condition	mean	min	max
4 h after light	3909.4400535	3731.917099	4086.963008
8 h after light	3884.696668	3412.116672	4357.276664
12 h after light	4001.777983	3911.094984	4092.460982
4 h after dark	4195.7432485	4191.831555	4199.654942
8 h after dark	4459.675945999999	4118.571285	4800.780607
12 h after dark	4940.616672	4940.616672	4940.616672