BLUE HILL METEOROLOGICAL OBSERVATORYMILTON, MASSACHUSETTS 02186ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARYTHURSDAY, JANUARY 24, 2008ALL TIMES ARE IN EASTERN STANDARD TIME Today's observations: 7 A.M.Weather: Broken altocumulus, overcast cirrus,breaks all quadrantsTemperature: 20F, Dew point: 9F, Wind: SW at 06 ktsSea-level pressure: 30.06 inches Hg, risingVisibility: 25 miles6-hour min temp: 20FSnow depth on ground: 3 inchesBHO SA 1155 E85 BKN 200 OVC 25 179/20/9/2206/006/ BINOVC ALQDS/8/072 4/003 51010 10022 20020 10 A.M.Weather: Scattered cirrostratus, thin broken cirrus, fewaltocumulus, parahelion/partial haloTemperature: 27F, Dew point: 9F, Wind: SSW at 06 ktsWind: Variability S-WSea-level pressure: 30.06 inches Hg, risingVisibility: 30 miles BHO SA 1455 220 SCT 250 –BKN 30 181/27/9/2006/006/ FEW AC OVHDTHN K LYR NE-E PARAHELION PARTIAL HALO WND 17V27/ 8/037 51002 1 P.M.Weather: Overcast cirrostratus, few cumulus northTemperature: 29F, Dew point: 12F, Wind: SW at 07 ktsWind: Variability SSE-W Sea-level pressure: 29.99 inches Hg, falling Visibility: 25 miles6-hour maximum temp. 29FBHO SA 1755 E200 OVC 25 157/29/12/2207/999/ FEW CU NSUN VSBL WND 15V27/ 8/102 57024 10029 20020 WEATHER SUMMARY FOR WEDNESDAY, JANUARY 23 TEMPERATURE (DEGREES F)MAX.....35    NORMAL.....33MIN.....23    NORMAL.....18MEAN....29    NORMAL.....25DEPARTURE FROM 30-YEAR NORMAL...........+4TOTAL DEPARTURE FOR THE MONTH.........+124 [+5.2 DEGREES/DAY] HEATING DEGREE DAYSTOTAL HEATING UNITS FOR YESTERDAY............36  DEPARTURE.......-4TOTAL HEATING UNITS FOR THE MONTH...........773  DEPARTURE.....-122TOTAL HEATING UNITS FOR THE SEASON.........2940  DEPARTURE.....-283 TOTAL HEATING UNITS LAST SEASON TO DATE....2583  DIFFERENCE....+357  PEAK GUST AND AVERAGE WIND SPEED (MPH)PEAK WIND GUST FOR YESTERDAY............31 W   AT  5:04 A.M.                       AEROVANE.............30 W   AT  5:04 A.M. *                      ASOS.................29 WNW AT  5:04 A.M.                    DAVIS................31 W   AT  5:03 A.M.    FASTEST MILE FOR YESTERDAY..............22 W   AT  5:03 A.M.   MAXIMUM 2-MINUTE ASOS AVERAGE...........21 WNW AT  5:05 A.M.   MAXIMUM 2-MINUTE DAVIS AVERAGE..........23 W   AT  5:05 A.M.     AVERAGE WIND SPEED AND DIRECTION....... 12.6 WSW                      ASOS.................12.7                   DAVIS................13.1 WSW [250 degrees]  * last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.....-0.15                            ASOS..............0.00TOTAL PRECIPITATION FOR THE MONTH..........3.70  DEPARTURE.....+0.12                         ASOS..............3.81 TOTAL PRECIPITATION FOR THE YEAR...........3.70  DEPARTURE.....+0.12                         ASOS..............3.81 SNOWFALL (INCHES) THROUGH THIS MORNING (EST)TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.5TOTAL SNOWFALL FOR THE MONTH...............12.4  DEPARTURE.....+0.9TOTAL SNOWFALL FOR THE SEASON..............42.9  DEPARTURE....+17.8 PRELIMINARY CLIMATE SUMMARY FOR JANUARY 2008 CALENDAR DAY DATADATA REPORTED:DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significantTSTM: 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 NW1/3   11/2/7/-20/0/0/539/98         35 NW1/4   30/2/16/-11/0/0/242/44        31 SSW1/5   38/24/31/+4/0/0/287/52        28 SSW1/6   47/34/41/+15/0/0/133/24       27 SSW1/7   54/39/47/+21/0/0/188/34       29 S1/8   65/45/55/+29/0/0/283/51       37 S1/9   59/42/51/+25/0.01/0/167/30    48 S1/10  47/35/41/+15/0/0/340/61       35 W1/11  55/35/45/+19/1.58/T/0/0       46 S    Aero 48 MPH S1/12  47/32/40/+14/0/0/376/67       28 W1/13  42/30/36/+10/0/0/455/81       33 ENE1/14  36/24/30/+4/1.45/10.3/000/00  37 NE   Aero 36 MPH NE1/15  30/21/26/0/T/T/000/00         25 NW1/16  30/16/23/-3/0/0/560/99        28 NW1/17  32/17/25/-1/T/T/165/29 *      23 ESE  Aero 19 MPH ESE1/18  44/28/36/+10/0.39/0.2/331/58  41 W    Aero 39 MPH W1/19  33/24/29/+4/0/0/086/15 *      25 W1/20  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 W1/22  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  morning low temp. 20F; normal low is now 18F * Small corrections have been made to daily sunshine data;  minutes and percentages have changed slightly  we've recorded 45% of possible sunshine thru the 23rd      NEW DAILY RECORDS FOR JANUARY 2008: 1/8 - New record high temperature of 65 deg;the previous record, 59 deg. in 1930New 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; surpassesprevious record of 1.14 inches in 1956 1/14 - New record daily snowfall of 10.3 inches; surpassesprevious record of 9.0 inches in 1999.New record maximum daily precipitation of 1.45 inches;surpasses 1.35 inches in 2006 DAILY EXTREMESTemperature and precipitation records back to 1885, andwind records back to 1940 (e = estimated): RECORDS FOR JANUARY 24HIGH 60F IN 1967LOW -12F IN 1907PRECIP 2.04 INS. IN 1998SNOWFALL 11.3 INS. IN 1935PEAK GUST 82 MPH S IN 1996 RECORDS FOR JANUARY 25HIGH 55F IN 1990LOW -10F IN 1935PRECIP 2.24 INS. IN 1979SNOWFALL 12.5 INS. IN 1941PEAK GUST 81 MPH WNW IN 1972 TODAY'S REPORT PREPARED By: Stephanie Radner