condition mean min max 4 h after light 1345.630983 1128.595392 1562.666574 8 h after light 455.748741 406.105555 505.391927 12 h after light 962.7039474999999 704.828676 1220.579219 4 h after dark 266.9522575 95.160876 438.743639 8 h after dark 242.101459 136.061279 348.141639 12 h after dark 2293.805506 2293.805506 2293.805506