condition	mean	min	max
4 h after light	1215.8	1215.8	1215.8
8 h after light	1281.0	1179.7	1382.3
12 h after light	1256.6	1156.0	1357.2
4 h after dark	1184.1	1068.9	1299.3
8 h after dark	1046.05	906.5	1185.6
12 h after dark	1154.75	1146.9	1162.6