BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA MONDAY JUNE 03 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ SEE OUR NEW OFFICE CAM FACING WEST OUT WEST WINDOW AT www.bluehill.org/webcam DAILY DISCUSSION... 6/3/2002... MAY 2002 .... FIRST MONTH TO AVERAGE BELOW NORMAL IN TEMPERATURE SINCE JULY 2001... FIRST MONTH TO HAVE ABOVE NORMAL PRECIPITATION SINCE AUGUST 2001... SLEET OBSERVED ON MAY 18TH, 3RD LASTEST OBSERVATION OF SLEET ANY SEASON FROZEN PRECIPITATION EXTENDS TO 233 DAYS....A NEW RECORD May 2002 averaged 1.2 degrees cooler than the 30-year average and was our first cooler-than-normal month since July last year. Also, the precipitation total of 6.80 inches was well above normal and the month became the first wetter-than-normal month since August 2001. The sleet that was mixed with the heavy rain in the nor-easter on the 18th was our third latest seasonal occurrence of same on record. In addition, the dates of first and last frozen precipitation for the season ranged from October 8, 2001, to May 18, 2002, making it the longest stretch between first and last dates beating the old mark of 215 days set in 1906-1907. THE MAY STATS.... May mean temp. 55.8 [ - 1.2 ] Precipitation: 6.80 ins. [ + 3.01 ins. ] Frozen: trace ( sleet, 18th ) HDD: 292 [ + 27 ] SEASON: 5228 [ -1116 ] CDD: 13 [ - 8 ] SEASON: 20 [ - 5 ] Sunshine: 56 % was 4 points above normal.. Prevailing wind: WNW 17% Peak gust: 71 MPH W ( 3RD ) & 74 mph on Maximum, Inc. Thunderstorm days: 6 June has started out with some really nice weather. Saturday, June 1st, averaged 9 degrees warmer than normal while Sunday was one degree cooler than normal. The fair weather week-end was interrupted by some brief showers and thunderstorms on Sunday which netted a total of just 0.11 inch of rain here. SUNDAY'S OBSERVATIONS.... 6/2/2002 SUN 8 A.M. BHO SA 1155 45 SCT E75 OVC 10RW- 980/57/54/2210/947/ TB18E46 MOVD E CB E-S MOVG E BINOVC/CLRG NW VSBY WSW 8 NNE 8 WNW 45 WND GRDLY BACKING PCPN VRY LGT/ 8/97// 55005 6006/ 70006 10066 20056 11 A.M. BHO SA 1455 35 SCT 20 980/69/56/2816G25/947/ FEW MDT CU FRMG HZ LYR ALF HAZY ALQDS/ 8/200/ 50000 6001/ TODAY'S OBSERVATIONS.... 6/3/2002 MON 8 A.M. BHO SA 1155 250 -SCT 85 136/52/36/3212/993/ FEW CC OVHD WND 29V35/ 8/001/ 53023 70005 10052 20047 11 A.M. BHO SA 1455 CLR 90 145/59/37/2812/996/ CI E AND S-WNW WND 26V32/ 8/001/ 51009 2 P.M. BHO SA 1755 CLR 90 139/66/37/2713G18/994/ LONE CU DSNT SE CI SE-SW-NW/ 8/001/ 56005 10067 20052 THE DATA RECORDED FOR SUNDAY JUNE 2ND.... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX : 72 MIN: 50 // ASOS MAX: 72 ASOS MIN: 50 NORMAL HIGH AND LOW: 72/52 MEAN 61 [ - 1 ] TOTAL DEPARTURE FOR JUNE TO DATE: + 8 degrees PRECIPITATION....ON 06/03 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.04 INS. ASOS......................0.04 INS. JUNE TOTAL................0.11 INS. JUNE ASOS TOTAL...........0.11 INS. ASOS TOTAL FOR MAY....... 6.52 INS. TOTAL FOR MAY.............6.80 INS. STD GAGE DEP. FROM NORMAL........+ 3.01 INS. PRECIP. TOTAL YEAR 2002: 20.52 INS. DEPARTURE FROM NORMAL....-1.58 INS. WIND DATA....FOR 06/02... PEAK GUST ASOS: 45 MPH WNW AT 2:05 P.M. EDT PEAK GUST 420C: 48 MPH WNW AT 2:04 P.M. EDT PEAK GUST AERO: 45 MPH WNW AT 2:04 P.M. EDT MAY 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system ... data not yet available 5/1 58/38/48/-4/0.00/0/827/98/ 38 W 5/2 49/42/46/-6/0.62/0/000/00/ 35 SE 5/3 54/42/48/-5/0.02/0/747/88/ 71 W (Aero 70 MPH W)(Maximum, Inc. 74 mph ) 5/4 68/39/54/+1/0/0/842/99/ 33 WNW 5/5 72/46/59/+6/0/0/751/88/ 28 S 5/6 77/46/62/+8/0/0/668/78/ 38 S (Aero 39 MPH S)(Maximum, Inc. 40 MPH S ) 5/7 74/51/63/+9/0/0/369/43/ 39 SW 5/8 64/50/57/+3/0/0/679/79/ 30 NW 5/9 57/45/51/-4/0.07/0/009/01/ 30 ENE 5/10 76/52/64/+9/0.13/0/727/84/ 45 WNW 5/11 66/46/56/0/0/0/790/91/ 39 W 5/12 56/44/50/-6/0.43/0/000/00/ 25 SE 5/13 45/41/43/-13/1.93/0/000/00/ 45 ENE 5/14 61/41/51/-6/0.35/0/306/35/ 46 W 5/15 58/38/48/-9/T/0/543/62/ 53 MPH W (Aero 52 MPH W ) 5/16 77/46/62/+5/0/0/632/72/ 40 SSW 5/17 72/51/62/+5/0.01/0/238/27/ 32 WNW 5/18 51/35/43/-15/1.58/T/000/00/ 46 NE 5/19 58/34/46/-12/0/0/849/96/ 30 WNW 5/20 57/37/47/-11/0/0/514/58/ 22 W 5/21 61/36/49/-10/0/0/630/71/ 27 WNW 5/22 69/41/55/-4/0/0/880/99/ 28 S 5/23 77/44/61/+2/0/0/873/98/ 30 S 5/24 84/48/66/+6/T/0/804/90/ 37 NW 5/25 61/45/53/-7/0/0/841/94/ 36 NW 5/26 67/44/56/-4/T/0/206/23/ 33 SSW 5/27 76/55/66/+5/0.51/0/269/30/ 27 SSW 5/28 68/59/64/+3/0.46/0/081/09/ 21 SSW 5/29 75/58/67/+6/0.26/0/225/25/ 25 SSE 5/30 79/58/69/+8/0/0/586/65/ 30 S 5/31 79/61/70/+9/0.43/0/370/41/ 37 S JUNE 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system ... data not yet available 6/1 82/59/71/+9/0/.../../ 39 W 6/2 72/50/61/-1/0.11/.../../ 48 WNW 6/3 morning low temp. 47; normal low now 53 deg. RECORDS FOR JUNE 03 HIGH 98 IN 1919 LOW 38 IN 1929 PRECIP 1.21 INS 1947 PEAK GUST 47 MPH NW IN 1998 RECORDS FOR JUNE 04 HIGH 99 IN 1919 LOW 41 IN 1915,1926 PRECIP 1.29 INS 1898 PEAK GUST 48 MPH SSE IN 1983 e = estimated Robert Skilling