condition	mean	min	max
4 h after light	20.040300000000002	18.6414	21.4392
8 h after light	14.679549999999999	14.1021	15.257
12 h after light	15.2669	14.9402	15.5936
4 h after dark	15.05965	14.2532	15.8661
8 h after dark	17.31605	16.9772	17.6549
12 h after dark	17.8575	17.2775	18.4375