condition mean min max 0 h after light 6.489295 5.19029 7.7883 2 h after light 6.0558499999999995 5.51703 6.59467 4 h after light 3.8985899999999996 3.18097 4.61621 8 h after light 5.01613 4.30888 5.72338 12 h after light 5.941245 5.21481 6.66768 2 h after dark 6.21349 4.98153 7.44545 4 h after dark 4.5828299999999995 4.53174 4.63392 8 h after dark 7.682085 7.5427 7.82147 12 h after dark 7.03339 6.928 7.13878