BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, NOVEMBER 27, 2015 ALL TIMES ARE IN EASTERN STANDARD TIME WARM WEATHER CONTINUES FOR 2ND DAY OF HOLIDAY WEEKEND DEW POINTS IN UPPER 40'S RESULT IN HEAVY OVERNIGHT CONDENSATION LOW TEMPERATURE OF 48F THIS MORNING ONE DEGREE SHORT OF HIGH MINIMUM GUSTY SW WINDS REACH SPEEDS OVER 35 MPH The mild Thanksgiving Day yesterday brought a mean temperature ten degrees warmer than normal at 48 degrees. Increasing moisture over night resulted in a near record high minimum temperature of 48 degrees (record is 49F in 1976). Today's high reading has reached the lower 60's, well above the normal of 46F. Southwest winds have gusted to near 38 MPH by early afternoon. Today's Observations: 7 A.M. Weather: Overcast stratus, overcast partly thin, higher clouds visible W, thin fog drifting over summit, sun and moon occasionally dimly visible Temperature: 49F; Dew Point: 49F; Wind: SSW at 15 kts Sea-level pressure: 30.55 ins. Hg, falling then more slowly Visibility: 2 miles, except briefly SW 8 briefly NE 1/4, fog in all quadrants 6hr Max temp: 50F 6-hr Min temp:48F 24-hr precip: 0.00 ins. BHO SA 1155 E3 OVC 2F 344/49/49/2115/055/ OVC PTLY THN HIER CLDS W SUN/MOON OCNL VSBL VSBY SW BRFLY 8 NE BRFLY 1/4 THN FG DRFTTG OVR SMT HVY CONDENSATION ALL SFCS/ 8/6// 51012 10050 20048 10 A.M. Weather: Scattered variable broken stratocumulus, broken dense cirrus, overcast cirrus, thin spots in the overcast SW Temperature: 54F; Dew Point 51F; Wind: SSW at 22G27 kts, Peak Wind: 27 kts SSW @ 9:53 AM EST Sea-level pressure: 30.47 ins. Hg,falling Visibility: 35 miles, except 45 miles WNW, distant fog/haze BHO SA 1455 8 SCT E220 BKN 250 OVC 35 320/54/51/2122G27/047/ 8 SCT OCNL BKN THN SPTS IOC SW PTCHS DNS CI ALQDS VSBY WNW 45 DSNT THN FH PK WND 2127/53/ 8/502 58024 1 P.M. Weather: Scattered stratocumulus, scattered dense ci, thin broken cirrus Temperature: 61F; Dew Point 48F; Wind: SW at 235G30 kts, Peak Wind: 30 kts SW @ 12:55 PM EST Sea-level pressure: 30.37 ins. Hg, falling then more rapidly Visibility: 50 miles, light distant haze BHO SA 1755 30 SCT 220 SCT 250 –BKN 50 286/61/48/2323G30/037/ FEW ACSL NW FEW PTCHS DNS CI LGT DSNT HZ PK WND 2230/55/ 8/541 58034 10062 20049 6-hr max. temp: 62F 6-hr min. temp: 49F SUMMARY FOR THURSDAY, NOVEMBER 26, 2015 THANKSGIVING DAY TEMPERATURE (DEGREES F) MAX.....58 NORMAL.....46 MIN.....37 NORMAL.....31 MEAN....48 NORMAL.....38 DEPARTURE FROM 30-YEAR NORMAL.....................+10 TOTAL DEPARTURE FOR THE MONTH....................+129 [+4.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............17 DEPARTURE.........-10 TOTAL HEATING UNITS FOR THE MONTH.............458 DEPARTURE........-129 TOTAL HEATING UNITS FOR THE SEASON............912 DEPARTURE........-239 TOTAL HEATING UNITS LAST SEASON TO DATE......1026 DIFFERENCE.......-114 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................33 S AT 12:05 P.M. ASOS........................35 S AT 12:04 P.M. DAVIS.......................34 SSW AT 12:04 P.M. RMY 35 FASTEST MILE FOR YESTERDAY.....................26 S AT 12:05 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................28 S AT 12:05 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................26 SSW AT 12:05 P.M. AVERAGE WIND SPEED AND DIRECTION...............16.3 S ASOS........................15.1 DAVIS.......................14.7 S [180 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.....-1.71 ASOS...............2.42 TOTAL PRECIPITATION FOR THE YEAR...........39.23 DEPARTURE.....-8.65 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 58/37/48/+10/0.00/.../.. 33 S RMY 35 11/27 low since midnight is 48F; 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 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 RECORDS FOR NOVEMBER 28 HIGH 70 IN 1990 LOW 10 IN 1901,1930,1936 PRECIP 1.84 INCHES IN 1889 SNOWFALL 3.0 INS IN 1917 PEAK GUST 90 SSW IN 1958 TODAY'S REPORT PREPARED BY: Robert Skilling