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When retrieving the temperature 12h ago from the database, now accepts a

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record within a max_delta_12h window. By default, this is 1800 seconds.
This commit is contained in:
Tom Keffer
2015-03-28 08:32:08 -07:00
parent ed0d475467
commit 725ffe2eef
1 changed files with 6 additions and 2 deletions
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8
bin/weewx/wxservices.py
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@@ -55,6 +55,8 @@ class StdWXCalculate(weewx.engine.StdService):
et_period = 3600
ignore_zero_wind = True
atc = 0.8
wind_height = 2.0
max_delta_12h = 1800
[[Calculations]]
windchill = hardware
heatindex = prefer_hardware
@@ -76,10 +78,12 @@ class StdWXCalculate(weewx.engine.StdService):
self.atc = float(svc_dict.get('atc', 0.8))
if self.atc < 0.7:
self.atc = 0.7
if self.atc > 0.91:
elif self.atc > 0.91:
self.atc = 0.91
# height above ground at which wind is measured, in meters
self.wind_height = float(svc_dict.get('wind_height', 2.0))
# Time window to accept a record 12 hours ago:
self.max_delta_12h = int(svc_dict.get('max_delta_12h', 1800))
# find out which calculations should be performed
# we recognize only the names in our dispatch list; others are ignored
@@ -334,7 +338,7 @@ class StdWXCalculate(weewx.engine.StdService):
if ts12 != self.ts_12h_ago:
# We're in a new interval. Hit the database to get the temperature
dbmanager = self.engine.db_binder.get_manager('wx_binding')
record = dbmanager.getRecord(ts12)
record = dbmanager.getRecord(ts12, max_delta = self.max_delta_12h)
if record is None:
# Nothing in the database. Set temperature to None.
self.temperature_12h_ago = None