BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, NOVEMBER 1, 2015 ALL TIMES ARE IN EASTERN STANDARD TIME OCTOBER TEMPS. AVERAGED WITHIN 0.1 DEG. OF NORMAL PRECIPITATION WAS WELL BELOW NORMAL AT 57% OF NORMAL ADDITIONAL DATA FOR OCTOBER WILL BE FORTHCOMING... The temperature for October averaged 0.1 degrees below normal at 51.5 degrees. The total precipitation of 2.69 inches was well below normal by 57%; normal is 4.69 inches. A lot of additional data for October will become available here in our discussions during the upcoming first week of November. Today's Observations: 7 A.M. Weather: Broken altocumulus, overcast altostratus Temperature: 49F; Dew Point: 44F; Wind: S at 14 kts, Sea-level pressure: 29.96 ins. Hg, falling then more slowly Visibility: 40 miles, distant haze 6-hr Max temp: 49F 6-hr Min temp: 45F 24-hr precip: 0.00 BHO SA 1155 E110 BKN 130 OVC 40 147/49/44/1714/996/ DSNT HZ/ 8/07/ 56021 10049 20045 10 A.M. Weather: Broken altocumulus, overcast altostratus, light rain showers began and ended past hour Temperature: 52F; Dew Point 47F; Wind: SW at 8 Kts Sea-level pressure: 29.92 ins. Hg, falling then more rapidly Visibility: 35 miles, distant haze and distant thin fog BHO SA 1455 E75 BKN 95 OVC 35 133/52/47/1816/992/ DSNT HZ/THN FG RB15E40/ 8/07/ 58014 MANUAL 6000/ 3-hr precip: trace 1 P.M. Weather: Scattered cumulus, broken stratocumulus, overcast alstostratus and altocumulus Temperature: 58F; Dew Point 51F; Wind: SSW @ 17G23, Peak wind: 26 kts SSW @ 12:25 P.M. Sea-level pressure: 29.83 ins. Hg, falling then more rapidly Visibility: 35 miles, distant haze 6-hr max. temp. 58F 6-hr min. temp. 49F 6-hr precip: trace BHO SA 1755 30 SCT E40 BKN 95 OVC 35 101/57/50/2117G23/983/ BRGHT SPTS IOVC S DSNT HZ PK WND 2026/25/ 8/87/ 58032 10057 20049 SUMMARY FOR SATURDAY, OCTOBER 31, 2015 TEMPERATURE (DEGREES F) MAX.....54 NORMAL.....55 MIN.....32 NORMAL.....38 MEAN....43 NORMAL.....47 DEPARTURE FROM 30-YEAR NORMAL......................-4 TOTAL DEPARTURE FOR THE MONTH......................+3 [-0.1 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............0 DEPARTURE...........0 TOTAL COOLING UNITS FOR THE MONTH...............0 DEPARTURE..........-5 TOTAL COOLING UNITS FOR THE SEASON............810 DEPARTURE........+208 TOTAL COOLING UNITS LAST SEASON TO DATE.......595 DIFFERENCE.......+215 HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............22 DEPARTURE..........+4 TOTAL HEATING UNITS FOR THE MONTH.............411 DEPARTURE.........-10 TOTAL HEATING UNITS FOR THE SEASON............454 DEPARTURE........-109 TOTAL HEATING UNITS LAST SEASON TO DATE.......422 DIFFERENCE........+32 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................18 SSW AT 8:51 P.M. ASOS........................21 SSW AT 8:42 P.M. DAVIS.......................19 SSW AT 8:07 P.M. N/A FASTEST MILE FOR YESTERDAY.....................15 SSW AT 8:52 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................16 SSW AT 8:51 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................15 SSW AT 8:09 P.M. AVERAGE WIND SPEED AND DIRECTION...............8.2 SSW ASOS........................8.4 DAVIS...................... 7.4 W [260 Deg.] 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 OCTOBER………....... .2.69 DEPARTURE.....-2.00 ASOS..............2.73 TOTAL PRECIPITATION FOR THE YEAR...........36.83 DEPARTURE.....-6.94 ASOS................N/A *** *** ASOS annual total not available due to erroneous readings 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 55/51/53/-4/..../000/00 39 NE RMY N/A 10/2 51/47/49/-8/..../000/00 40 NE RMY 43 10/3 51/45/48/-8/..../000/00 38 NE RMY N/A 10/4 55/49/52/-4/0.00/474/68 35 E RMY 40 10/5 59/46/53/-3/T/125/18 21 NE RMY 20 10/6 68/43/56/+1/0.00/663/96 17 NW RMY 17 10/7 69/46/58/+3/0.00/640/93 20 W RMY 20 10/8 63/49/56/+2/0.00/678/99 21 S RMY N/A 10/9 68/50/59/+5/0.27/130/19 45 S RMY 49 10/10 59/44/53/-2/0.00/673/99 33 NNW RMY N/A 10/11 67/46/57/+4/0.00/582/86 26 SW RMY 28 10/12 76/50/63/+10/0.00/647/96 22 SSW RMY 24 10/13 70/55/63/+10/0.27/208/31 23 S RMY 24 10/14 66/46/56/+4/0.00/428/64 26 W RMY 29 10/15 60/41/51/-1/0.00/659/99 20 SW RMY 27 10/16 60/44/52/+1/T/471/71 31 W RMY 34 10/17 54/35/45/-6/T/482/73 30 WNW RMY 33 10/18 45/28/37/-14/0.00/480/73 24 NNW RMY 25 10/19 47/26/37/-13/0.00/648/99 25 SSW RMY 30 10/20 65/43/54/+4/0.00/306/47 28 SW RMY 28 10/21 59/51/55/+5/0.01/039/06 18 SSE RMY 21 10/22 71/51/61/+12/T/149/23 31 W RMY 34 10/23 55/34/45/-4/0.00/541/84 31 NNW RMY 34 10/24 46/33/40/-9/0.00/000/00 15 SSE RMY N/A 10/25 59/44/52/+3/0.04/019/03 29 N RMY 31 10/26 53/38/46/-2/0.00/636/100 23 NNW RMY 20 10/27 56/35/46/-2/0.00/531/81 15 SE RMY N/A 10/28 64/44/54/+6/..../019/03 53 SSE RMY N/A 10/29 72/52/62/+15/..../257/41 53 S RMY N/A 10/30 59/38/49/+2/0.00/.../.. 33 WNW RMY 35 10/31 54/32/43/-4/0.00/.../.. 18 SSW RMY N/A 11/1 low since midnight is 45F; normal low is now 38F DAILY RECORDS FOR OCTOBER 2015 -NONE DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR NOVEMBER 1 HIGH 75 IN 2003 LOW 22 IN 1913,1923 PRECIP 2.93 INCHES IN 1985 SNOWFALL TRACE IN 1906,1951 PEAK GUST 78 ESE IN 1997 RECORDS FOR NOVEMBER 2 HIGH 81 IN 1950 LOW 22 IN 1965 PRECIP 1.67 INCHES IN 1970 SNOWFALL 1.8 IN 2014 PEAK GUST 63 WSW IN 1973 TODAY'S REPORT PREPARED BY: Robert Skilling