condition mean min max 4 h after light 788.444159 735.33077 841.557548 8 h after light 559.819084 519.512643 600.125525 12 h after light 492.56655650000005 476.993104 508.140009 4 h after dark 633.4453755 538.029535 728.861216 8 h after dark 728.7875165 645.327587 812.247446 12 h after dark 657.135484 657.135484 657.135484