condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.412502 0.0 0.825004 8 h after light 0.620885 0.0 1.24177 4 h after dark 0.206264 0.0 0.412528 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0