condition	mean	min	max
4 h after light	1066.7	1066.7	1066.7
8 h after light	1109.1	1081.9	1136.3
12 h after light	974.55	828.6	1120.5
4 h after dark	957.2	843.0	1071.4
8 h after dark	981.35	887.7	1075.0
12 h after dark	946.85	791.0	1102.7