condition	mean	min	max
4 h after light	437.1	437.1	437.1
8 h after light	474.35	453.5	495.2
12 h after light	567.1	564.5	569.7
4 h after dark	543.7	470.6	616.8
8 h after dark	611.9	587.9	635.9
12 h after dark	541.35	461.0	621.7