had a problem with their loggers and therefore only transmissions are available
start to have sunlight before the logger program switches to hourly transmission
then we have daily average shortwave radiation instead of hourly values.
These daily values are lower than the hourly values and are removed from dsr_cor an usr_cor.
This range-check should therefore be done only on hourly values.
There's a range check on dsr and usr that removes "invalid" data: https://github.com/GEUS-Glaciology-and-Climate/pypromice/blob/6ad589338a08194e5140cceb211b336899ac22de/src/pypromice/process/L1toL2.py#L159-L163
The problem is that for stations that:
These daily values are lower than the hourly values and are removed from dsr_cor an usr_cor.
This range-check should therefore be done only on hourly values.