condition	mean	min	max
4 h after light	33.60876666666667	26.6631	38.6445
8 h after light	15.12222	6.30906	23.0893
12 h after light	9.81295	6.87925	11.4217
4 h after dark	29.5026	25.4797	31.5206
8 h after dark	50.1933	44.2294	53.486
12 h after dark	32.023466666666664	24.7438	37.7776