condition	mean	min	max
4 h after light	29999.78555333333	27119.84333	35442.09
8 h after light	23957.837223333332	20986.91	27840.595
12 h after light	23406.73111	16464.19333	27991.04667
1.5 h after dark	32286.14	29973.71333	36220.99
5.5 h after dark	27706.59889	25881.87667	30447.02333
9.5 h after dark	34580.49333333333	32585.32	36576.60667