condition mean min max 0 h after light 108.0285 107.445 108.612 2 h after light 66.9866 66.3715 67.6017 4 h after light 36.07175 35.905 36.2385 8 h after light 14.6081 13.3549 15.8613 12 h after light 31.701 30.8086 32.5934 2 h after dark 40.6006 40.4889 40.7123 4 h after dark 39.6901 39.3573 40.0229 8 h after dark 67.8318 65.1238 70.5398 12 h after dark 109.245 103.305 115.185