Read the statement by Michael Teeuw here.
MMM-OpenWeatherForecast
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 @sdetweil In default the module calls the Api every 10 minutes. 
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 @wishmaster270 thanks. i knew i could go look, asking poster to do the same. 
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 @wishmaster270 yes I have mine set for 15 
 but that doesn’t explain why when I turn it on for the first time in the morning they already have 20 calls I don’t get that
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 @sdetweil I have it set for 15 minutes 
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 @Ray said in MMM-OpenWeatherForecast: @wishmaster270 yes I have mine set for 15 
 but that doesn’t explain why when I turn it on for the first time in the morning they already have 20 calls I don’t get thatWhat means “turn it on”? Boot up the Pi or turn on the screen? 
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 @MarcLandis sorry for the misunderstanding there 
 when I activate my mirror and it checks the weather
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 @Ray updates are still done even the screen is off. 
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 @MarcLandis yes I get that and I totally understand that but that’s not my question maybe it can’t be answered 
 my magic mirror is on a computer when I boot the computer up in the morning it will automatically start magic mirror usually the first thing it checks is the weather
 if I turn the computer off there should be no more calls to the weather appso my original question would be if I turn my computer on first thing in the morning and I go to the weather app why does it say I already have 20 calls that’s my real question 
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 @Ray 
 Hi, I do not know your set up nor do I know when the “in one day” changes to the next day at OpenWeaterMap.
 I use the API Key exactly in this module and only have one instance of the mirror running…
 I just checked my statistics at OpenWeaterMap and I do have at about 112 calls a day. Which is correct as my mirror is shutdown between 11:30pm and 5am.Maybe it is a matter of your timezone and calls of the last day are counted in the current one. What does your statistic look like https://home.openweathermap.org/statistics/onecall_30 Edit: 
 And one small side note. Even if you use different keys the calls a summarized per account
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 @wishmaster270 
 I totally agree with everything you said I do have two keys but I only use one
 the only thing I can think of is maybe the 20 calls are a carryover from the previous day that’s the only thing I can think of
 I shut down my mirror around 7 o’clock at nightand when I started up in the morning around 8 o’clock in the morning I would think there would only be one call 
 but when I looked it said there were 20
 so like I said maybe it’s a carryover from the previous dayso tomorrow morning I’m going to conduct a test 
 I will check the website first to see if there any calls there before I start my mirrorif you want I will let you know 

