condition mean min max 4 h after light 5.6454699999999995 4.45836 6.83258 8 h after light 4.06211 3.36959 4.75463 12 h after light 3.10328 2.97309 3.23347 4 h after dark 4.477555 4.1377 4.81741 8 h after dark 5.199195 5.13406 5.26433 12 h after dark 5.751105 5.57628 5.92593