Thanks, that seems to be what I wanted! (Actually, I think I'm going to use 
$span($time_delta=1800).windSpeed.max  for a 30-minute peak.)

(Altho we have no wind here in Seattle at the moment so I can't really see 
the results... but at least it does evaluate to *something*. ;-) )

On Saturday, December 12, 2020 at 5:43:01 PM UTC-8 [email protected] wrote:

> LOL! Yes, this error is a little obscure.
>
> The observation type 'wind' is found only in the daily summaries, not the 
> main archive table. So, tags involving "wind" will only work for multiples 
> of a day, such as $month.wind.max.
>
> However, observation type 'windSpeed' does exist in the main archive 
> table. So, instead use 
>
> $span($hour_delta=1).windSpeed.max
>
>
> Maybe 'wind' should be used as a synonym for 'windSpeed' in queries 
> involving the main archive table...
>
> -tk
>
> On Sat, Dec 12, 2020 at 5:28 PM Rob Cranfill <[email protected]> wrote:
>
>> (My last question was answered so quickly and well, let's see if that can 
>> happen again!)
>>
>> Can my skin (which I'm developing for a little RPi LCD display, and I 
>> will share once I'm semi-done) display the max wind in the last, say, 60 
>> minutes?
>>
>> I've tried
>>
>>    <div class="currentWind">Recent peak wind: 
>> $span($hour_delta=1).wind.max</div>
>>
>> and variations thereon, to no avail.
>>
>> Anyone?
>>
>>  
>>
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