condition mean min max 0 h after light 0.6419779999999999 0.541171 0.742785 4 h after light 5.35311 4.92669 5.77953 8 h after light 1.7132215 0.687373 2.73907 4 h after dark 1.32926 1.19374 1.46478 8 h after dark 1.2038075 0.798055 1.60956 12 h after dark 0.333504 0.329832 0.337176