condition	mean	min	max
4 h after light	9.460225	9.12718	9.79327
8 h after light	11.507	11.2301	11.7839
12 h after light	12.441199999999998	11.6031	13.2793
4 h after dark	18.59115	17.8891	19.2932
8 h after dark	18.860750000000003	18.1031	19.6184
12 h after dark	14.888100000000001	14.8054	14.9708