condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.189196 0.0 0.458736 12 h after light 0.11014656666666667 0.0603007 0.152132 4 h after dark 0.075758 0.0 0.227274 8 h after dark 0.1247181 0.0740173 0.166807 12 h after dark 0.13255689999999998 0.0 0.312646