condition	mean	min	max
4 h after light	10.052025	9.44325	10.6608
8 h after light	7.095695	6.85145	7.33994
12 h after light	7.16333	6.51955	7.80711
4 h after dark	9.345195	9.19305	9.49734
8 h after dark	12.4448	10.9288	13.9608
12 h after dark	10.9875	10.6515	11.3235