condition mean min max 4 h after light 3584.0222223333335 2392.48 5309.81 8 h after light 18141.010553333334 11410.88333 21561.105 12 h after light 32472.56333333333 21349.55 38664.54 1.5 h after dark 23758.18666666667 19159.51333 29646.07667 5.5 h after dark 6699.558889 5257.68 9188.436667 9.5 h after dark 3721.5122223333333 2153.046667 5674.12