condition mean min max 4 h after light 2915.9 2915.9 2915.9 8 h after light 2986.6499999999996 2722.7 3250.6 12 h after light 3248.45 3208.0 3288.9 4 h after dark 3175.95 3130.8 3221.1 8 h after dark 2460.8500000000004 2210.9 2710.8 12 h after dark 1898.65 1708.4 2088.9