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California Weather Data: Station Description

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Description of Pleasanton.A (CIMIS #191, Pleasanton)

| Data: Daily |

Network:

CIMIS — California Irrigation Management Information System

Observer

Zone 7

Location

Alameda County Fair Grounds
County: Alameda Nearest City: Pleasanton
Latitude: 37 deg 40 min N Longitude: 121 deg 53 min W Elevation: 335 ft

Station and site characteristics

Manufacturer/model: Campbell Scientific CR10 or CR10X
Ground cover: Irrigated Turf

Available data

UC IPM database records begin/end: May 1, 2004 / on-going
Reporting interval: Daily
Stored variables:
Air Temperature, max/min: Daily max/min measured at 1.5 m (4.92 ft).
Evapotranspiration: Calculated from CIMIS hourly values.
Precipitation: Daily total measured in a 20 cm (8 in) diameter gauge.
Relative Humidity, max/min: Daily max/min relative humidity measured at 1.5 m (4.92 ft).
Soil Temperature, max/min: Daily max/min measured at a 15 cm (6 in) depth.
Solar Radiation: Daily global radiation measured by Licor pyranometer at 2 m (6.5 ft).
Wind Speed/Direction, average: Daily average measured at 2 m (6.5 ft).
Variables with computed averages: none

Comments

Station is lcoated in the middle of a race track. Site is sprinkler irrigated and there is a possibility of irrigation collecting in rain gauge. CIMIS will automatically switch precip recording on and off between the irrigation season and precipitation season.

Details about reported variables

Air Temperature, max/min

Variable or Sensor:	Daily max/min measured at 1.5 m (4.92 ft).
Height of Sensor:	1.5 m (4.92 ft)
When Installed:	01 May 2004
Status:	Active
Backup Station #1 / #2	BRNTWOOD.A / CONCORD.A
Averages Station Backup:	LIVERMOR.C

97% of possible values are stored for the period 05/01/2004 to 05/21/2013.

Evapotranspiration

Variable or Sensor:

Calculated from CIMIS hourly values.

100% of possible values are stored for the period 05/01/2004 to 05/21/2013.

Precipitation

Variable or Sensor:	Daily total measured in a 20 cm (8 in) diameter gauge.
Height of Sensor:	2.4 m (8 feet)
When Installed:	01 May 2004
Status:	Active
Backup Station #1 / #2	BRNTWOOD.A / CONCORD.A
Averages Station Backup:	LIVERMOR.C

99% of possible values are stored for the period 05/01/2004 to 05/21/2013.

Relative Humidity, max/min

Variable or Sensor:	Daily max/min relative humidity measured at 1.5 m (4.92 ft).
Height of Sensor:	1.5 m (4.92 ft)
When Installed:	01 May 2004
Status:	Active

99% of possible values are stored for the period 05/01/2004 to 05/21/2013.

Soil Temperature, max/min

Variable or Sensor:	Daily max/min measured at a 15 cm (6 in) depth.
Height of Sensor:	15 cm (6 in) depth
When Installed:	01 May 2004
Status:	Active

98% of possible values are stored for the period 05/01/2004 to 05/21/2013.

Solar Radiation

Variable or Sensor:	Daily global radiation measured by Licor pyranometer at 2 m (6.5 ft).
Height of Sensor:	2 m (6.5 ft)
When Installed:	01 May 2004
Status:	Active
Backup Station #1 / #2	BRNTWOOD.A / CONCORD.A
Averages Station Backup:	BRNTWOOD.A

98% of possible values are stored for the period 05/01/2004 to 05/20/2013.

Wind Speed/Direction, average

Variable or Sensor:	Daily average measured at 2 m (6.5 ft).
Height of Sensor:	2 m (6.5 ft)
When Installed:	01 May 2004
Status:	Active

97% of possible values are stored for the period 06/24/2004 to 05/21/2013.

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