condition	mean	min	max
4 h after light	8600.8	8600.8	8600.8
8 h after light	8525.650000000001	8239.6	8811.7
12 h after light	8536.4	7644.5	9428.3
4 h after dark	8447.1	7201.1	9693.1
8 h after dark	7675.55	7445.0	7906.1
12 h after dark	7885.35	7325.5	8445.2