Return-Path: Received: from mr1.harvard.net (postoffice.harvard.net [140.239.140.175]) by mas2.harvard.net (Mirapoint) with ESMTP id ABN06423; Wed, 31 Jan 2001 13:35:33 -0500 (EST) Received: from smtp.harvard.net (liferaft.harvard.net [140.239.141.144]) by mr1.harvard.net (Mirapoint) with ESMTP id AGZ61524; Wed, 31 Jan 2001 13:35:31 -0500 (EST) Received: from Weather1.bluehill.org (wks101.bluehill.org [140.239.249.101]) by smtp.harvard.net (8.11.0/8.10.1) with ESMTP id f0VIZHP23780; Wed, 31 Jan 2001 13:35:17 -0500 Message-Id: <4.3.1.0.20010131131437.00a93570@postoffice.harvard.net> X-Sender: rskilling@bluehill.org@postoffice.harvard.net X-Mailer: QUALCOMM Windows Eudora Version 4.3.1 Date: Wed, 31 Jan 2001 13:38:22 -0500 To: "Charlie Orloff (BHO)" From: Robert Skilling Subject: BLUEHILL MA 311300 OVC 6RW-FH 39/37/NE13/2952F/HI 49R:T Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA WEDNESDAY JANUARY 31 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION....1 P.M. 1/31/2001 Temperatures went up to a high of 49 degrees around noon today for the highest reading of the month. This is the lowest maximum temperature for any January here since 1987 when the maximum was only 47 degrees. A sudden windshift to northeast just after 12 noon sent the thermometer skidding down 10 degrees in one hour from 49 to 39 by 1 p.m. Apparently a back-door cold front has moved past us. Very light rain showers began shortly before 1 p.m. PLEASE SEE.... OUR JANUARY DAILY DATA AT BOTTOM OF PAGE...thru 1/30 LOW WIND SPEEDS THIS MONTH.... The average wind speed for January to date is only around 12 MPH. This is far below the average for the month which is up around 15 to 16 MPH. In addition, the peak gust for the month is below 50 MPH. On our official record, it's 43 MPH NNW on the 10th with 48 MPH on Aerovane. We looked back and could not find a January with such low winds dating back some 20 years. Of course, the month is not over so we'll have to wait and see how it turns out. This is similar to November when we reported unusually low winds for the month. A look at the month reveals some interesting stats so far. Our minimum temperature for the month is 9 degrees (not at all cold for January). In fact, the highest January minimum in the past 30 years is 12 degrees recorded in 1990. If it does not get colder by month's end then we'll have the seconds highest monthly minimum for January in the past 30 years. The month of January is averaging about 1.8degrees warmer than normal to date with a total departure of +56 degrees for 30 days. Precipitation totals 3.10 inches [ -1.05 INS.] Snowfall for the month has totaled 19.6 inches and is running ahead of the monthly norm. The normal snowfall total for all of January is 15.4 inches. We currently report 8 inches of total snow cover recorded early this afternoon at 1 p.m. at the snow stake in the enclosure and this is very representative of snow depth here at the summit of the hill. TODAY'S MANUAL OBSERVATIONS AT BLUE HILL... 7 A.M. 1/31/2001 WED BHO SA 1155 E130 BKN 12 008/38/36/2210/955/ FEW LWR SC/AC INVSN PRSNT THN F ALQDS FROST AND FROST ON PVMT/ 8/570/ 4/009 51015 70056 10039 20037 10 A.M. BHO SA 1455 120 SCT 150 SCT 15 013/46/38/2106/957/ FEW LWR AC FEW ACSL HAZY ALQDS VSBY N-SE 12 WNW 20/ 8/040/ 53005 1 P.M. BHO SA 1755 E130 OVC 6RW-FH 997/39/37/0411/952/ FEW SC LWR AC BINOVC DSNT S VSBY HIER S-SW RB45 PCPN VRY LGT APRNT FROPA AT 15/ 8/52// 56016 6000/ 10049 20038 DATA RECORDED FOR TUESDAY JANUARY 30... TEMPERATURES.... MAX 43 MIN 25// ASOS MAX 43 ASOS MIN 25 MEAN 36 [+ 9 ] TOTAL DEP FOR MONTH TO DATE: + 56 degrees January averaging about 1.8 degrees above normal PRECIPITATION.... NONE 24 hrs ending 7 a.m. 0.56 IN. (std. gage) MONTH: 3.10 [ - 1.05] YEAR: 3.10 [ - 1.05] SNOWFALL... NONE....TRACE MONTH: 19.6 INS SEASON: 30.2 INS. PEAK GUST: 38 MPH ESE @ 3:20 P.M. PEAK GUST AERO: 39 MPH ESE SW @ 3:20 P.M. 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/................. RECORDS FOR JANUARY 31 HIGH 58 IN 1913/1947 LOW -12 IN 1920 PRECIP 1.03 INS IN 1914 WIND 75 MPH NW IN 1974 RECORDS FOR FEBRUARY 01 HIGH 65 IN 1989 LOW -09 IN 1920 PRECIP 1.30 INS IN 1898 WIND 66 MPH SSW IN 1951 Robert Skilling