Hello,
I am hoping to get some help getting my weewx to calculate the ET. Right
now it just records NULL. I've tried uninstalling and reinstalling, and a
few different settings in the Calculations section of the config file. I
also tried a few different ways of installing pyephem (like pip2) but that
didn't seem to work.
I am using:
Hardware: Acurite 01036, Raspberry Pi 3B+ with latest, up-to-date debian
stretch 9
Database: MariaDB on separate NAS
Weewx version 3.9.1 with pyephem installed
Python/linux experience: beginner
Everything seems to work fine otherwise. My archive table in the mariadb is
consistently filled with the default data. My default reports seem to work
fine, although I do think I am getting the default almanac data - it has
the Celestial sun and moon data only (I don't know if it's supposed to have
more with pyephem). But ET is always NULL in the table, and is always None
in the REC portion of weewx's loop:
----
LOOP: 2019-05-16 19:44:58 MDT (1558057498) altimeter: 29.7337613796,
channel: 3, dateTime: 1558057498, inTemp: 61.16, maxSolarRad:
126.776693038, outTempBatteryStatus: 0, pressure: 26.24625289, rain: 0.0,
rain_total: 5.5372, rainRate: 0, rssi: 3, rxCheckPercent: 100.0,
sensor_battery: 0, sensor_id: 3620, usUnits: 1, windDir: None, windSpeed:
0.0
LOOP: 2019-05-16 19:45:16 MDT (1558057516) appTemp: 44.4650993723,
channel: 3, cloudbase: 4814.9980207, dateTime: 1558057516, dewpoint:
40.4416051149, heatindex: 46.6, humidex: 46.6, maxSolarRad: 125.978094458,
outHumidity: 79, outTemp: 46.6, outTempBatteryStatus: 0, rainRate: 0, rssi:
3, rxCheckPercent: 100.0, sensor_battery: 0, sensor_id: 3620, usUnits: 1,
windchill: 46.6, windDir: None, windSpeed: 0.0
REC: 2019-05-16 19:45:00 MDT (1558057500) altimeter: 29.7337613796,
appTemp: 44.4650993723, barometer: 29.7849529075, channel: 3.0, cloudbase:
4814.9980207, dateTime: 1558057500.0, dewpoint: 40.4416051149, ET: None,
heatindex: 46.6, humidex: 46.6, inTemp: 61.16, interval: 5, maxSolarRad:
126.68790242, outHumidity: 79.0, outTemp: 46.6, outTempBatteryStatus: 0.0,
pressure: 26.24625289, rain: 0.0, rain_total: 5.5372, rainRate: 0.0, rssi:
3.0, rxCheckPercent: 100.0, sensor_battery: 0.0, sensor_id: 3620.0,
usUnits: 1, windchill: 46.6, windDir: None, windGust: 0.0, windGustDir:
None, windrun: 0.0, windSpeed: 0.0
----
My current calculation section of the config is as follows:
--
# This section controls the origin of derived values.
[StdWXCalculate]
[[Calculations]]
# How to calculate derived quantities. Possible values are:
# hardware - use the value provided by hardware
# software - use the value calculated by weewx
# prefer_hardware - use value provide by hardware if available,
# otherwise use value calculated by weewx
pressure = prefer_hardware
barometer = prefer_hardware
altimeter = prefer_hardware
windchill = prefer_hardware
heatindex = prefer_hardware
dewpoint = prefer_hardware
inDewpoint = prefer_hardware
rainRate = prefer_hardware
ET = software
maxSolarRad = software
cloudbase = software
humidex = software
appTemp = software
windrun = software
--
Any help or advice would be appreciated.
Thanks!
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