I created iNat Explorer, a site to explore iNat data. One of the features of the site is to generate charts similar to iNat taxa page charts, but generate charts for every search query that works with the various available filters. The charts use both /observations/histogram and /observations/popular_field_values.
@keirmorse used the site to look at phenology of California plants. Flowering of Ribes menziesii in nine coastal counties in California,
Thread about iNat Explorer website. Keir provided useful feedback while I was developing the charts.
Here’s a 13 minute video that demostrates how to use the site.