condition	mean	min	max
4 h after light	12.47485	11.2336	13.7161
8 h after light	13.193999999999999	13.0879	13.3001
12 h after light	18.04305	17.7743	18.3118
4 h after dark	24.50675	22.4258	26.5877
8 h after dark	27.07535	26.9368	27.2139
12 h after dark	23.42375	22.4443	24.4032