condition mean min max 0 h after light 1.097083 0.848426 1.34574 4 h after light 1.596425 1.46388 1.72897 8 h after light 0.9964695 0.769439 1.2235 4 h after dark 1.1475195 0.906269 1.38877 8 h after dark 1.0828285 0.842637 1.32302 12 h after dark 0.731379 0.564858 0.8979