I several questions about data and graphing of AcuRite 06045M lightning
detector. I am using "rtl_433" and "rtl_4233 mqtt auto discover" addons in
home assistant to aquire data from AcuRite 06045M and MQTTSubscribeDriver
to import data into weewx. Weewx is installed on raspberry pi. I have
set up belchertown skin for weewx, added lightning detector count and
distance to database and I can graph lightning count and distance using
belchertown skin.
Looking at passing thunderstorm today, I got nice uptick in lighting
counts which correlated with decreased lightning distance (fig enclosed).
But the lightning distance reading before the storm and after the storm
was a steady 12.0 miles, like that is the default value when no lightning
is being detected. I would like to remove those distracting 12-mile data
points, since they don't contribute to the graph. I was wondering how I
[image:
Screenshot (9).png]can do that and why lightning distance reading goes to
exactly 12 when there is no lightning activity.
Here is my chart entry in belchertown graphs.conf file:
[[chart5]]
title = Lightning data
[[[lightning_distance]]]
name = Lightning distance
type = scatter
lineWidth = 0
yAxis = 1
mirrored_value = true
zIndex = 1
aggregate_interval = 900 # 15 min
aggregate_type = avg
color = "#00ff00"
[[[lightning_strike_count]]]
name = Strike count / 15 mins
type = column
yAxis_label = "Strikes/15min"
aggregate_interval = 900 # 15 min
aggregate_type = sum
color = "#BECC00"
tooltip_date_format = "dddd LL"
I use "mirrored_value = true" for lightning distance rendering for two
reasons, first as lightning distance decreases there is higher chance of
approach thunderstorm (high ~ bad on chart) and second it minimizes the
overlay of the lighting strike distance data on the lightning strike
count.
Any ideas why there is a constant 12.0 miles in distance without lightning
activity and how can I remove the 12.0 mile values preferably easily.
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