BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, FEBRUARY 22, 2016  ALL TIMES ARE IN EASTERN STANDARD TIME HIGH PRESSURE OVERSPREADS THE REGION,  CONDITIONS BACK TO SEASONABLE LEVELS  Following a much warmer than average weekend, temperatures dipped back down into the 30s overnight, reaching 30F just before this  morning's 7:00 AM EST observation. Temperatures yesterday made it to the 50s for the second consecutive day reaching a maximum of 53F.  Blue skies and dry conditions have prevailed today, and by the  1:00 PM EST observation skies were still mostly sunny with only some scattered stratocumulus above. Temperatures had leveled out in the lowers 40s, reaching a maximum so far of 44F. Today's Observations: 7 A.M. Weather: Clear, few stratocumulus/cumulus distant offshore NE-ESE, second layer of stratocumulus in all directions Temperature: 31F; Dew Point: 21F; Wind: NNW at 7 kts, Sea-level pressure: 30.08 ins. Hg, increasing, then more quickly Visibility: 75 miles 6-hr Max temp: 38F  6-hr Min temp: 30F 24-hr precip: 0.00 ins. 24-hr snowfall: 0.0 ins. BHO SA 1155 CLR 75 185/31/21/3407/008/ FEW SC/CU DSNT OFFSHR NE-ESE FEW SC ALQDS/ 8/800 53026 10038 20030 10 A.M. Weather: Clear, few stratocumulus/cumulus distant SW-NW, few stratocumulus distant offshore NE-SE, few altocumulus lenticularis E, few altocumulus distant NW-NE Temperature: 40F; Dew Point: 21F; Wind: estimated NW at 7 kts Wind Direction: Variable, 250 varying 260 degrees Sea-level pressure: 30.11 ins. Hg, rising, then more slowly Visibility: 80 miles BHO SA 1455 CLR 80 198/40/21/E3107/011/ FEW SC/CU DSNT SW-NW FEW SC DSNT OFFSHR NE-SE FEW ACSL E FEW AC DSNT NW-NE WND 25V36/ 8/840 51013 1 P.M. Weather: Scattered stratocumulus Temperature: 43F; Dew Point: 22F; Wind: estimated NW at 6 kts Wind Speed and Direction: Light and Variable Sea-level pressure: 30.09 ins. Hg, rising, then falling and lower Visibility: 75 miles 6-hr Max temp: 44F 6-hr Min temp: 31F  BHO SA 1755 40 SCT 75 189/43/22/E3106/009/ WND LGT AND VRB/ 8/500 58009 10044 20031 SUMMARY FOR SUNDAY, FEBRUARY 21, 2016     TEMPERATURE (DEGREES F) MAX.....53   NORMAL.....38 MIN.....39   NORMAL.....20  MEAN....46   NORMAL.....29 DEPARTURE FROM 30-YEAR NORMAL........................+17 TOTAL DEPARTURE FOR THE MONTH........................+51 [+2.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............19   DEPARTURE.........-17 TOTAL HEATING UNITS FOR THE MONTH.............740   DEPARTURE.........-53 TOTAL HEATING UNITS FOR THE SEASON...........3482   DEPARTURE........-841 TOTAL HEATING UNITS LAST SEASON TO DATE......4382   DIFFERENCE.......-900 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY...................39 WNW AT  4:56 A.M.                                            ASOS........................39 WNW AT  4:57 A.M.                         DAVIS.......................37 W   AT  4:56 A.M. RMY 39 FASTEST MILE FOR YESTERDAY.....................28 WNW AT  4:59 A.M.      MAXIMUM 2-MINUTE ASOS AVERAGE..................28 W   AT  5:02 A.M.       MAXIMUM 2-MINUTE DAVIS AVERAGE.................25 WNW AT  4:57 A.M.       