condition	mean	min	max
4 h after light	31.9639	30.5751	33.3527
8 h after light	18.848100000000002	15.6949	22.0013
12 h after light	14.69045	12.6902	16.6907
4 h after dark	29.933999999999997	29.598	30.27
8 h after dark	52.5479	51.1295	53.9663
12 h after dark	41.824349999999995	39.782	43.8667