condition mean min max 0 h after light 55.51775 53.9491 57.0864 2 h after light 52.2472 46.2741 58.2203 4 h after light 49.55385 44.4245 54.6832 8 h after light 40.75995 38.9284 42.5915 12 h after light 51.79315 48.002 55.5843 2 h after dark 59.4561 53.4113 65.5009 4 h after dark 65.5212 57.7993 73.2431 8 h after dark 54.65345 49.7498 59.5571 12 h after dark 61.278 58.8283 63.7277