condition mean min max 4 h after light 0.03490695 0.0 0.0698139 8 h after light 0.02828155 0.0 0.0565631 12 h after light 0.0458166 0.0 0.0916332 4 h after dark 0.060816949999999995 0.0603805 0.0612534 8 h after dark 0.03025835 0.0 0.0605167 12 h after dark 0.07995125 0.0595785 0.100324