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California Weather Data: Station Description

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Description of NAPA.A (CIMIS #109, Carneros)

| Data: Daily ~ Averages |

Network:

CIMIS — California Irrigation Management Information System

Observer

DWR - CENTRAL DISTRICT

Location

Near Cuttings Wharf.
County: Napa Nearest City: Napa
Latitude: 38 deg 13 min N Longitude: 122 deg 21 min W Elevation: 5 ft

Station and site characteristics

Manufacturer/model: Campbell Scientific Inc. CR-10 ( or CR-10X)
Ground cover: Irrigated grass

Available data

UC IPM database records begin/end: March 11, 1993 / on-going
Reporting interval: Daily
Stored variables:
Air Temperature, max/min: Daily max/min measured at 1.5 m (4.92 ft).
Reference 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: Daily average measured at 2 m (6.5 ft).
Variables with computed averages: precip, air temp, soil temp, solar

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)
Backup Station #1 / #2	OAKVILLE.A / NAPA.C
Averages Station Backup:	NAPA.C

92% of possible values are stored for the period 03/11/1993 to 12/20/2021.

Reference Evapotranspiration

Variable or Sensor:

Calculated from CIMIS hourly values.

92% of possible values are stored for the period 03/11/1993 to 07/19/2022.

Precipitation

Variable or Sensor:	Daily total measured in a 20 cm (8 in) diameter gauge.
Backup Station #1 / #2	OAKVILLE.A / NAPA.C
Averages Station Backup:	NAPA.C

98% of possible values are stored for the period 03/11/1993 to 09/13/2022.

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)

99% of possible values are stored for the period 03/11/1993 to 09/13/2022.

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
Backup Station #1	OAKVILLE.A
Averages Station Backup:	OAKVILLE.A

91% of possible values are stored for the period 03/11/1993 to 12/20/2021.

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)
Backup Station #1	OAKVILLE.A
Averages Station Backup:	OAKVILLE.A

90% of possible values are stored for the period 03/12/1993 to 12/20/2021.

Wind Speed/Direction

Variable or Sensor:	Daily average measured at 2 m (6.5 ft).
Height of Sensor:	2 m (6.5 ft)

93% of possible values are stored for the period 03/11/1993 to 12/20/2021.

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