AVERAGE WIND SPEED AND DIRECTION...............14.8 W                    ASOS........................13.5                      DAVIS.......................11.9 WNW [285 Deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.15                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........4.09  DEPARTURE......+1.13                          ASOS..............4.33 TOTAL PRECIPITATION FOR THE YEAR...........7.86  DEPARTURE......+0.55                            ASOS..............8.27 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.......-0.5 TOTAL SNOWFALL FOR THE MONTH...............22.5  DEPARTURE......+12.1 TOTAL SNOWFALL FOR THE SEASON..............38.1  DEPARTURE.......-5.4 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/ AERO/RMY GUST AERO: Aerovane wind recording system 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 2/1   64/40/52/+26/0.00/0.0/305/51          36 WNW AERO 37 W   RMY 34 2/2   48/31/40/+14/0.00/0.0/602/100         23 NW  AERO 23 WNW RMY N/A 2/3   55/34/45/+19/0.80/0.0/000/00          55 SSE AERO 58 SSE RMY 53 2/4   55/39/47/+21/..../0.0/000/00          37 W   AERO 36 W   RMY 35 2/5   39/19/29/+3/..../12.5/000/00          37 NNW AERO 39 NNW RMY 35 2/6   35/17/26/0/0.00/0.0/532/87            25 SSW AERO 24 SSW RMY 23  2/7   43/26/35/+8/0.00/0.0/.../..           35 ENE AERO 35 ENE RMY N/A 2/8   36/16/26/-1/..../.../000/00           53 NE  AERO 55 NE  RMY 53 2/9   26/17/22/-5/..../.../000/00           21 N   AERO 22 N   RMY N/A 2/10  33/21/27/+0/0.01/0.0/.../..           23 W   AERO 23 W   RMY 21 2/11  26/7/17/-10/T/T/.../..                39 W   AERO 47 W   RMY 42 2/12  23/4/13/-14/0.00/0.0/.../..           31 WNW AERO 38 WNW RMY 21 2/13  21/-7/7/-21/0.00/0.0/.../..           41 W   AERO 46 WNW RMY 43  2/14  10/-14/-2/-30/0.00/0.0/632/100        33 WNW AERO 46 WNW RMY N/A 2/15  32/-2/15/-13/..../1.2/.../..          24 E   AERO 28 E   RMY N/A 2/16  55/32/44/+16/..../0.0/.../..          65 SSE AERO 69 SSE RMY 64 2/17  43/30/37/+9/0.00/0.0/.../..           33 W   AERO 35 W   RMY N/A 2/18  32/20/26/+3/0.00/0.0/.../..           25 NNW AERO 29 NW  RMY 25  2/19  39/16/28/-1/0.01/T/.../..             24 SSW AERO 26 SSW RMY N/A 2/20  58/31/45/+16/..../.../.../..          44 SSW AERO 44 SSW RMY 41 2/21  53/39/46/+17/0.00/0.0/.../..          39 WNW AERO 43 WNW RMY 39  2/22  morning low temp. since midnight 30F; normal now 20F DAILY RECORDS FOR FEBRUARY 2016 2/14/16: **NEW DAILY RECORD LOW MINIMUM TEMPERATURE OF -14F, SURPASSING PREVIOUS RECORD OF -8F SET IN 1979** 2/14/16: **TIED DAILY RECORD LOW MAXIMUM TEMPERATURE OF 10F, MATCHING PREVIOUS RECORD OF 10F SET IN 1979** DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):  RECORDS FOR FEBRUARY 22 HIGH 63F IN 1997 LOW -1F IN 1918 PRECIP 1.38 INCHES IN 1900 SNOWFALL 8.0 INCHES IN 1893 PEAK GUST 74 MPH S IN 1974 RECORDS FOR FEBRUARY 23 HIGH 62F IN 1990 LOW -8F IN 1907 PRECIP 1.48 INCHES IN 1967 SNOWFALL 10.6 INCHES IN 1967 PEAK GUST 73 MPH WNW IN 1974 TODAY'S REPORT PREPARED BY: Brian Fitzgerald