Why does mapping in Folium with over 100 Circle Markers result in a blank map?

Question

I\'m working on producing a series of maps for an animated presentation using Folium and my code (when plotting over 100 circles) always ends in a blank map. If I decrease the n

Answer 1

The OP's dataset contains a row with an apostrophe/single quote in the Station_Name column/Series that wasn't causing an error but wasn't rendering the map either.

filter = merged_hourly['Station_Name'].str.contains("'")
print(merged_hourly.loc[filter,'Station_Name'])

101    E 143/ST MARY'S
Name: Station_Name, dtype: object

Solution was to replace the apostrophe with ' so the map renders and Station_Name correctly shows up in the popup

merged_hourly['Station_Name'] = merged_hourly['Station_Name']
                                              .str.replace("'", "'")