Date/Time_(UTC)     Vmax(kts)    mperc-Prob-SEF   vmax-only-Prob-SEF
2019-07-24 00:00:00      30.0    00%              00%
2019-07-24 01:00:00      30.0    00%              00%
2019-07-24 02:00:00      30.0    00%              00%
2019-07-24 03:00:00      30.0    00%              00%
2019-07-24 04:00:00      30.0    00%              00%
2019-07-24 05:00:00      30.0    00%              00%
2019-07-24 06:00:00      30.0    00%              00%
2019-07-24 07:00:00       NaN    00%              00%
2019-07-24 08:00:00       NaN    00%              00%