condition mean min max 0 h after light 2.15257 1.85171 2.45343 2 h after light 1.27471 1.07019 1.47923 4 h after light 1.30214 1.01227 1.59201 8 h after light 1.560025 1.53871 1.58134 12 h after light 5.883785 5.50778 6.25979 2 h after dark 6.22997 6.12235 6.33759 4 h after dark 3.62095 3.37441 3.86749 8 h after dark 3.22294 3.12411 3.32177 12 h after dark 2.081365 1.78654 2.37619