Details and Metadata

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Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Current Methods

  • Data collection
    Started: 1998-07-24

    Automated station replaced previous equipment to allow for continuous data collection with 15 minute averages,remote QA checks and weekly automated access, 7/24/1998.

  • Process data
    Started: 1988-06-01

    Hourly and daily averages computed.

  • Measurements
    Started: 1988-06-01

    Measurements include ambient air temperature; wind speed, direction and direction variance; relative humidity; precipitation; barometric pressure.

Past Methods (No longer in use)

  • Data collection
    Started: 1988-06-01
    Ended: 1998-07-23

    Continuous measurements on 10m tower, averaged hourly.

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
RECORDTIMEDate/Time

Time and date when measurments were recorded

Measurement type: DateTime
Date/Time Format: YYYY-MM-DD hh:mm:ss
SAMPLETIMEHour

Hour of Day

Measurement type: DateTime
Date/Time Format: hhmm
AIRTEMPAir Temperature

Hourly average air temperature

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
RELHUMIDRelative Humidity

Hourly average relative humidity

Measurement type: Ratio
Units: dimensionless
Precision: 0.1
BAROPRESSBarometric Pressure

Hourly average barometric pressure

Measurement type: Ratio
Units: millibar
Precision: 1
PRECIPPrecipitation

Amount of precipitation measured

Measurement type: Ratio
Unit: unavailable
Precision: 0.001
MAX_WINDSPEEDMaximum Windspeed

Maximum windspeed recorded

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
TIME_MAX_WINDSPEEDTime Maximum Windspeed

Time when maximum windspeed was recorded

Measurement type: DateTime
Date/Time Format: YYYY-MM-DD hh:mm:ss
MEAN_HORIZONTAL_WINDSPEEDMean Horizontal Wind Speed

Average horizontal windspeed

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
MEAN_RESULTANT_WINDSPEEDMean Resultant Wind Speed

Average resultant windspeed

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
MEAN_WIND_DIRECTIONMean Wind Direction

Average wind direction

Measurement type: Ratio
Unit: unavailable
Precision: 1
STDDEV_WIND_DIRECTIONStandard Deviation Wind Direction

Standard deviation of wind direction

Measurement type: Ratio
Unit: unavailable
Precision: 1
SAMPLEYEARSample Year

Sample year of data collection

Measurement type: DateTime
Date/Time Format: YYYY
SAMPLEMONTHSample Month

Sample month of data collection

Measurement type: DateTime
Date/Time Format: other
SAMPLEDOYSample Day of Year

Sample day of year of data collection

Measurement type: DateTime
Date/Time Format: other

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Current Equipment

  • Weather sensors, datalogger
    Started: 1988-06-01

    Automated weather sensors mounted on a 10 m tower with a Campbell CR10X datalogger.

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    West slope of Mount Mansfield in an open field at the Proctor Maple Research Center. Site has a west aspect and an 8% slope.

Dataset Notes

Notes describing any special conditions or considerations for understanding the quality and consistency of the data


