BLUE HILL METEOROLOGICAL OBSERVATORY  MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, FEBRUARY 12, 2015    ALL TIMES ARE IN EASTERN STANDARD TIME OCEAN EFFECT SNOW BRINGS 1.4 INCHES WEDNESDAY, CLIPPER SYSTEM MOVES INTO THE REGION LATE MORNING WITH MORE SNOW Another day of snow began this morning at 9:40 AM EST when flurries began again ahead of an Alberta Clipper system. Yesterday's ocean effect snow brought a quick 1.4 inches bringing this season's snowfall total up to 103.0 inches through 1:00 PM EST yesterday. By today's 1:00 PM EST observation an additional 0.3 inches of new snow was recorded, bringing the seasonal total to 103.3 inches, and the monthly total up to 49.4 inches, still the third snowiest February on record. A maximum temperature of 26F was recorded at the observation as well, with visibility obscured to 5 miles by very light snow. Below are the list of recent records recently broken by this season's historic snowfall. More information can be found on our website BlueHill.org: BHO Greatest Snowstorms, inches (1885-2015): 1) 38.7 on 24-28 Feb, 1969 2) 30.8 on 26-28 Jan, 2015 3) 30.3 on 3-5 Mar, 1960 4) 30.1 on 6-7 Feb, 1978 5) 30.0 on 31 Mar - 1 Apr, 1997 6) 29.8 on 6-8 Mar, 2013 7) 27.7 on 7-10 Feb, 2015 8) 26.6 on 8-9 Feb, 2013 9) 24.7 on 17-18 Feb, 2003 10) 24.3 on 5-7 Dec, 2003 11) 23.0 on 5-7 Mar, 2001 12) 22.2 on 16-17 Feb, 1958 13) 21.0 on 9-10 Feb, 1969 BHO Greatest February Snowstorms, inches (1885-2015): 1) 38.7 on 24-28 Feb, 1969 2) 30.1 on 6-7 Feb, 1978 3) 27.7 on 7-10 Feb, 2015  4) 26.6 on 8-9 Feb, 2013 5) 24.7 on 17-18 Feb, 2003 6) 22.2 on 16-17 Feb, 1958 7) 21.0 on 9-10 Feb, 1969 BHO Snowiest February, inches (1885-2015): 1) 65.4 in 1969 2) 51.3 in 2003 3) 49.4 in 2015 (through Feb 12 at 1:00 PM EST) 4) 45.2 in 1967 5) 40.4 in 1920 6) 39.7 in 2013 7) 37.0 in 1893 BHO Snowiest January-February, inches (1886-2015): 1) 92.3 in 2015 (through Feb 12 at 1:00 PM EST) 2) 77.9 in 1948 3) 70.2 in 2005 4) 68.7 in 1904 5) 67.5 in 1920 6) 66.9 in 1994 BHO Greatest Snow Depth, inches (1895-2015): 1) 43 in March 1969 2) 42 in January 1948 3) 41 in February 1969 4) 39 in February 1948 5) 38 in February 1920    38 in February 2015 6) 33 in February 1978    33 in January 1996 9) 31 in February 2003    31 in February 2011 11)30 in March 1960    30 in March 1978 Today's Observations: 7 A.M. Weather: Broken altostratus, inversion present below summit, approximately 500 feet above city Temperature: 17F; Dew Point: 7F; Wind: estimated W at 1 kts Wind Speed: Light Sea-level pressure: 29.85 ins. Hg, falling, then rising Visibility: 50 miles, except 30 miles SSW-NNW, obscured by inversion 6-hr max temp: 17F 6-hr min temp: 14F 24-hr precip: 0.03 inches 24 hr snowfall: 1.4 inches  Snow depth: 36 inches  BHO SA 1155 E80 BKN 50 107/17/7/E2701/985/ VSBY SSW-NNW 30 MI INVSN PRSNT ESTMD TOP 5 HND OVR CTY NEW SNW PST 24 HRS 1.4 INS WND LGT/ 8/010 4/036 55004 ASOS 70001 MANUAL 70003 10017 20014  10 A.M.  Weather: Very light snow begins 9:40 AM EST, overcast nimbostratus Temperature: 20F; Dew Point: 15F; Wind: S at 7 kts Sea-level pressure: 29.81 ins. Hg, increasing, then decreasing Visibility: 10 miles, obscured by light snow 3-hr prcip: Trace 3-hr snowfall: Trace BHO SA 1455 E20 OVC 10S- 095/20/15/1807/981/  INVSN PRSNT ESTMD TOP 5 HND OVR CTY PRCP VRY LGT  NEW SNW PST 3 HRS TRACE/ 8/6// 58012 MANUAL 6000/ 1 P.M.  