Release Notes — June 26, 2015

Observant Support

Created: ; updated: .

Crop Manager

  • Support for locally calculated ET for Australian customers - please see bottom of this page for implementation notes.
  • Crop Manager will now display partial history series in a manner more consistent with the monitor view. Partial history series will no longer fill the entire time axis.
  • Fixed a bug in Crop Manager where the feature to save chart settings resulted in a field being unable to be removed from the chart.
  • Changing portfolio while viewing an individual probe in Crop Manager will now send you back to the map screen.
  • Fixed a bug where data with no units could not be averaged properly.


  • The OpenLink API now supports Weather Station data

Other Improvements

  • Improvements to detection and reporting of water meter flow rate alarms for high flow rate and low flow rate
  • Expanded alerts on Kensho K45E/M panel monitoring to allow for alarms on panel faults and warning on panel shutdown, including orderly shutdown


  • Chart improved to show individual days on X axis
  • Date display now changes when chart zoom changes


Evapotranspiration implementation notes

Observant Global calculates ET using the Penman-Monteith equation for daily time intervals. The implementation is based on the Food and Agriculture Organization (FAO) guidelines. The time intervals taken are midnight to midnight. 

The sensors needed are:

  • Wind speed
  • Solar radiation
  • Temperature
  • Humidity

The psychrometric constant is set at 0.0655 and the saturation vapor pressure is derived using a function based on the air temperature, rather than being recorded with a sensor.

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