Date/Time_(UTC)     Vmax(kts)    mperc-Prob-SEF   vmax-only-Prob-SEF
2024-05-20 18:00:00      25.0    00%              00%
2024-05-20 19:00:00       NaN    00%              00%
2024-05-20 20:00:00       NaN    00%              00%