BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTSELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MADAILY DISCUSSION AND CLIMATE SUMMARYFRIDAY, AUGUST 1, 2014 ALL TIMES ARE IN EASTERN STANDARD TIMETHE JULY 2014 PRELIMINARY STATS TEMPERATURE [deg. F] Av. Max. 80.8 Av. Min. 63.5 Mean 72.2 [+0.3] 24-hour corr. mean: 72.0Max. temp. for month: 91 on 3rd Min, temp. for month: 55 on 5th Total heating degree day units: None Total cooling degree day units: 228Total seasonal cooling units: 337 [-14] Season [1/1 thru 7/31]PRECIPITATION [ins.]Total: 5.08 [+1.06]Greatest one calendar day: 2.48 [4th] *Greatest in 24 hours 2.73 [4-5th] * new record for date; previous was 1.78 in 1950 WIND Av. wind speed: 11.4 MPH Av. corr. wind speed: 11.8 MPH Prevailing direction: to be reported later SUNSHINE to be reported later Today's Observations:7 A.M.Weather: Thin scattered cirrus, thin overcast cirrostratus,thin fog Temperature: 68F; Dew Point: 65F; Wind: W at 9 ktsSea-level pressure: 30.23 ins. Hg, rising then more rapidly Visibility: 6 miles, except 8 miles SW, thin fog 6-hr max temp: 68F6-hr min temp: 63F24-hr precip: NoneBHO SA 1155 220 -SCT 300 -OVC 6F 237/68/65/2709/023/ 8/007 53009 10068 2006310 A.M. Weather: Scattered dense cirrostratus, thin overcast cirrostratus, cumulus fractus and cumulus forming Temperature: 78F; Dew Point: 63F; Wind: S at 5 kts,Wind: Light Sea-level pressure: 30.25 ins. Hg, rising slightly Visibility: 15 miles, hazy BHO SA 1455 220 SCT 300 -OVC 15 242/78/63/1705/025/CUFRA/CU FRMG/ HAZY/ 8/107 53005 1 P.M. Weather: Broken towering cumulus, moderate cumulus, cumulus,broken altocumulus, overcast cirrostatus, layer partly thin Temperature: 85F; Dew Point: 64F; Wind: S at 10 ktsSea-level pressure: 30.11 ins. Hg, falling slightly Visibility: 15 miles, hazy 6-hr max temp: 85F 6-hr min temp: 68F BHO SA 1755 35 SCT E45 BKN 160 BKN 250 OVC 15 235/85/64/1910/022/ TCU/MDT CU ALQDS 250 OVC PTLY THN HAZY/ 8/237 58007 10085 20068 WEATHER SUMMARY FOR THURSDAY, JULY 31, 2014 TEMPERATURE (DEGREES F)MAX.....80 NORMAL.....81MIN.....61 NORMAL.....63MEAN....71 NORMAL.....72DEPARTURE FROM 30-YEAR NORMAL.........................-1TOTAL DEPARTURE FOR THE MONTH........................+20 [+0.5 DEGREE/DAY]COOLING DEGREE DAYS (SEASON JAN TO DEC)TOTAL COOLING UNITS FOR YESTERDAY..............6 DEPARTURE..........-1TOTAL COOLING UNITS FOR THE MONTH............228 DEPARTURE..........+6 TOTAL COOLING UNITS FOR THE SEASON...........337 DEPARTURE.........-14TOTAL COOLING UNITS LAST SEASON TO DATE......483 DIFFERENCE.......