condition mean min max 4 h after light 505.8756333333333 443.6114 577.5273 8 h after light 257.5822333333333 162.5469 408.5192 12 h after light 286.12333333333333 235.3163 337.7831 16 h after light 319.8282 243.6479 372.1478 4 h after dark 743.7819 699.3978 770.9257 8 h after dark 468.1876 341.259 541.9513