BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, OCTOBER 22, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME A NOR'EASTER BEGAN THIS MORNING WITH INCREASING NNE-NE WINDS GUSTS OF 30 TO 40 MPH BEGAN BETWEEN 7 AND 8 A.M. EDT PRECIPITATION HAS BEEN MOSTLY IN THE FORM OF LIGHT DRIZZLE WITH PERIODS OF INTERMITTENT LIGHT RAIN An October nor'easter began this morning with gentle north winds of very early this morning veering to ENE and then NE-NNE and increasing from only about 10 kts overnight to suddenly gusts of 30 to 40 MPH between about 7:30 and 8:30 A.M. EDT. Temperatures reached a maximum of 54F at 8 A.M. EDT before falling back to near 50F by late morning as the wind direction backed to NNE and finally down to 49F during the early afternoon. Precipitation has been mostly light drizzle but with periods of light rain becoming more frequent by noon. Total precipitation through 2 p.m. EDT is 0.30 inch Today's Observations: 7 A.M. Weather: Obscurement with dense fog, light drizzle and heavy fog Temperature: 54F; Dew Point: 54F; Wind: ENE at 17G29 kts, Wind: Peak wind 29 kts NE @ 6:52 A,M, Sea-level pressure: 29.98 ins. Hg, rising then falling slightly Visibility: 1/8 mile, variable 1/16 to 1/4 mile, dense fog 6-hr max temp: 54F 6-hr min temp: 48F 6-hr precip: 0.07 (ASOS) 24-hr precip: 0.23 inch BHO SA 1155 W2X 1/8VL-F 151/54/54/0617G29/998/ VSBY 1/16V1/4 PK WND 0429/52/ 8//// 50001 ASOS 60007 MANUAL 6022/ ASOS 70022 MANUAL 70023 10054 20048 10 A.M. Weather: Overcast stratus fractus, higher nimbostratus overcast Temperature: 50F; Dew Point: 50F; Wind: NNE at 15G32 kts, Wind: Peak wind from NNE at 32 kts at 9:48 A.M. EST Sea-level pressure: 29.98 ins. Hg, rising, then falling and lower Visibility: 3/4 variable 1/2 variable 1 mile, occasionally lower BHO SA 1455 E3 OVC 3/4VL-F 153/50/50/0315G32/998/ CIG RGD VSBY 1/2V1 OCNL LWR STFRA DRFTG OVR SMT PK WND 0332/48/ 8/72/ 50002 ASOS 60009 MANUAL 6009/ 1 P.M. Weather: Obscurement with fog, light drizzle and heavy fog Temperature: 49F; Dew Point: 49F; Wind: NNE at 18G28 kts, Wind: Peak wind from NNE at 30 kts at 12:02 P.M. EST Sea-level pressure: 29.91 ins. Hg, falling, then more quickly Visibility: 1/16 mile light drizzle and heavy fog 6-hr max temp: 54F 6-hr min. temp: 49F 6-hr precip: 0.22 in. BHO SA 1755 W2X 1/16L-F 129/49/49/0318G28/991/ PK WND 0230/02/ 8//// 58024 MANUAL 6022/ ASOS 60023 10054 20049 WEATHER SUMMARY FOR TUESDAY, OCTOBER 21, 2014 TEMPERATURE (DEGREES F) MAX.....61 NORMAL.....59 MIN.....49 NORMAL.....41 MEAN....55 NORMAL.....50 DEPARTURE FROM 30-YEAR NORMAL.........................+5 TOTAL DEPARTURE FOR THE MONTH........................+63 [+2.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............10 DEPARTURE...........-5 TOTAL HEATING UNITS FOR THE MONTH.............190 DEPARTURE..........-61 TOTAL HEATING UNITS FOR THE SEASON............291 DEPARTURE.........-102 TOTAL HEATING UNITS LAST SEASON TO DATE.......291 DIFFERENCE...........0 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................17 NNE AT 6:33 P.M. ASOS.......................20 N AT 11:32 P.M. DAVIS......................18 SE AT 8-9 A.M. RMY N/A FASTEST MILE FOR YESTERDAY....................14 N AT 11:34 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.................15 N AT 11:33 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE................N/A AT 11-12 A.M. AVERAGE WIND SPEED AND DIRECTION............ 8.6 SE ASOS......................8.7 DAVIS.....................7.9 ESE (110 degrees) * Last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.23 DEPARTURE........+0.08 ASOS..............0.22 TOTAL PRECIPITATION FOR THE MONTH..........3.74 DEPARTURE........+0.61 ASOS..............3.70 TOTAL PRECIPITATION FOR THE YEAR..........35.33 DEPARTURE........-6.88 ASOS.............35.50 PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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 10/1 56/55/56/-1/1.63/000/00 33 NE RMY 36 10/2 55/47/51/-6/0.29/000/00 30 NE RMY N/A 10/3 54/46/50/-6/0.05/000/00 20 NE RMY 20 10/4 63/52/58/+2/0.30/000/00 30 SE RMY 32 10/5 60/45/53/-3/0.00/658/95 26 W RMY 28 10/6 66/42/54/-1/0.00/669/97 25 SSE RMY N/A 10/7 72/54/63/+8/0.01/281/38 43 S RMY 49 10/8 72/53/63/+9/0.01/562/82 40 S RMY N/A 10/9 64/48/56/+2/0.00/648/95 35 W RMY 39 10/10 63/43/53/-1/0.00/489/72 23 W RMY N/A 10/11 50/43/47/-6/0.35/000/00 15 N RMY N/A 10/12 60/40/50/-3/0.00/681/100 20 NW RMY N/A 10/13 61/45/53/+0/0.00/054/08 23 S RMY 25 10/14 75/58/67/+15/0.00/448/67 29 S RMY 31 10/15 79/62/71/+18/0.02/459/69 32 SSW RMY 36 10/16 70/60/65/+14/0.60/000/00 37 S RMY 41 10/17 71/57/64/+13/0.00/218/33 28 SW RMY 30 10/18 71/52/62/+11/0.24/217/33 28 WNW RMY 30 TSTM 10/19 55/39/47/-3/0.00/.../.. 28 NW RMY 29 10/20 56/33/45/-5/0.00/.../.. 23 SW RMY 25 10/21 61/49/55/+5/..../.../.. 17 NNE RMY N/A 10/22 morning low temp: 48F since midnight; normal low now 41F DAILY RECORDS FOR OCTOBER 2014: 10/1 - A NEW RECORD DAILY PRECIPITATION OF 1.63 INCHES; surpasses the previous record of 1.44 ins. in 1984 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR OCTOBER 22 HIGH 85F IN 1979 LOW 22F IN 1940 PRECIP 1.37 INCHES IN 1898 SNOWFALL TRACE IN 1969, 2010 PEAK GUST 67 MPH ESE IN 1988 RECORDS FOR OCTOBER 23 HIGH 82F IN 1947 LOW 24F IN 1969 PRECIP 2.18 INCHES IN 1956 SNOWFALL 3.0 INCHES IN 1891 PEAK GUST 78e MPH NW IN 1941 TODAY'S REPORT PREPARED BY: Robert Skilling