Monarch Calendar (North, Period 1)
This data submission form is for registered participants located NORTH of (greater than) 35º latitude and observation period #1 (April 1-June 20, 2019). For more information about Monarch Watch's Monarch Calendar citizen science project please visit
Please provide your latitude and longitude in DECIMAL format (for example, Latitude 38.948 and Longitude -95.264 for Monarch Watch HQ). Use numbers and decimal points only (no extraneous characters).
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