condition	mean	min	max
4 h after light	12.10408	11.899	12.30916
8 h after light	10.959661	9.159049	12.760273
12 h after light	10.4303095	9.913226	10.947393
4 h after dark	9.394079000000001	9.368883	9.419275
8 h after dark	11.4045635	9.769424	13.039703
12 h after dark	21.492427	21.492427	21.492427