BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, NOVEMBER 30, 2007 ALL TIMES ARE IN EASTERN STANDARD TIME   Today's observations:   7 A.M.   Weather: Broken stratocumulus, overcast cirrus with breaks Temperature: 31F, Dew point: 18F, Wind: WNW at 15G24 kts Sea-level pressure: 30.13 inches Hg, rising Visibility: 35 miles 6-hour min temp: 30F 24-hour rainfall: trace BHO SA 1155 E45 BKN 250 OVC 35 204/31/18/2915G24/013/ BRKS DSNT NW-N AND E-SE/ 8/506 53028 10034 20030   10 A.M.   Weather: Scattered cirrus Temperature: 33F, Dew point: 16F, Wind: WSW at 12 kts Wind: variability S-W  Sea-level pressure: 30.18 inches Hg, rising Visibility: 50 miles BHO SA 1455 250 SCT 50 221/33/16/2412/018/ FEW CU ALQDS PTCHS DENSE CI WND 19V28/ 8/102 50017   1 P.M.   Weather: Clear Temperature: 39F, Dew point: 14F, Wind: WSW at 10 kts Sea-level pressure: 30.15 inches Hg, falling Visibility: 65 miles 6-hourly max. temp: 39F  BHO SA 1755 CLR 65 211/39/14/2410/015/ FEW CU ESE FEW CI DSNT E-S-SW/ 8/101 56010 10039 20031   WEATHER SUMMARY FOR THURSDAY, NOVEMBER 29   TEMPERATURE (DEGREES F) MAX.....48    NORMAL.....44 MIN.....34    NORMAL.....30 MEAN....41    NORMAL.....37 DEPARTURE FROM 30-YEAR NORMAL...........+4 TOTAL DEPARTURE FOR THE MONTH..........-36 [-1.4 DEGREES/DAY]   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............24  DEPARTURE.......-4 TOTAL HEATING UNITS FOR THE MONTH...........704  DEPARTURE......+34 TOTAL HEATING UNITS FOR THE SEASON.........1050  DEPARTURE.....-211 TOTAL HEATING UNITS LAST SEASON TO DATE....1053  DIFFERENCE......-3   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............38 S   AT 10:04 A.M.                           AEROVANE.............40 S   AT 10:05 A.M.                      ASOS.................38 S   AT 10:05 A.M.                            DAVIS................43 SSW AT  2:43 P.M.           FASTEST MILE FOR YESTERDAY............. 28 S   AT  1:29 P.M. *          MAXIMUM 2-MINUTE ASOS AVERAGE...........29 SSW AT  1:12 P.M.        MAXIMUM 2-MINUTE DAVIS AVERAGE..........29 S   AT  1:12 P.M.        AVERAGE WIND SPEED AND DIRECTION......17.1 S                     ASOS...............16.1                        DAVIS..............17.7 S [188 deg]    * last of several occurrences.   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..........3.30  DEPARTURE....-1.19                          ASOS..............3.39  TOTAL PRECIPITATION FOR THE YEAR..........38.84  DEPARTURE....-7.67                          ASOS.............38.22     SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.1 TOTAL SNOWFALL FOR THE MONTH................0.8  DEPARTURE.....-1.8 TOTAL SNOWFALL FOR THE SEASON...............0.8  DEPARTURE.....-2.0   PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2007...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   * entries for daily snowfall beginning 19th   11/1  66/42/54/+7/0/050/08         37 S 11/2  50/37/44/-2/0/446/73         29 NE 11/3  46/40/43/-3/0.95/000/00      51 N   Aero 50 MPH NNW  11/4  54/37/46/0/0/503/82          33 W   Aero 33 MPH W    11/5  56/40/48/+3/0/483/79         29 SE 11/6  53/37/45/0/0.75/000/00       35 SSE Aero 35 MPH SSE  11/7  50/32/41/-4/0/551/91         30 W 11/8  43/28/36/-8/0/494/82         22 W 11/9  44/32/38/-6/0.09/331/55      21 NNE 11/10 39/28/34/-10/0.05/383/64     32 N 11/11 42/24/33/-10/0/590/99        23 WNW 11/12 42/27/35/-8/0.02/024/04      25 SSE 11/13 55/42/49/+6/0.33/308/52      28 S 11/14 58/41/50/+8/0/507/86         37 S 11/15 64/40/52/+10/0.41/035/06     44 SSE Aero 46 MPH SSE 11/16 44/30/37/-5/0.31/158/27      51 W   Aero 54 MPH W 11/17 40/28/34/-7/0/350/60         37 W 11/18 41/29/35/-6/0/495/85         25 ENE 11/19 36/30/33/-8/0.01/0.1/030/05  29 N    11/20 37/29/33/-7/0.09/0.7/000/00  22 SE 11/21 48/32/40/0/0.01/0/000/00     21 N 11/22 64/40/52/+12/0.01/0/212/37   36 W 11/23 40/23/32/-7/0/0/503/88       36 W 11/24 32/16/24/-15/0/0/468/82      26 WNW 11/25 48/28/38/-1/0/0/0/557/98     28 S   11/26 58/35/47/+9/0.23/0/000/00    44 S    Aero 46 MPH S 11/27 61/38/50/+12/0.04/0/328/58   45 S    Aero 49 MPH S 11/28 43/30/37/0/T/0/502/89        37 W 11/29 48/34/41/+4/T/0/022/04       38 S   11/30 morning low temp. 30F; normal low temp. is now 29F        NEW DAILY RECORDS FOR NOVEMBER 2007: NONE   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR NOVEMBER 30 HIGH 67 IN 2006 LOW 7 IN 1887, 1929 PRECIP 2.42 INCHES IN 1944 SNOWFALL 10.2 INS IN 1945 PEAK GUST 90 SSW IN 1963   RECORDS FOR DECEMBER 1 HIGH 70 IN 2001 LOW 3 IN 1887 PRECIP 1.46 INS. IN 1917 SNOW 2.0 INS. IN 1902 PEAK GUST 72 MPH NW IN 1964   TODAY'S REPORT PREPARED By: Stephanie Radner