Jean-Sébastien Gosselin

The `xls` format is outdated and not well supported anymore. I think we can safely drop support for saving data or results in this format in order to reduce the...

### System Info GWHAT 0.5.0 Python 3.8.9 64-bit Qt 5.15.2 PyQt5 5.15.4 Windows 10 ### Traceback ```python-traceback Traceback (most recent call last): File "C:\Users\User\gwhat\gwhat\gwrecharge\gwrecharge_calc2.py", line 198, in eval_recharge SyOpt, RMSE,...


HDF5 is too fragile and data corruption can occur if there is a crash. This is something that we want to avoid at all cost. See also: https://cyrille.rossant.net/moving-away-hdf5/

GWHAT crash when date is before 01/01/1900 in weather or water level data files.

1

This is a well known limitation of using the Excel numeric format. Time zero starts at 01/01/1900 and date before this are not supported by the format. This is well...

### Description Try to compute BRF on a dataset with not barometric pressure data. ### System Info GWHAT 0.5.0 Python 3.8.10 64-bit Qt 5.15.2 PyQt5 5.15.6 Windows 10 ### Traceback...

On smaller widescreen, GWHAT main window doesn't fit vertically. To fix that, I think the fontsize should be reduce across the entire application.

**What steps will reproduce the problem?** 1. Load a water level dataset 2. Select some data that are not continuous ```python Loading project from 'Example.gwt'... done C:\Users\User\gwhat\gwhat\HydroCalc2.py:1386: RuntimeWarning: invalid value...

Improve tooltips across the entire application

1

This would be a great enhancement to have a tooltip for every button in the application and to improve and expand the text in each tooltip. Something like what Microsoft...

As stated in the [GHAT documentation](http://gwhat.readthedocs.io/en/gwhat-0.2.2/plotting_hydrograph.html#groundwater-levels), the water levels trend line is calculated using a MAW of 30 days. It should be possible to select the width of the MAW...