condition	mean	min	max
4 h after light	619.8	619.8	619.8
8 h after light	623.65	551.3	696.0
12 h after light	879.3	661.0	1097.6
4 h after dark	1071.9	1022.3	1121.5
8 h after dark	807.25	744.8	869.7
12 h after dark	670.7	585.0	756.4