condition	mean	min	max
0 h after light	39.849450000000004	39.1836	40.5153
4 h after light	26.57765	24.5255	28.6298
8 h after light	28.57225	26.3749	30.7696
4 h after dark	37.4919	37.4625	37.5213
8 h after dark	35.7151	34.0428	37.3874
12 h after dark	33.16045	31.0331	35.2878