condition	mean	min	max
3 h after light	20.756241666666668	10.721	30.3873
7 h after light	20.0951	12.2831	31.5121
11 h after light	16.455785833333334	8.4324	23.9283
2 h after dark	20.49755	12.1291	29.8765
6 h after dark	20.295716666666667	12.6462	29.2119
10 h after dark	20.931124999999998	12.9671	37.3469