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California Weather Data: Station Description

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Description of DAVIS.T (Touchtone #12, Davis)

| Data: Daily |

Observer

UNIVERSITY OF CALIFORNIA: DEPARTMENT OF LAND, AIR, AND WATER RESOURCES - MIKE MATA

Location

0.5 miles west of Hwy 113 at the LAWR weather station site.
County: Yolo Nearest City: Davis
Latitude: 38 deg 32 min N Longitude: 121 deg 46 min W Elevation: 60 ft

Station and site characteristics

Ground cover: Bare soil, Soil type: Yolo Silty Loam

Available data

UC IPM database records begin/end: January 1, 1981 / on-going
Reporting interval: Daily
Stored variables:
Air Temperature, max/min: Daily max/min measured at 5 feet.
Air Temperature at observation time:
Bulb Temperatures, wet/dry: Wet/dry bulb temperatures, at time of observation, measured at 5 feet.
Pan Evaporation: Daily total measured 7 days per week.
Precipitation: Daily total measured in 8 inch diameter gauge.
Soil Temperature, max/min: Daily max/min measured at 4 inch depth.
Solar Radiation: Daily global radiation measured by Eppley pyranometer.
Wind Speed/Direction: Instantaneous reading, at observation time, measured at 10 feet.
Weather Type: Observer's estimate of weather condition at observation time.
Variables with computed averages: none

Comments

Location is unobstructed.

Details about reported variables

Air Temperature, max/min

Variable or Sensor:	Daily max/min measured at 5 feet.
Height of Sensor:	5 feet
Backup Station #1 / #2	DAVIS.C / DAVIS.A
Averages Station Backup:	DAVIS.C

99% of possible values are stored for the period 01/01/1981 to 11/22/2009.

Air Temperature at observation time

Variable or Sensor:

Air Temperature at observation time

88% of possible values are stored for the period 04/01/1983 to 11/22/2009.

Bulb Temperatures, wet/dry

Variable or Sensor:	Wet/dry bulb temperatures, at time of observation, measured at 5 feet.
Height of Sensor:	5 feet

88% of possible values are stored for the period 01/01/1981 to 04/13/2008.

Pan Evaporation

Variable or Sensor:	Daily total measured 7 days per week.
Averages Station Backup:	DAVIS.C

95% of possible values are stored for the period 01/01/1981 to 11/22/2009.

Precipitation

Variable or Sensor:	Daily total measured in 8 inch diameter gauge.
Backup Station #1 / #2	DAVIS.C / DAVIS.A
Averages Station Backup:	DAVIS.C

99% of possible values are stored for the period 01/01/1981 to 11/22/2009.

Soil Temperature, max/min

Variable or Sensor:	Daily max/min measured at 4 inch depth.
Height of Sensor:	4 inch depth
Backup Station #1	DAVIS.C
Averages Station Backup:	DAVIS.C

97% of possible values are stored for the period 01/01/1981 to 11/22/2009.

Solar Radiation

Variable or Sensor:	Daily global radiation measured by Eppley pyranometer.
Backup Station #1 / #2	DAVIS.A / ZAMORA.A
Averages Station Backup:	DAVIS.A

10% of possible values are stored for the period 01/02/1982 to 09/19/1987.

Wind Speed/Direction

Variable or Sensor:	Instantaneous reading, at observation time, measured at 10 feet.
Height of Sensor:	10 feet

91% of possible values are stored for the period 07/27/1981 to 11/22/2009.

Weather Type

Variable or Sensor:

Observer's estimate of weather condition at observation time.

94% of possible values are stored for the period 01/01/1981 to 11/22/2009.

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