condition mean min max 3 h after light 16.667633333333335 15.3608 18.0066 6 h after light 14.5299 10.95 20.7128 9 h after light 14.577566666666668 12.5394 15.7019 12 h after light 26.84545 17.0528 52.4513 3 h after dark 48.0351 38.9139 59.7313 6 h after dark 60.78543333333334 57.9501 64.7121 9 h after dark 67.19273333333334 61.7987 76.794 12 h after dark 81.56035 79.7183 83.4024