From: Robert Skilling To: Subject: BLUEHILL MA 211000 BKN 45 37/20/WNW27G36/2988R/ Date: Wednesday, February 21, 2001 11:48 AM BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA WEDNESDAY FEBRUARY 21 2001... PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ All of our daily February data to date are included on this page below.... DAILY DISCUSSION....10 A.M. 2/21/2001 MONTHLY TEMPERATURE DEPARTURE SORES TO PLUS 70 DEGREES! WARMEST READINGS SINCE DECEMBER 17TH.. The official high temperature for yesterday was 53 degrees, which was the second highest reading of the entire winter to date. Back on December 17, 2000, the temperature reached a record breaking 63 degrees. Yesterday was only the second day this winter to date where temperatures remained above freezing all day, the low for the day was 33. The highest temperature during January was 49 degrees. Yesterday's max of 53 and min of 33 created a mean of 43 degrees which was some 15 degrees above normal for the date. This sent the total monthly departure to plus 70 degrees. This means the month is averaging about 3.5 degrees above normal daily. TODAY'S MANUAL OBSERVATIONS AT BLUE HILL... 2/20/2001 TUE 7 A.M. BHO SA 1155 200 -SCT 15 107/37/31/2817/985/ FEW SC SSE-WSW AND N AC LYR DSNT NE-SE HAZY/ 8/579/ 4/001 56002 10039 20036 10 A.M. BHO SA 1455 E50 BKN 120 BKN 180 BKN 45 117/37/20/2923G31/988/ VSBY NW 60 PK WND 2939/05/ HAZY/ 8/232/ 51010 DATA RECORDED FOR TUESDAY FEBRUARY 20... TEMPERATURES.... MAX 53 MIN 33// ASOS MAX 53 ASOS MIN 33 MEAN 43 [+ 15] TOTAL DEP FOR MONTH: + 70 degrees The month of February is running 3.5 degrees milder than normal daily. PRECIPITATION.... 24 HRS ENDING 7 A.M...0.00 IN. MONTH: 2.10 [ - 0.98] YEAR: 5.25 [ - 1.98] SNOWFALL... 24 HRS ENDING 7 A.M...NONE MONTH: 14.8 INS. SEASON: 44.6 INS. PEAK GUST ASOS: 30 MPH SSW @ 1:36 A.M. PEAK GUST: 31 MPH SSW @ 12:25 A.M. PEAK GUST AERO: 34 MPH SSW @ 12:25 A.M. RECORDS FOR FEBRUARY 21 HIGH 62 IN 1930 LOW -06 IN 1950 PRECIP 2.42 INS IN 1898 WIND 72 MPH WNW IN 1967 RECORDS FOR FEBRUARY 22 HIGH 63 IN 1997 LOW -01 IN 1918 PRECIP 1.38 INS IN 1900 WIND 74 MPH S IN 1974 DAILY FEBRUARY 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snow/sun mins/%/pk gust 1 45/30/38/+13/0/0/325/54/31 W 2 38/27/33/+8/0.02/0.2/060/10/24 W 3 32/18/25/-+/0/T/T/497/82/40 W 4 30/13/22/-3/0/0/176/29/ 20 S 5 36/26/31/+6/1.55/11.5/000/00/ 46 N 6 40/28/34/+8/0.08/1.0/411/67/ 51 NW (62 mph NW Aero) 7 40/27/34/+8/0/0/615/100/ 35 WNW 8 36/24/30/+4/0.12/1.6/049/08/23 WNW 9 46/29/38/+12/0.07/T/000/00/39 SSW 10 48/20/34/+8/0.01/0/536/86/64 W (69 MPH W Aero) 11 21/10/16/-10/0/0/625/100/48 NW (55 MPH NW Aero) 12 29/05/17/-10/0/0/629/100/30 WNW 13 43/22/33/+6/T/0.1/536/85/29 WNW 14 41/28/35/+8/0.05/0/152/24/35 SSW 15 40/27/34/+7/T/0/191/30/33 NW 16 38/23/31/+4/0.19/0.4/089/14/22 SE 17 34/14/24/-3/0.01/T/372/58/ 59 W 18 27/08/18/-10/0/0/644/100/ 36 WNW 19 38/17/28/+-0/537/83/ 36 SSW 20 53/33/43/+15/NA/NA/ 31 SSW Matt Douglas