condition mean min max 4 h after light 34.78008 15.146887 54.413273 8 h after light 228.7284255 63.182982 394.273869 12 h after light 167.62063949999998 91.001349 244.23993 4 h after dark 852.125497 243.007884 1461.24311 8 h after dark 390.30677549999996 200.924364 579.689187 12 h after dark 209.351736 209.351736 209.351736