condition	mean	min	max
4 h after light	30.479599999999998	29.81	31.1492
8 h after light	29.26255	27.5471	30.978
12 h after light	82.7276	80.4824	84.9728
4 h after dark	141.826	134.682	147.952
8 h after dark	97.7959	93.864	100.754
12 h after dark	54.46776666666666	51.5404	58.4642