condition mean min max 4 h after light 2786.7 2786.7 2786.7 8 h after light 3136.45 3033.4 3239.5 12 h after light 2954.4 2853.5 3055.3 4 h after dark 3145.0 2943.1 3346.9 8 h after dark 3476.1499999999996 3342.1 3610.2 12 h after dark 3370.25 2870.2 3870.3