condition	mean	min	max
4 h after light	11.535025000000001	9.76595	13.3041
8 h after light	19.718	18.6226	20.8134
12 h after light	29.47245	28.1348	30.8101
4 h after dark	28.59865	28.1655	29.0318
8 h after dark	25.314349999999997	23.8934	26.7353
12 h after dark	18.523400000000002	18.4963	18.5505