BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, NOVEMBER 26, 2015 THANKSGIVING DAY ALL TIMES ARE IN EASTERN STANDARD TIME HAPPY THANKSGIVING! BAROMETER CLIMBS TO NEAR RECORD HIGH, SEA LEVEL PRESSURE APPROACHES 30.88 INCHES An area of high pressure just offshore has increased in strength since yesterday when barometer readings at the station were already at very high levels. A preliminary reading using our mercury barometer indicated a maximum sea level pressure reading of 30.876 inches last evening. Our station record is 31.08 inches set back in 1981. Clouds that built overnight have diminished this morning to reveal mostly sunny conditions. Visibility has been limited for most of the morning with high levels of humidity present and thin fog. Today's Observations: 7 A.M. Weather: Broken stratocumulus Temperature: 41F; Dew Point: 37F; Wind: SSE at 15 kts Sea-level pressure: 30.87 ins. Hg, rising, then more quickly Visibility: 25 miles, expect 60 miles E-SSE, thin fog 6-hr Max temp: 41F 6-hr Min temp: 39F 24-hr precip: 0.00 ins. BHO SA 1155 E40 BKN 25 453/41/37/1515/087/ VSBY E-SSE 60 MI THN FG ALQDS/ 8/500 53003 10041 20039 10 A.M. Weather: Scattered stratocumulus, scattered cirrus Temperature: 49F; Dew Point 42F; Wind: SSE at 15G22 kts, Peak Wind: 26 kts SSE @ 9:13 AM EST Sea-level pressure: 30.86 ins. Hg, rising, then falling and lower Visibility: 30 miles, except 20 miles WSW-W, thin fog BHO SA 1455 31 SCT 250 SCT 30 451/49/42/161522G/086/ VSBY WSW-W 20 MI THN FG ALQDS PK WND 1626/13/ 8/501 58002 SUMMARY FOR WEDNESDAY, NOVEMBER 25, 2015 TEMPERATURE (DEGREES F) MAX.....46 NORMAL.....47 MIN.....31 NORMAL.....31 MEAN....39 NORMAL.....39 DEPARTURE FROM 30-YEAR NORMAL......................+0 TOTAL DEPARTURE FOR THE MONTH....................+119 [+4.6 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............26 DEPARTURE..........+0 TOTAL HEATING UNITS FOR THE MONTH.............441 DEPARTURE........-119 TOTAL HEATING UNITS FOR THE SEASON............895 DEPARTURE........-229 TOTAL HEATING UNITS LAST SEASON TO DATE.......999 DIFFERENCE.......-104 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................18 SSE AT 10:27 P.M.* ASOS........................20 SE AT 9:39 P.M. DAVIS.......................20 SE AT 9:29 P.M. RMY 24 FASTEST MILE FOR YESTERDAY.....................17 SSE AT 11:33 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................16 SSE AT 11:34 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................16 SSE AT 11:34 P.M. AVERAGE WIND SPEED AND DIRECTION................9.0 ASOS.........................9.2 DAVIS........................8.1 ESE [110 Deg.] * Last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.00 DEPARTURE.....-0.16 ASOS...............0.00 TOTAL PRECIPITATION FOR THE MONTH...........2.40 DEPARTURE.....-1.55 ASOS...............2.42 TOTAL PRECIPITATION FOR THE YEAR...........39.23 DEPARTURE.....-8.49 ASOS................N/A *** *** ASOS annual total not available due to erroneous readings PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST RMY: R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 11/1 59/45/52/+6/T/006/01 30 SSW RMY 31 11/2 62/47/55/+9/0.00/476/77 24 W RMY N/A 11/3 71/44/58/+12/0.00/616/100 25 W RMY 25 11/4 66/49/58/+13/0.00/601/98 22 SSW RMY N/A 11/5 72/51/62/+17/0.00/281/46 31 SW RMY 36 11/6 71/60/66/+21/0.00/109/18 35 SSW RMY 38 11/7 64/46/55/+10/0.00/029/04 33 WNW RMY 35 11/8 54/39/47/+3/0.00/591/98 26 NW RMY 30 11/9 59/38/49/+5/0.00/577/96 20 W RMY 21 11/10 53/45/49/+5/..../000/00 28 NE RMY N/A 11/11 48/43/46/+3/..../000/00 41 NE RMY N/A 11/12 55/42/49/+6/..../000/00 28 S RMY 30 11/13 57/41/49/+6/..../385/65 40 WSW RMY 47 11/14 45/31/38/-4/0.00/425/72 40 NW RMY 47 11/15 51/31/41/-1/0.00/.../.. 25 W RMY 27 11/16 59/36/48/+6/0.00/.../.. 25 NNW RMY 29 11/17 45/28/37/-4/0.00/.../.. 18 NNE RMY N/A 11/18 50/35/43/+2/0.00/.../.. 17 SSE RMY N/A 11/19 55/38/47/+6/..../.../.. 29 SSE RMY N/A 11/20 58/41/50/+10/..../.../.. 43 SSE RMY N/A 11/21 46/35/41/+1/0.00/.../.. 20 ENE RMY 21 11/22 45/35/40/+0/..../000/00 26 NW RMY 28 11/23 40/25/33/-6/0.00/.../.. 24 NW RMY 29 11/24 42/23/33/-6/0.00/.../.. 20 WSW RMY 19 11/25 46/31/39/+0/0.00/.../.. 18 SSE RMY N/A 11/26 low since midnight is 37F; normal low is now 30F DAILY RECORDS FOR NOVEMBER 2015 **11/6 DAILY RECORD MAXIMUM TEMPERATURE OF 71F TIES PREVIOUS RECORD OF 71F SET IN 1959 **11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F BREAKS PREVIOUS RECORD OF 58F SET IN 1938 **11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F TIES PREVIOUS MONTHLY RECORD OF 60F SET ON 11/8/1996 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR NOVEMBER 26 HIGH 66 IN 1979 LOW 6 IN 1938 PRECIP 2.22 INS IN 1888 SNOWFALL 3.0 INS IN 1974 PEAK GUST 78 SSE IN 1964 RECORDS FOR NOVEMBER 27 HIGH 68 IN 1896 LOW 5 IN 1932 PRECIP 1.92 INS IN 1898 SNOWFALL 16.0 INS IN 1898 PEAK GUST 68 NW IN 1997 TODAY'S REPORT PREPARED BY: Brian Fitzgerald