condition mean min max 4 h after light 3037.020666666667 2736.2340000000004 3267.2540000000004 8 h after light 1403.8400000000001 1011.7510000000001 1766.3120000000001 12 h after light 2559.807 2170.23 3238.301 16 h after light 4534.441333333333 4006.039 4890.683 4 h after dark 4605.294666666667 4203.294 5066.228 8 h after dark 3828.712666666667 2701.402 4603.016