condition mean min max 4 h after light 38.401677500000005 31.962648 44.840707 8 h after light 46.012583 41.517111 50.508055 12 h after light 55.889708999999996 45.630599 66.148819 4 h after dark 44.4691775 43.722389 45.215966 8 h after dark 28.6036565 27.348862 29.858451 12 h after dark 36.63992 36.63992 36.63992