condition mean min max 4 h after light 412.558258 403.889275 421.227241 8 h after light 434.459472 395.456118 473.462826 12 h after light 368.11589449999997 348.531165 387.700624 4 h after dark 367.06058099999996 344.119399 390.001763 8 h after dark 405.6763665 335.285807 476.066926 12 h after dark 234.939731 234.939731 234.939731