Table:
text: Theory of tides
Long period
Long period
Higher_harmonics Darwin Period Speed Doodson_coefficients NOAA
Larger lunar elliptic diurnal Q 1 26.868350 13.3986609 1 26
Larger elliptic diurnal 2Q 1 28.00621204 12.8542862 1 29
Solar diurnal P 1 24.06588766 14.9589314 1 30
Long period Darwin Period Speed Doodson coefficients NOAA
Lunar monthly M m 661.3111655 0.5443747 0 20
Solar semiannual S sa 4383.076325 0.0821373 0 21
Solar annual S a 8766.15265 0.0410686 0 22
Lunisolar synodic fortnightly M sf 354.3670666 1.0158958 0 23
Lunisolar fortnightly M f 327.8599387 1.0980331 0 24

Question: What is the NOAA of the higher harmonics that have a darwin of m sf under the theory of tides?

Question: What higher harmonics in tidal theory have a velocity of 0.0821373?