-146PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................27 S AT 4:47 P.M. * ASOS.......................29 S AT 4:32 P.M. DAVIS......................28 S AT 4:48 P.M. RMY 29 FASTEST MILE FOR YESTERDAY....................23 S AT 5:41 P.M. * MAXIMUM 2-MINUTE ASOS AVERAGE.................23 S AT 5:42 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE................21 S AT 4:34 p.m. AVERAGE WIND SPEED AND DIRECTION.............12.2 S ASOS......................11.9 DAVIS.....................10.9 SSW [200 deg.] * last of several occurrences...PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE..........-0.16 ASOS..............0.00TOTAL PRECIPITATION FOR JULY...............5.08 DEPARTURE..........+1.06 ASOS..............5.05 TOTAL PRECIPITATION FOR THE YEAR..........29.63 DEPARTURE..........-1.37 ASOS.............29.56 PRELIMINARY CLIMATE SUMMARY FOR JULY 2014 CALENDAR DAY DATADATA REPORTED:DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUSTRMY: R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day)....: Data not yet available, records not finalized7/1 85/66/76/+6/0.00/695/76 31 SSW RMY 367/2 89/69/79/+9/T/639/70 33 SSW RMY 38 7/3 91/68/80/+9/0.05/611/67 29 W RMY 30 TSTM7/4 72/61/67/-4/2.48/027/03 28 N RMY N/A TSTM7/5 77/55/66/-5/0.27/738/81 36 NW RMY N/A 7/6 83/61/72/+1/0.00/892/98 29 SW RMY 337/7 85/65/75/+4/T/563/62 33 SW RMY 38 TSTM [NO RAIN] 7/8 89/70/80/+8/0.00/763/84 31 SW RMY 38 7/9 86/70/78/+6/0.00/779/86 28 SSW RMY N/A 7/10 80/65/73/+1/0.00/597/66 16 NW RMY N/A7/11 76/62/69/-3/0.00/732/81 22 NE RMY N/A 7/12 85/60/73/+1/0.00/849/94 21 S RMY 25 7/13 82/64/73/+1/0.01/676/75 31 S RMY 357/14 83/69/76/+4/0.54/207/23 25 S RMY 277/15 82/70/76/+4/0.02/135/15 26 S RMY 29 TSTM7/16 73/65/69/-3/0.98/000/00 27 SSW RMY 32 TSTM7/17 79/62/71/-1/T/573/64 15 WSW RMY 17 7/18 80/60/70/-2/0.00/822/92 15 NW RMY 167/19 77/63/70/-2/0.00/054/06 13 E RMY 14 7/20 72/60/66/-6/T/312/35 16 ENE RMY 167/21 76/59/68/-4/0.00/667/75 16 E RMY 197/22 88/63/76/+4/0.00/816/92 22 SSW RMY 25 7/23 88/68/78/+6/0.00/770/87 29 S RMY 327/24 74/63/69/-3/0.01/291/33 18 ENE RMY 187/25 80/56/68/-4/0.00/.../.. 18 NW RMY N/A 7/26 82/63/73/+1/0.00/.../.. 28 SSW RMY 327/27 75/65/70/-2/0.61/.../.. 28 SSE RMY 30 TSTM 7/28 81/65/73/+1/0.11/.../.. 36 S RMY 40 TSTM7/29 78/60/69/-3/0.00/.../.. 22 WNW RMY 247/30 78/59/69/-3/0.00/.../.. 16 W RMY 18 7/31 80/61/71/-1/0.00/.../.. 27 S RMY 29 8/1 morning low of 63F; the normal low is now 63F DAILY RECORDS FOR JULY 2014:7/4 NEW DAILY RECORD RAINFALL OF 2.48 ins; surpasses previous record of 1.78 ins. in 19507/16 NEW DAILY RECORD RAINFALL OF 0.98 ins; surpasses previous record of 0.89 ins. in 1919DAILY EXTREMES Temperature and precipitation records back to 1885, andwind records back to 1940 (e = estimated): RECORDS FOR AUGUST 1HIGH 97F IN 1917LOW 49F IN 1891PRECIP 3.61 INCHES IN 1927PEAK GUST 41 MPH NNW IN 1985RECORDS FOR AUGUST 2HIGH 101F IN 1975 [STATION RECORD MAXIMUM - Tied with 8/10/1949]LOW 50 IN 1929, 1947PRECIP 1.59 INCHES IN 1946PEAK GUST 50 MPH SW IN 2006TODAY'S REPORT PREPARED BY: Robert Skilling