condition	mean	min	max
4 h after light	31.562600000000003	25.6598	37.4654
8 h after light	18.94145	18.0199	19.863
12 h after light	22.73735	21.5458	23.9289
4 h after dark	20.506233333333334	20.0722	20.7756
8 h after dark	27.4895	26.8532	28.4552
12 h after dark	27.289633333333335	25.8937	29.7712