Improve netCDF4 compression #721

Job	Run time
Test Python 3.8 on ubuntu-latest	2m 19s
Test Python 3.9 on ubuntu-latest	2m 21s
Test Python 3.10 on ubuntu-latest	2m 22s
Test Python 3.11 on ubuntu-latest	2m 16s
Test Python 3.8 on macos-latest	2m 50s
Test Python 3.9 on macos-latest	3m 20s
Test Python 3.10 on macos-latest	3m 50s
Test Python 3.11 on macos-latest	3m 33s
Test Python 3.8 on windows-latest	7m 6s
Test Python 3.9 on windows-latest	5m 39s
Test Python 3.10 on windows-latest	6m 49s
Test Python 3.11 on windows-latest	9m 56s
	52m 21s

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