condition	mean	min	max
4 h after light	30.95265	28.5231	33.3822
8 h after light	40.13015	39.818	40.4423
12 h after light	44.67585	44.3978	44.9539
4 h after dark	57.64445	53.3289	61.96
8 h after dark	52.1626	51.8189	52.5063
12 h after dark	43.6609	42.9618	44.36