How to Manage Pests
California Weather Data: Station Description
Description of WALNUTCK.A
(CIMIS #65, Walnut Creek)
Network:
CIMIS — California Irrigation Management Information System
Observer
CONTRA COSTA RESOURCE CONSERVATION DISTRICT - DWR CENTRAL DISTRICT
Location
County: Contra Costa
Nearest City: Walnut Creek
Latitude: 37 deg
55 min N
Longitude: 122 deg
5 min W
Elevation: 440 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: July 22, 1987
/ March 8, 2002
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
| CONCORD.A / LIVERMOR.C |
| Averages Station Backup: |
WALNUTCK.A |
99% of possible values are stored for the period
07/22/1987 to 03/07/2002.
Reference Evapotranspiration
| Variable or Sensor: |
Calculated from CIMIS hourly values. |
98% of possible values are stored for the period
07/22/1987 to 03/07/2002.
Precipitation
| Variable or Sensor: |
Daily total measured in a 20 cm (8 in) diameter gauge. |
| Backup Station #1
/ #2
| CONCORD.A / LIVERMOR.C |
| Averages Station Backup: |
WALNUTCK.A |
98% of possible values are stored for the period
07/22/1987 to 03/07/2002.
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) |
100% of possible values are stored for the period
07/22/1987 to 03/07/2002.
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
| CONCORD.A |
| Averages Station Backup: |
WALNUTCK.A |
96% of possible values are stored for the period
07/22/1987 to 03/07/2002.
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
| CONCORD.A |
| Averages Station Backup: |
WALNUTCK.A |
98% of possible values are stored for the period
07/22/1987 to 03/07/2002.
Wind Speed/Direction
| Variable or Sensor: |
Daily average measured at 2 m (6.5 ft). |
| Height of Sensor: |
2 m (6.5 ft) |
100% of possible values are stored for the period
07/22/1987 to 03/07/2002.
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