condition mean min max 4 h after light 144.6 144.6 144.6 8 h after light 207.15 149.2 265.1 12 h after light 97.15 47.0 147.3 4 h after dark 232.8 94.6 371.0 8 h after dark 339.20000000000005 165.7 512.7 12 h after dark 172.25 166.5 178.0