0/167/30    48 S 1/10  47/35/41/+15/0/0/340/61       35 W 1/11  55/35/45/+19/1.58/T/0/0       46 S    Aero 48 MPH S 1/12  47/32/40/+14/0/0/376/67       28 W 1/13  42/30/36/+10/0/0/455/81       33 ENE 1/14  36/24/30/+4/1.45/10.3/000/00  37 NE   Aero 36 MPH NE 1/15  30/21/26/0/T/T/000/00         25 NW 1/16  30/16/23/-3/0/0/560/99        28 NW 1/17  32/17/25/-1/T/T/165/29 *      23 ESE  Aero 19 MPH ESE 1/18  44/28/36/+10/0.39/0.2/331/58  41 W    Aero 39 MPH W 1/19  33/24/29/+4/0/0/086/15 *      25 W 1/20  29/13/21/-4/0/0/367/64 *      38 WNW  Aero 40 MPH WNW  1/21  21/10/16/-10/0/0/564/98       35 W    Aero 33 MPH W 1/22  37/15/26/+1/0.03/0.1/110/19   52 S    Aero 55 MPH S   1/23  35/23/29/+4/0/0/574/99        31 W 1/24  29/19/24/-2/0/0/203/35        28 NW   Aero 25 MPH NW 1/25  28/11/20/-6/0/0/583/100       36 W    Aero 33 MPH W 1/26  31/17/24/-2/0/0/.../..        23 WSW 1/24  TRACE SNOW ENDING AT 7AM        NEW DAILY RECORDS FOR JANUARY 2008:   1/8 - New record high temperature of 65 deg; the previous record, 59 deg. in 1930 New record high minimum temperature of 45 deg; the previous record, 41 deg. in 1930, 1935, 1967   1/9 - New record high minimum temperature of 42 deg; the previous record, 39 deg. in 1937, 1956.   1/11 - New record rainfall of 1.58 inches; surpasses previous record of 1.14 inches in 1956   1/14 - New record daily snowfall of 10.3 inches; surpasses previous record of 9.0 inches in 1999. New record maximum daily precipitation of 1.45 inches; surpasses 1.35 inches in 2006   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JANUARY 27 HIGH 63F IN 1974 LOW -12F IN 1924 PRECIP 1.59 INCHES IN 1996 SNOWFALL 11.0 INCHES IN 1894 PEAK GUST 91 MPH SSE IN 1996   RECORDS FOR JANUARY 28 HIGH 59F IN 1916 LOW -9F IN 1888, 1924 PRECIP 2.18 INCHES IN 1897 SNOWFALL 15.0 INCHES IN 1897 PEAK GUST 78e MPH SSE IN 1977 TODAY'S REPORT PREPARED By: Andrew Hoell