condition	mean	min	max
0 h after light	39.38535	37.8664	40.9043
4 h after light	18.613799999999998	18.3298	18.8978
8 h after light	20.4752	20.0224	20.928
4 h after dark	29.71985	27.343	32.0967
8 h after dark	28.637749999999997	27.6042	29.6713
12 h after dark	31.963900000000002	24.8963	39.0315