condition	mean	min	max
0 h after light	12.730799999999999	12.6092	12.8524
4 h after light	16.31875	15.6842	16.9533
8 h after light	21.71305	20.6894	22.7367
4 h after dark	20.96635	20.255	21.6777
8 h after dark	18.1803	18.0876	18.273
12 h after dark	13.121749999999999	11.7738	14.4697