condition mean min max 0 h after light 18.3721 15.9318 20.8124 2 h after light 80.3485 76.7721 83.9249 4 h after light 48.30245 45.0168 51.5881 8 h after light 43.01675 31.5201 54.5134 12 h after light 81.38065 80.5083 82.253 2 h after dark 63.89815 52.6972 75.0991 4 h after dark 39.116 27.7001 50.5319 8 h after dark 24.296999999999997 23.2552 25.3388 12 h after dark 22.061149999999998 22.0523 22.07