condition	mean	min	max
0 h after light	18.7157	18.6356	18.7958
4 h after light	16.470550000000003	16.3425	16.5986
8 h after light	14.802299999999999	13.7964	15.8082
4 h after dark	16.714399999999998	14.7229	18.7059
8 h after dark	18.903350000000003	18.3225	19.4842
12 h after dark	18.5255	17.5859	19.4651