Table 1.

The summary of experiments showing the light and tidal T-cycles, the predicted beat period and the outcome of each experiment.

Experiment	Light T-cycle (hours)	Tidal T-cycle (hours)	Predicted Period (days)	Best model fit (days)	R squared: Predicted	R squared: Best	P value
1	DD	12.42	14.79	16.3	61%	68%	<0.002
2	24 (LD12:12)	12.42	14.79	14.5	83%	84%	<0.002
3	23 (LD11.5:11.5)	12.42	6.47	6.5	61%	62%	<0.002
4	24.3 (LD12.15:12.15)	12.42	23.29	23.8	47%	48%	<0.002
5	24 (LD12:12)	12.25	24.50	23.0	60%	61%	<0.002
6	24 (LD12:12)	12.65	9.73	10.3	68%	72%	<0.002