condition mean min max 4 h after light 2480.7 2480.7 2480.7 8 h after light 2889.3 2353.3 3425.3 12 h after light 2178.75 1472.5 2885.0 4 h after dark 940.1500000000001 398.4 1481.9 8 h after dark 442.55 440.6 444.5 12 h after dark 434.4 428.0 440.8