condition	mean	min	max
4 h after light	26.220616999999997	20.641025	31.800209
8 h after light	20.0003415	18.729762	21.270921
12 h after light	21.942589	18.950614	24.934564
4 h after dark	14.477079	13.833083	15.121075
8 h after dark	16.0444775	15.932319	16.156636
12 h after dark	45.690202	45.690202	45.690202