condition mean min max 4 h after light 11.821473999999998 11.078954 12.563994 8 h after light 11.8905265 11.805043 11.97601 12 h after light 12.671051 11.460729 13.881373 4 h after dark 11.4589955 11.112948 11.805043 8 h after dark 12.522498500000001 12.02173 13.023267 12 h after dark 11.696611 11.696611 11.696611