condition mean min max 4 h after light 902.6092333333333 816.5557 985.0043 8 h after light 707.7379 627.0838 789.2477 12 h after light 527.9325333333334 492.7385 560.0154 16 h after light 748.9310333333333 697.5367 783.0269 4 h after dark 2306.950333333333 2000.229 2796.54 8 h after dark 580.3435000000001 438.2704 682.5288