condition	mean	min	max
4 h after light	19.09235	18.666	19.5187
8 h after light	17.69995	17.4837	17.9162
12 h after light	20.67025	18.7306	22.6099
4 h after dark	26.80975	26.2924	27.3271
8 h after dark	25.3885	24.8545	25.9225
12 h after dark	23.42825	23.1297	23.7268