condition mean min max 4 h after light 249.639484 242.419213 256.859755 8 h after light 283.4900165 257.824899 309.155134 12 h after light 239.249667 209.961219 268.538115 4 h after dark 239.37543399999998 236.25141 242.499458 8 h after dark 231.1045585 212.87412 249.334997 12 h after dark 204.849235 204.849235 204.849235