condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.05040033333333333 0.0 0.0992584 9 h after light 0.26567433333333335 0.158626 0.35089 12 h after light 0.23743199999999998 0.148639 0.329985 3 h after dark 0.8463343333333333 0.534782 1.15397 6 h after dark 0.428636 0.367282 0.484112 9 h after dark 0.171311 0.055311 0.235537 12 h after dark 0.2373695 0.234157 0.240582