condition mean min max 0 h after light 0.798186 0.228402 1.36797 4 h after light 0.3371855 0.0 0.674371 8 h after light 1.2634265 0.902263 1.62459 4 h after dark 1.7962250000000002 1.1196 2.47285 8 h after dark 1.59433 1.46532 1.72334 12 h after dark 1.169355 1.13844 1.20027