From: Robert Skilling To: Charlie Orloff (BHO) Subject: BLUEHILL MA 061300 SCT 50 39/24./W23G37/2977/R:1.63/S:12.5/G:17 Date: Tuesday, February 06, 2001 1:20 PM BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY FEBRUARY 6 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ CORRECTED....FOR SUBJECT LINE.... DAILY DISCUSSION....1 P.M. 2/6/2001 A FOOT OF NEW SNOW ON THE SUMMIT....ABOUT 7 INCHES AT THE BASE We measured 12.5 inches average on the snow board and average of 18 inches on the ground in the clearing here at the summit this morning. The melted precipitation totaled 1.63 inches for the storm... Many thanks to Jim Redman for helping with this morning's snowfall and snow on the ground readings. Peak wind gusts reached 60 MPH several times during last night. The actual peak gust was 62 MPH on Aerovane from NW at 12:32 A.M. this morning while ASOS had a peak of 51 MPH NW. Our lowest pressure was 29.29 inches at 12:34 A.M. Robert Skilling / Jim Redman DAILY FEBRUARY 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snow/sun mins/%/pk gust (no sunshine data available yet) 1 45/30/38/+13/0/0/.../../31 W 2 38/27/33/+8/0.02/0.2/.../../24 W 3 32/18/25/-+/0/T/T/.../../40 W 4 30/13/22/-3/0/0/.../../ 20 S 5 36/26/31/+6/1.55/11.5/000/00/ 46 N 6 /28/../../0.08/1.0/ 51 MPH NW (62 mph nw Aerovane) TODAY'S MANUAL OBSERVATIONS.... 2/6/2001 TUE 7.A.M. BHO SA 1155 250 SCT 30 044/29/28/2819G28/966/ CI/CS LYR NW-E LGT HAZE PK WND 2932/10/ PRESRR TOTAL NEW SNW PST 24 HRS 12.5 INS/ 8/008/ 4/018 51062 6002/ 70163 10031 20028 10 A.M. BHO SA 1455 CLR 25 070/35/28/2722G31/974/ FEW CUFRA FRMG FEW SC HAZY PK WND 2832/16/ 8/800/ 51026 1 P.M. BHO SA 1755 35 SCT 50 080/39/24/2620G30/977/ PK WND 2634/27/ WND 22V29/ 8/400/ 51010 10039 20029 RECORDS FOR FEBRUARY 06 HIGH 54 IN 1909 LOW -10 IN 1895 PRECIP 1.88 INS IN 1896 WIND 84 MPH NE IN 1978 RECORDS FOR FEBRUARY 07 HIGH 51 IN 1951,1953 LOW -08 IN 1910 PRECIP 2.12 INS IN 1893 WIND 87 MPH SSE IN 1951 THE JANUARY 2001 STATS.... Mean: 27.3 [ +2.0 ] High: 49/31st Low: 09/10th HDD: 1160 [ -71 ] Precip: 3.15 [ -1.00 ] Snow: 19.7 [ + 4.2 ] Sunshine: 51% of possible [ + 5% ] DAILY JANUARY 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snow/sun mins/%/pk gust 1 31/18/25/-1/0/0/549/100/28 W 2 28/13/20/-6/0/0/490/89/28 NW 3 31/12/22/-4/0/0/512/93/24 NW 4 31/19/25/-1/0/0/282/51/22 W 5 31/18/25/-1/0.09/1.0/205/37/21 SE 6 35/27/31/+5/0.27/1.8/0 / 0 / 28 NW 7 34/21/28/+2/0/0/405/73/24 WNW 8 38/30/34/+8/0.09/1.0/183/33/14 N 9 31/18/25/-1/0.23/4.0/0 /0/ 27 W 10 23/9/16/-9/T/T/548/98/43 NNW 11 37/13/25/0/0/185/ 33/ 36 W 12 29/20/25/0/0/ 550/98/ 27 W 13 35/16/26/+1/0 / 0/ 417/74/ 21 WSW 14 41/25/33/+8/ 0 / 0 / 209/37/ 22 WSW 15 35/22/29/+4/ 0.50/ 2.5/ 0 / 0/ 25 NE 16 38/23/31/+6/ T / 0/068/12/30 WNW 17 39/24/32/+7/ 0 / 0/290/51/30 WNW 18 29/18/24/-1/ T/T/ 223/39/ 18 SSE 19 35/27/31/+6/0.50/0.3/ 0 /0/ 20 N 20 32/25/29/+4/0.17/1.5/0 / 0/ 31 NE 21 28/17/24/-1/0.68/7.5/185/32/ 38 NNW 22 33/14/24/-1/0 / 0/ 556/96/ 21 W 23 36/20/28/+3/ 0 /0/ 500/86/ 24 S 24 38/24/31/+6/ 0/ 0/ 262/45/ 21 NNW 25 38/23/31/+6/ 0/ 0/ 486/83/ 23 NNW 26 35/15/25/0/ 0 / 0/ 559/95/ 21 NNW 27 35/24/30/+5/ 0.01/0.1/ 0 / 0/ 30 WNW 28 33/21/27/+2/ 0 / 0/ 551/93/ 32 WNW 29 35/17/26/+1/ 0 / 0/ 576/ 97/ 24 SW 30 43/25/36/+9/ 0.56/ T /000 /00/ 38 ESE 31 49/31/40/+15/0.05/0/ 161 / 27/ 38 W Robert Skilling