condition	mean	min	max
4 h after light	967.1	967.1	967.1
8 h after light	839.45	823.4	855.5
12 h after light	904.8	792.3	1017.3
4 h after dark	932.3	874.9	989.7
8 h after dark	1086.9	1066.5	1107.3
12 h after dark	1072.7	999.6	1145.8