Start Date End Date Note Date Entered
2014-07-19 00:00:002014-07-21 14:15:00NOAH IV trickle charger power cord loose, battery completely flat. Replaced spent battery with new one and set Rain gauge time. No precipitation during loss of power.2014-07-21 14:17:00
2014-02-04 00:00:002014-02-04 23:59:00Put NOAHIV raingage in service mode and changed antifreeze during 1100 hr EST2014-02-11 12:01:00
2014-01-21 17:15:002014-01-21 17:15:00Rain gauge left service mode while antifreeze was being added, recording erroneous precipitation value. One data record for this event was deleted2014-01-23 11:16:00
2014-01-07 16:00:002014-01-07 16:00:00Rain gauge could not be set to service mode during addition of antifreeze, resulting in erroneous data. Entry for that time was deleted.2014-01-15 09:30:00
2013-12-09 00:00:002013-12-09 23:59:00Wind screen on NOAH IV had partially blown loose; replaced and tightened up screws during site visit ~1030.2013-12-09 10:35:00
2013-11-06 00:00:002013-11-06 23:59:00Winterized Belfort rain gauge.2013-11-06 11:36:00
2008-03-05 16:00:002008-03-06 07:45:00windspeed sensor was frozen2008-07-23 14:43:00
2008-02-13 17:15:002008-02-14 23:30:00wind speed frozen2008-07-23 14:41:00
2008-02-02 02:00:002008-02-02 06:00:00wind speed cups were frozen2008-07-23 14:38:00
2006-01-21 00:00:000000-00-00 00:00:00Pending. The vane has no tail, it was blown off during Jan 2006.2008-08-13 14:25:00
2005-02-09 11:00:002005-02-11 12:15:00Wind speed sensor frozen 2005 DOY 40 1100 to DOY 41 0215 and DOY 41 0530 through DOY 42 1215. Data updated to null-JR2007-02-16 14:41:00
2005-01-14 07:30:002005-01-15 18:00:00Wind speed sensor frozen 2005 DOY 14 0730-1015 and DOY 14 1415 through DOY 15 1800. Data deleted-JR2007-02-16 14:41:00
2004-08-12 08:15:002004-08-12 08:30:00Changed Air Temp and RH probes. Updated 2004 DOY 225 0815-0845 to null-JR2007-02-16 14:41:00
2004-04-04 18:30:000000-00-00 00:00:00Wind speed sensor frozen 2004 DOY 95 hour-minute 1830 - DOY 97 0000; data updated to null-JR2007-02-16 14:41:00
2004-03-21 18:30:000000-00-00 00:00:00Wind speed sensor frozen 2004 DOY 81 hour-minute 1830 - DOY 82 1445; data updated to null-JR2007-02-16 14:41:00
2004-02-24 10:00:000000-00-00 00:00:00Precipitation on 2004 DOY 55 1000 changed from false reading of 0.254 to 0-JR2007-02-16 14:41:00
2003-12-25 16:00:000000-00-00 00:00:00Wind speed sensor frozen 2003 DOY 359 hour-minute 1600 - DOY 361 0815; data updated to null-JR2007-02-16 14:41:00
2003-12-17 18:30:000000-00-00 00:00:00Wind speed sensor frozen 2003 DOY 351 hour-minute 1830 - DOY 352 1030; data updated to null-JR2007-02-16 14:41:00
2003-12-11 23:00:000000-00-00 00:00:00Wind speed sensor frozen 2003 DOY 345 hour-minute 2300- 346 1000; data updated to null-JR2007-02-16 14:41:00
2003-02-04 17:45:002003-02-05 10:30:00Anemometer frozen 2003 DOY 35 (2/4/03) 1745 to DOY 36 1030; deleted records-JR2007-02-16 14:41:00
2002-08-02 00:00:000000-00-00 00:00:00Deleted precipitation record of .508 for 8/2/02 0930 - # inserted for demonstration - no rain occurred.2007-02-16 14:41:00
2002-06-03 16:15:002002-06-03 17:45:00Bad TBG (rain) data Julian date 154 at 1615 1645 1700 1745 -nullified 8/28/02-JR2007-02-16 14:41:00
2002-01-23 00:00:002002-03-08 00:00:00Wind vane direction incorrect 1/23/02 - 3/8/02; [nullified as of 8/26/02] JR2007-02-16 14:41:00
2001-12-03 00:00:002002-03-11 12:30:00Nullified precipitation data from 12/3/01 through 3/11/02 12.30 p.m. - JR 7/17/022007-02-16 14:41:00
2001-12-03 00:00:002002-01-23 15:00:00Wind site bearing malfunctioning; nullified 12/3/01 through 1/23/02 @ 3 p.m. - JR 7/17/022007-02-16 14:41:00
2000-12-29 00:00:000000-00-00 00:00:00Anemometer found broken on 1/24/01; data bad since at least 12/29/00.2012-07-17 11:48:00
2000-11-22 16:15:000000-00-00 00:00:00Bad data on Julian date 326/2000 at 1615 hours - prcp = 389.1 mm; changed to null2007-02-16 14:41:00
1999-06-01 11:00:001999-06-11 09:15:00Anemometer broken 6/1/99 5.15 PM - 6/11/99 11.00 AM; deleted all wind records 6/28/992008-01-29 10:14:00
1997-07-24 06:00:000000-00-00 00:00:00Recording intervals change from hourly to 15 minutes; 24 July 19972007-02-16 14:41:00
1997-07-24 00:00:000000-00-00 00:00:00Recording intervals change from hourly to 15 minutes; 24 July 19972012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Precipitation records unlikely to be correct 2001 Julian date 87 1330 to @1800; changed to null2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Precipitation records unlikely to be correct 2001 Julian date 88 0945 to @1015; changed to null2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Precipitation records unlikely to be correct 2001 Julian date 72 0500 to @2115; 2130 bad too;changed to null2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Mim reports station down for maintenance. Wind speed direction RH and temp bad as of June 13.(No year given)2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Power outage overnight; restarted computer and set station clock to EST.2013-11-11 13:45:00
0000-00-00 00:00:000000-00-00 00:00:00Top of tower anemometer functioning if replacement data is needed (see Carl Waite)2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00PMRC data not thoroughly QAQC'd prior to 2008 at the present time2008-07-25 11:45:00
0000-00-00 00:00:000000-00-00 00:00:00Mim reports bad data on Julian date 3/26/2000 at 1615 hours - prcp = 389.1 mm; changed to null2012-07-17 11:48:00
0000-00-00 00:00:000000-00-00 00:00:00Year 2000 missing data are due to instrument failure.2001-12-10 00:00:00
0000-00-00 00:00:000000-00-00 00:00:00Year 2000 instruments are not calibrated.2001-12-10 00:00:00
0000-00-00 00:00:000000-00-00 00:00:00MIC-B had loose set screw on sprocket. Sprocket partly off motor spline and slipping when motor is activated. Drove sprocket back on to spline and tightened set screw. MIC-B OK.2007-02-16 14:41:00
0000-00-00 00:00:000000-00-00 00:00:00MIC-B lid not able to open. Suspected problem with chain drive too inclement to open motor compartment.'2007-02-16 14:41:00
0000-00-00 00:00:000000-00-00 00:00:0012/10/2001 last calibration is about 3-5 years before the present; prior calibration dates are being compiled and will be posted shortly.2001-12-10 00:00:00