BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, AUGUST 31, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME 60TH ANNIVERSARY OF HURRICANE CAROL IN 1954 TODAY HUMIDITY INCREASES RAPIDLY OVERNIGHT INTO TODAY LOW CLOUDINESS SHUTS OUT SUNSHINE BY NOON TEMPERATURES APPROACHING 80 DEGREES F VISIBILITY DROPS TO 20 MILES IN INCREASING HAZE On this date in 1954 Hurricane Carol passed across southern New England, and peak wind gusts reached 125 mph here at the summit of Blue Hill. The total precipitation during the storm was 2.46 inches in about 15 hours. Today, after many days of unusually dry air for August the humidity has increased rapidly with dew points rising through the 60's to near 70F by early afternoon. Despite low clouds and little sunshine the temperature has crept up to near 80F. Hazy conditions have lowered the visibility down to 20 miles by late morning. Today's Observations: 7 A.M. Weather: Scattered altocumulus, broken altocumulus, overcast dense cirrostratus, altocumulus layer invading, few stratus fractus E-S Temperature: 70F; Dew Point: 66F; Wind: SSW at 13G18 kts, Sea-level pressure: 30.10 ins. Hg, falling slightly Visibility: 25 miles, thin fog/hazy 6-hr max temp: 70F 6-hr min temp: 64F 24-hr precip: 0.00 BHO SA 1155 130 SCT E150 BKN 200 OVC 25 193/70/66/2113G18/010/ FEW STFRA E-S AC LYRS INVADING FEW ACSL SUN DMLY VSB THN F HAZY/ 8/657 58004 10070 20064 10 A.M. Weather: Overcast variable to broken stratocumulus, break in the overcast, high altocumulus visible Temperature: 78F; Dew Point: 69F; Wind: SW at 14G20 kts, Sea-level pressure: 30.08 ins. Hg, falling slightly Visibility: 20 miles, haze increasing BHO SA 1455 E18 OVC 20 186/78/69/2314G20/008/ 18 OVC V BKN HIER AC CLDS VSB HZ INCRSNG/ 8/5// 58007 1 P.M. Weather: Overcast stratocumulus, numerous bright spots in the overcast, occasional small break Temperature: 79F; Dew Point: N/A; Wind: SW at 16 kts, Sea-level pressure: 30.04 ins. Hg, falling Visibility: 18 miles 6-hr max. temp: 80F 6-hr min. temp: 70F BHO SA 1755 E18 OVC 18 174/79/XX/2316/004/ NMRS BRGHT SPTS IOVC OCNL SML BINOVC HAZY VSBY WNW 20/ 8/5// 56012 10080 20070 WEATHER SUMMARY FOR SATURDAY, AUGUST 30, 2014 TEMPERATURE (DEGREES F) MAX.....77 NORMAL.....77 MIN.....55 NORMAL.....60 MEAN....66 NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL.........................-2 TOTAL DEPARTURE FOR THE MONTH........................-38 [-1.5 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..............1 DEPARTURE...........-3 TOTAL COOLING UNITS FOR THE MONTH............134 DEPARTURE..........-48 TOTAL COOLING UNITS FOR THE SEASON...........471 DEPARTURE..........-62 TOTAL COOLING UNITS LAST SEASON TO DATE......631 DIFFERENCE........-160 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................23 S AT 6:58 P.M. ASOS.......................27 S AT 6:50 P.M. DAVIS......................26 SSW AT 6:58 P.M. RMY 28 FASTEST MILE FOR YESTERDAY....................19 SSW AT 9:11 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.................20 SSW AT 9:11 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE................19 S AT 4:07 P.M. AVERAGE WIND SPEED AND DIRECTION..............12.1 S ASOS.......................11.8 DAVIS......................10.9 S [190 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE..........-0.11 ASOS..............0.00 TOTAL PRECIPITATION FOR AUGUST.............1.48 DEPARTURE..........-2.44 ASOS..............1.43 TOTAL PRECIPITATION FOR THE YEAR..........31.11 DEPARTURE..........-3.80 ASOS.............31.36 PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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 8/1 86/63/75/+3/0.00/598/69 25 S RMY 29 8/2 68/59/64/-8/0.11/009/01 21 ESE RMY 22 8/3 71/60/66/-6/0.01/104/12 12 SE RMY 12 8/4 83/64/74/+2/0.00/550/64 20 S RMY 21 8/5 87/66/77/+5/0.00/798/93 17 S RMY 19 8/6 79/64/72/0/0.07/462/54 23 WNW RMY 25 8/7 79/58/69/-3/T/589/69 22 NW RMY 24 TSTM 8/8 82/55/69/-3/0.00/817/96 20 WNW RMY 20 8/9 82/60/71/-1/0.00/730/86 16 WNW RMY 17 8/10 84/63/74/+3/0.00/770/91 15 W RMY N/A 8/11 85/63/74/+3/0.00/667/79 25 S RMY 29 8/12 81/64/73/+2/0.00/387/46 25 SSE RMY N/A 8/13 69/61/65/-6/1.09/000/00 35 ESE RMY 37 8/14 73/57/65/-6/0.00/828/99 27 W RMY 29 8/15 74/56/65/-6/0.09/459/55 23 W RMY 23 TSTM 8/16 76/56/66/-5/0.00/640/77 24 SW RMY 27 8/17 78/60/69/-2/0.01/555/67 21 WNW RMY 23 8/18 77/56/67/-4/0.00/776/94 23 WNW RMY 25 8/19 78/54/66/-4/0.00/816/99 17 WNW RMY 17 8/20 78/58/68/-2/0.00/813/99 15 NE RMY 15 8/21 76/58/67/-3/T/434/53 16 ENE RMY 17 8/22 71/60/66/-4/0.07/057/07 17 NE RMY 19 8/23 71/58/65/-5/0.00/618/76 22 ENE RMY 25 8/24 78/58/68/-2/0.00/811/100 16 ENE RMY N/A 8/25 85/63/74/+5/0.00/808/100 16 NW RMY 17 8/26 89/62/70/+7/0.00/.../.. 20 SSW RMY 23 8/27 89/64/77/+8/0.03/.../.. 23 SW RMY 25 8/28 80/59/70/+1/0.00/.../.. 25 NW RMY 28 8/29 73/54/64/-5/0.00/.../.. 18 E RMY 21 8/30 77/55/66/-2/0.00/.../.. 23 S RMY 28 8/31 morning low temp: 63F since midnight; normal low now 60F morning low temp: 55F; normal low now 60F DAILY RECORDS FOR AUGUST 2014: None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 30 HIGH 94F IN 1953 LOW 39F IN 1965 PRECIP 2.75 INCHES IN 1936 PEAK GUST 43 MPH NW IN 1965 RECORDS FOR AUGUST 31 HIGH 94F IN 1953 LOW 42F IN 1976 PRECIP 2.46 INCHES IN 1954 PEAK GUST 125 MPH SE IN 1954 [CAROL - RECORD FOR MONTH] TODAY'S REPORT PREPARED BY: Robert Skilling