condition mean min max 4 h after light 1013.578211 978.155134 1049.001288 8 h after light 932.177542 916.573446 947.781638 12 h after light 905.610353 905.539749 905.680957 4 h after dark 711.6134010000001 583.148591 840.078211 8 h after dark 632.427752 469.771026 795.084478 12 h after dark 637.878765 637.878765 637.878765