Weather: Very light snow, overcast nimbostratus Temperature: 26F; Dew Point: 22F; Wind: S at 11 kts Sea-level pressure: 29.73 ins. falling, then more quickly     Visibility: 5 miles, obscured by light snow 6 Hr precip: 0.01 inches 6 Hr Snowfall: 0.3 inches BHO SA 1755 E38 OVC 5S- 067/26/22/1911/973/ NEW SNW PST 6 HRS 0.3 INS/ 8/6// 58028 ASOS 60001 MANUAL 60001 10026 20016 SUMMARY FOR WEDNESDAY, FEBRUARY 11, 2015 TEMPERATURE (DEGREES F) MAX.....24   NORMAL.....36 MIN.....15   NORMAL.....18 MEAN....20   NORMAL.....27 DEPARTURE FROM 30-YEAR NORMAL............................-7 TOTAL DEPARTURE FOR THE MONTH...........................-94 [-8.7 DEGREES/DAY]    HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............45  DEPARTURE...........+7 TOTAL HEATING UNITS FOR THE MONTH.............518  DEPARTURE..........+93      TOTAL HEATING UNITS FOR THE SEASON...........3866  DEPARTURE..........-90 TOTAL HEATING UNITS LAST SEASON TO DATE......3947  DIFFERENCE.........-81 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY..................30 N      AT 12:54 A.M.                       ASOS.......................31 N      AT 11:58 A.M.                    DAVIS......................28 NNE    AT 12:55 A.M. RMY 29 FASTEST MILE FOR YESTERDAY....................21 N      AT 12:28 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.................21 N      AT 12:05 A.M.     MAXIMUM 2-MINUTE DAVIS AVERAGE................19 N      AT 12:58 A.M.       AVERAGE WIND SPEED AND DIRECTION............11.2 N                        ASOS.....................10.5                        DAVIS.....................9.8 N [005 degrees]  * last of several occurrences...   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.03  DEPARTURE.....-0.11                          ASOS..............0.01 TOTAL PRECIPITATION FOR THE MONTH..........4.28  DEPARTURE.....+2.79                           ASOS...............N/A *** TOTAL PRECIPITATION FOR THE YEAR...........9.45  DEPARTURE.....+3.74                          ASOS...............N/A *** *** ASOS February and annual totals not available due to erroneous readings on February 9-10th. SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........1.4  DEPARTURE......+0.9 TOTAL SNOWFALL FOR THE MONTH...............49.1  DEPARTURE.....+43.7 TOTAL SNOWFALL FOR THE SEASON.............103.0  DEPARTURE.....+64.5   PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/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 2/1  28/8/18/-8/0.00/0.0/.../..               29 WNW RMY N/A 2/2  29/8/19/-7/1.53/16.5/000/00              44 NE  RMY 46 2/3  21/0/11/-15/0.00/0.0/.../..              31 NW  RMY N/A             2/4  36/14/25/-1/0.00/0.0/.../..              31 S   RMY 33 2/5  34/4/19/-7/0.15/3.5/.../..               38 NW  RMY 39 2/6  19/-2/9/-17/0.00/0.0/.../..              28 NW  RMY 27     2/7  25/14/20/-7/..../.../.../..              25 WSW RMY N/A 2/8  29/11/20/-7/..../.../000/00              30 NNE RMY 29 2/9  19/12/16/-11/..../.../000/00             29 N   RMY 28 2/10 28/12/20/-7/..../.../.../..              29 N   RMY 29 2/11 24/15/20/-7/0.03/1.4/.../..              30 N   RMY 29 2/11 morning low temp: 14F since midnight, normal low is now 18 DAILY RECORDS FOR FEBRUARY 2015 -NEW DAILY RECORD SNOWFALL FOR 2 FEBRUARY 2015 SNOWFALL 16.5 INS. surpasses previous record:  5.5 ins. in 1916, 1934 DAILY EXTREMES  Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):                                                                   RECORDS FOR FEBRUARY 12 HIGH 56F IN 1999 LOW -14F IN 1914 PRECIP 4.85 INCHES IN 1886 [RECORD FOR MONTH] SNOWFALL 15.0 INCHES IN 2006 PEAK GUST 70 MPH E IN 1985 RECORDS FOR FEBRUARY 13 HIGH 64F IN 1951 LOW -10F IN 1967 PRECIP 2.80 INCHES IN 2008 SNOWFALL 13.5 INCHES IN 1894 PEAK GUST 60 MPH SE IN 1972 TODAY'S REPORT PREPARED BY: Brian Fitzgerald