Table:
text: Theory of tides
Long period
Long period
Higher_harmonics Darwin Period Speed Doodson_coefficients NOAA
Species Symbol (hr) rate(°/hr) n 1 (L) order
Shallow water overtides of principal lunar M 4 6.210300601 57.9682084 4 5
Shallow water overtides of principal lunar M 6 4.140200401 86.9523127 6 7
Shallow water terdiurnal MK 3 8.177140247 44.0251729 3 8
Shallow water overtides of principal solar S 4 6 60 4 9
Shallow water quarter diurnal MN 4 6.269173724 57.4238337 4 10
Shallow water overtides of principal solar S 6 4 90 6 12
Lunar terdiurnal M 3 8.280400802 43.4761563 3 32
Shallow water terdiurnal 2MK 3 8.38630265 42.9271398 3 34

Question: Which higher harmonics have a NOAA of 8 for tidal theory?

Question: What is the NOAA of the higher harmonics that have a darwin of mn 4 in tidal theory?