BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, JANUARY 31, 2007 ALL TIMES ARE IN EASTERN STANDARD TIME   VERY FLUFFY LIGHT SNOWFALL LEAVES 1.0 INCH JANUARY SNOWFALL 2.9 INCHES IS NOT IN TOP TEN LOWEST SEASONAL TOTAL NOW 6.6 INCHES NOW IN 2ND PLACE FOR LOWEST OCTOBER-JANUARY TOTAL AFTER 6.5 INCHES RECORDED IN 1968-1969.   The light fluffy snow that began before and ended after midnight early this morning totaled 1.0 inch on the snow boards and thus this season has lost its bid for least snowfall October through January by just 0.1 inch and is now in 2nd place!    1. 1968-69....6.5 ins. 2. 2006-07....6.6 ins. 3. 1994-95....7.2 ins. 4. 1936-37....7.8 ins.   The water content of this snow was only 0.03 inch as recorded in the standard gage and by ASOS making a ratio of 33:1.      Today's observations:   7 A.M.   Weather: High overcast with thin spots Temperature: 14F, Dew point: 08F, Wind: WNW at 10 kts Sea-level pressure: 29.88 inches Hg, rising Visibility: 15 miles, thin fog 6-hourly min. temp. 14 deg. 6-hourly precip. trace 24-hourly snowfall: 1.0 in; precip: 0.03 in. BHO SA 1155 E250 OVC 15 118/14/8/2910/988/ FEW AC/AS DSNT E-S OVC PTLY THN THN F THN K LYR ALG HRZNS N-NE AND SE-SW TOTAL NEW SNW PST 24 HRS 1.0 IN/ 8/077 4/001 53011 MANUAL 6000/ ASOS 70003 MANUAL 70003 10022 20014   10 A.M.    Weather: Clear, just a few clouds distant east and west  Temperature: 23F, Dew point: 10F, Wind: WNW at 10 kts Sea-level pressure: 29.93 inches Hg, rising      Visibility: 25 miles, hazy BHO SA 1455 CLR 25 136/23/10/3010/993/ FEW CU FRMG DSNT W CS LYR DSNT ENE-SSE HAZY/ 8/508 51018   1 P.M.    Weather: Scattered cumulus  clouds  Temperature: 29F, Dew point: 10F, Wind: W at 10 kts Wind: Variability WSW-NW Sea-level pressure: 29.92 inches Hg, falling Visibility: 50 miles 6-hourly max. temp. 30 deg.  BHO SA 1755 45 SCT 50 132/29/10/2810/992/ CU/SC FEW MDT TOPS LGT HZ WND 25V32/ 8/400 58004 10030 20014   WEATHER SUMMARY FOR TUESDAY, JANUARY 30    TEMPERATURE (DEGREES F) MAX.....29    NORMAL.....34 MIN.....13    NORMAL.....18   MEAN....21    NORMAL.....26   DEPARTURE FROM 30-YEAR NORMAL........- 5 TOTAL DEPARTURE FOR THE MONTH.......+142 (+4.5 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY..........44   DEPARTURE......+ 5 TOTAL HEATING UNITS FOR THE MONTH.........987   DEPARTURE.....-140 TOTAL HEATING UNITS FOR THE SEASON.......2901   DEPARTURE.....-596 TOTAL HEATING UNITS LAST SEASON TO DATE..3094   DIFFERENCE....-193   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............30 WSW AT  9:42 A.M.                     AEROVANE.............33 WSW AT 12:54 P.M.                       ASOS.................28 WSW AT 12:51 P.M.                     DAVIS................34  SW AT 12:54 P.M.  FASTEST MILE FOR YESTERDAY..............23 WSW AT 11:22 A.M.   MAXIMUM 2-MINUTE ASOS AVERAGE...........22 WSW AT 12:51 P.M.  MAXIMUM 2-MINUTE DAVIS AVERAGE..........24 WSW AT 11:22 A.M.   AVERAGE WIND SPEED AND DIRECTION......12.4 WSW                     ASOS..............12.9                           DAVIS.............12.6 SW [230 deg]     PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M... 0.03  DEPARTURE.....-0.12                          ASOS..............0.03 TOTAL PRECIPITATION FOR THE MONTH..........2.94  DEPARTURE.....-1.69                           ASOS..............2.87    TOTAL PRECIPITATION FOR THE YEAR...........2.94  DEPARTURE.....-1.69                           ASOS..............2.87   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 1.0  DEPARTURE......+0.4 TOTAL SNOWFALL FOR THE MONTH................2.9  DEPARTURE.....-12.3 TOTAL SNOWFALL FOR THE SEASON...............6.6  DEPARTURE.....-22.2   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 ....: Data not yet available   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/-3/0.13/0.1/171/30    33 SSE 1/19 38/30/34/+9/0.06/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/.../..    30 WSW  Aero 33 MPH WSW   1/31 morning low temp. 14 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.   1/26 – 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 JANUARY 31 HIGH 58F IN 1913, 1947 LOW -12F IN 1920 PRECIP 1.03 INS. IN 1914 SNOWFALL 9.0 INS. IN 1898 PEAK GUST 75 MPH NW IN 1974   RECORDS FOR FEBRUARY 1 HIGH 65F IN 1989 LOW -9F IN 1920 PRECIP 1.30 INS. IN 1898 SNOWFALL 11.0 INS. IN 1898 PEAK GUST 66e MPH SSW IN 1951   TODAY'S REPORT By: Robert Skilling   If you do not wish to receive this Daily Discussion and Climate Summary from the Blue Hill Observatory, please send an email to sitemaster@bluehill.org.