Data Quality for Foresthill, Ca. CWOP ID - AT046
CWOP Quality Checked

Data Quality

      AT046 a member of the Citizen Weather Observer Program (CWOP).
The weather station sensors have been positioned and calibrated to ensure the best possible accuracy. We use CWOP to help make sure our data is accurate. The following is data reported to CWOP for Foresthill Weather.com (AT046 in blue) with the predicted data based on surrounding stations (AT046 Analysis in red).
      Also included is the reported data for the Auburn Muni Airport (KAUN in purple). Auburn is the weather most often quoted by news and internet sources for the Foresthill area. It is west 15 miles line of sight from Foresthill Weather.com Station.


Current Time Span Selected: 28 Days

Barometer Temperature Dewpoint Wind

Barometer Graph
Madis Value: 49% 
Data Span: 28 Days
Average Barometer Error: -1.9 milliBars
Error Standard Deviation: 0.9 milliBars

Baro Chart

Calculations/Data courtesy of Phillip Gladstone.  |  Script courtesy of  Michael Holden of Relay Weather.


Data Quality:
The MADIS value represents the percentage of observations that have successfully passed the MADIS QC checks. If the Madis rating is within the acceptable limits, a green check will appear. Otherwise, a red x-mark will appear indicating that the data has not passed quality control.

Errors
If the above errors are POSITIVE, this means that the analysis variable is HIGHER than the reported variable. This means that the sensor is reading a variable lower than expected. If the above errors are NEGATIVE, this means that the analysis variable is LOWER than the reported variable. This means that the sensor is reading a variable higher than expected.

CWOP:
The Citizen Weather Observer Program (CWOP) is a private-public partnership with the National Oceanic & Atmospheric Administration. Its three main goals: 1) to collect weather data contributed by citizens; 2) to make these data available for weather services; and 3) to provide feedback to the data contributors so that they have the tools to check and improve their data quality.

Many thanks go to Phillip Gladstone at CWOP for his dedication to providing the needed accuracy and quality checks for the amateur weather observer.


You can see Foresthill Weather.com Station CWOP data graphs here. You can also see how Foresthill Weather.com Station compares with the other sites in the CWOP network. This shows the performance of all the CWOP sites with Foresthill Weather.com Station marked specially. The target quality box is also shown.

This quality checker was developed by Philip Gladstone, CW0003.

CWOP is a private-public partnership with the National Oceanic & Atmospheric Administration. It's three main goals:

  1. To collect weather data contributed by citizens.
  2. To make this data available for weather services.
  3. To provide feedback to the data contributors so that they have the tools to check and improve their data quality.

Citizen Weather Observer Program

Calculations/Data courtesy of Phillip Gladstone.  |  Script courtesy of  Michael Holden of Relay Weather.
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