condition mean min max 4 h after light 50.049212 46.390135 53.708289 8 h after light 42.194148 42.044689 42.343607 12 h after light 44.970704999999995 44.616783 45.324627 4 h after dark 47.634192999999996 45.969515 49.298871 8 h after dark 47.637823 47.021495 48.254151 12 h after dark 42.725066 42.725066 42.725066