Charting All the Data by Day
Here's a couple charts updated with the 2022 additions. Compare previous in the Feb 10 Journal.
First the total observations
This looks similar to last year, just with an adjusted scale (increase).
Jun 24 now busiest day with 2,401 observations, up by nearly 500 from last year's high of 1,921 on Jun 23.
The span of days with over 1,000 observations per day has expanded, now May 29 to Aug 15 (79 days). Last year's range was Jun 11 to Jul 20 (40 days).
Now the Species by Day
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...mais ↓
Charting All the Data by Day
Here's a couple charts updated with the 2022 additions. Compare previous in the Feb 10 Journal.
First the total observations
This looks similar to last year, just with an adjusted scale (increase).
Jun 24 now busiest day with 2,401 observations, up by nearly 500 from last year's high of 1,921 on Jun 23.
The span of days with over 1,000 observations per day has expanded, now May 29 to Aug 15 (79 days). Last year's range was Jun 11 to Jul 20 (40 days).
Now the Species by Day
This chart is very similar to a year ago, you have to look pretty close to find differences.
The Species top day is Jun 23 with 113, followed closely by Jun 14 with 112, and Jun 15 with 111.
Jun dominates with 23 days over 100 species. We did add to the previous total, where a year ago Jun had 15 days with 100 or more species. Jul is the only other month with 100 species days at 3.
menos ↑
Ohio Dragonfly Survey (Ohio Odonata Survey)
