condition	mean	min	max
4 h after light	33.1313	31.8655	34.3971
8 h after light	18.34615	18.2102	18.4821
12 h after light	16.1555	15.8527	16.4583
4 h after dark	20.13915	18.9828	21.2955
8 h after dark	23.6175	23.5775	23.6575
12 h after dark	27.124	26.3494	27.8986