How to Manage Pests
California Weather Data: Station Description
Description of TWITCHELL_ISLAND.A
(Cimis #140, Twitchell Island)
Network:
CIMIS — California Irrigation Management Information System
Observer
DWR
Location
County: Sacramento
Nearest City: Rio Vista
Latitude: 38 deg
07 min N
Longitude: 121 deg
39 min W
Elevation: -1 ft
Station and site characteristics
Manufacturer/model: Campbell Scientific Inc. CR-10 ( or CR-10X)
Ground cover: Irrigated grass,
Soil type: Mineral Peat
Available data
UC IPM database records begin/end: November 3, 1997
/ 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: none
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: |
10/8/97 |
| Status: |
Active |
| Backup Station #1
/ #2
| HASTINGS.A / ANTIOCH.C |
| Averages Station Backup: |
ANTIOCH.C |
98% of possible values are stored for the period
11/03/1997 to 11/22/2009.
Reference Evapotranspiration
| Variable or Sensor: |
Calculated from CIMIS hourly values. |
100% of possible values are stored for the period
11/03/1997 to 11/22/2009.
Precipitation
| Variable or Sensor: |
Daily total measured in a 20 cm (8 in) diameter gauge. |
| Height of Sensor: |
1 m (39 in) |
| When Installed: |
10/8/97 |
| Status: |
Active |
| Backup Station #1
/ #2
| HASTINGS.A / ANTIOCH.C |
| Averages Station Backup: |
ANTIOCH.C |
98% of possible values are stored for the period
11/03/1997 to 11/22/2009.
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: |
10/8/97 |
99% of possible values are stored for the period
11/03/1997 to 11/22/2009.
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: |
08 October 1997 |
| Status: |
Active |
| Backup Station #1
| HASTINGS.A |
| Averages Station Backup: |
LODI.A |
98% of possible values are stored for the period
11/03/1997 to 11/22/2009.
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: |
10/8/97 |
| Backup Station #1
| HASTINGS.A |
| Averages Station Backup: |
LODI.A |
95% of possible values are stored for the period
11/03/1997 to 11/22/2009.
Wind Speed/Direction
| Variable or Sensor: |
Daily average measured at 2 m (6.5 ft). |
| Height of Sensor: |
2 m (6.5 ft) |
| When Installed: |
10/8/97 |
99% of possible values are stored for the period
11/03/1997 to 11/22/2009.
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