Date/Time_(UTC)     Vmax(kts)    mperc-Prob-SEF   vmax-only-Prob-SEF
2020-08-02 06:00:00      20.0    00%              00%
2020-08-02 07:00:00       NaN    00%              00%
2020-08-02 08:00:00       NaN    00%              00%