condition mean min max 0 h after light 6.665455 6.34424 6.98667 2 h after light 4.788455 3.92942 5.64749 4 h after light 7.956575 6.80165 9.1115 8 h after light 6.9374 4.27675 9.59805 12 h after light 3.41449 2.83252 3.99646 2 h after dark 19.3462 15.6627 23.0297 4 h after dark 14.157205 8.40821 19.9062 8 h after dark 5.798055 5.15277 6.44334 12 h after dark 9.266539999999999 7.95138 10.5817