condition	mean	min	max
4 h after light	8.7153	8.00952	9.42108
8 h after light	8.097075	7.94304	8.25111
12 h after light	9.4171	9.129	9.7052
4 h after dark	10.105615	9.64353	10.5677
8 h after dark	10.590800000000002	10.2368	10.9448
12 h after dark	10.40495	10.392	10.4179