BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY FRIDAY, MAY 13, 2005 ALL TIMES EASTERN DAYLIGHT TIME UNLESS OTHERWISE NOTED TODAY'S DISCUSSION.... THIS MORNING, THE RECORD LOW TEMPERATURE OF 35 DEGREES ORIGINALLY SET IN 1914 WAS TIED NEAR 5AM STANDARD TIME. TODAY'S OBSERVATIONS 8 AM BHO SA 1155 CLR 80 289/42/17/2913G20/038/ THN K LYR ALNG HRZN NE-SE FEW AC SE-SW/ 8/001 50007 10042 20035 10 AM BHO SA 1455 CLR 75 276/50/15/2914G24/034/ FEW CI DSNT SW/ 8/001 56013 2 PM BHO SA 1755 250 -SCT 70 245/58/16/2713G22/025/ FEW AC S/ 8/071 56031 10058 20042 WEATHER SUMMARY FOR THURSDAY, MAY 12: TEMPERATURE (DEGREES F) MAX.....60 NORMAL.....66 MIN.....41 NORMAL.....46 MEAN....51 NORMAL.....56 DEPARTURE FROM 30-YEAR NORMAL...... - 5 TOTAL DEPARTURE FOR MAY.............- 49 [-4.1 DEGREES/DAY] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.12 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........1.72 DEPARTURE....+0.23 ASOS..............1.67 TOTAL PRECIPITATION FOR THE YEAR..........22.81 DEPARTURE....+3.52 ASOS.............21.70* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0 DEPARTURE......0.0 TOTAL SNOWFALL FOR THE MONTH................0.0 DEPARTURE.....-0.1 TOTAL SNOWFALL FOR THE SEASON.............119.4 DEPARTURE....+59.3 YESTERDAY'S PEAK GUSTS AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........40 NW AT 8:06 A.M. AEROVANE.........44 NW AT 8:07 A.M. ASOS.............38 WNW AT 8:09 A.M. FASTEST MILE FOR YESTERDAY......... 29 NW AT 8:09 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......29 WNW AT 8:09 A.M. THE PRELIMINARY CLIMATE SUMMARY FOR MAY 2005...... CALENDAR DAY DATA DATA REPORTED HERE ENDING MIDNIGHT STANDARD TIME DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 5/1 57/44/51/-1/0.14/118/14 33 MPH WNW 5/2 63/39/51/-1/0.05/593/70 43 MPH S 5/3 58/38/48/-5/0/604/71 30 MPH WSW 5/4 59/40/50/-3/T/400/47 21 MPH E 5/5 60/38/49/-4/0/777/91 23 MPH E 5/6 54/42/48/-6/0.08/103/12 26 MPH NNE 5/7 44/39/42/-12/1.19/000/00 58 MPH N 5/8 47/39/43/-11/0.22/000/00 43 MPH NNW 5/9 52/43/48/-7/0.04/026/03 36 MPH N 5/10 64/46/55/0/0/.../.. 20 MPH E 5/11 75/46/61/+6/0/.../.. 27 MPH S 5/12 60/41/51/-5/0/0/.../.. 40 MPH NW DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MAY 13 HIGH 85F IN 1947 LOW 35F IN 1914 PRECIP 2.05 INCHES IN 1975 PEAK GUST 49 MPH NNW IN 1965 RECORDS FOR MAY 14 HIGH 85F IN 1961 LOW 33F IN 1895 PRECIP 0.92 INCHES IN 1931 PEAK GUST 50e MPH SW IN 1976 Today's report by: Andrew Hoell