condition mean min max 0 h after light 181.0855 173.273 188.898 4 h after light 252.8375 251.232 254.443 8 h after light 293.84749999999997 280.135 307.56 4 h after dark 338.512 336.672 340.352 8 h after dark 307.397 293.566 321.228 12 h after dark 256.567 244.292 268.842