Cloud Top Temperature Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Sat May 22 09:32:46 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/PFAAST_CRTM/PFAAST//MSG8_SEVIRI_2006236_2300_00_AWG_CLOUD_HEIGHT.nc
md5sum for file A: 0eabfe34253ca4da426613ecdf04b1c1
last modified: Fri May 21 17:06:59 2010

file B:

path: /data/wstraka/PFAAST_CRTM/CRTM//MSG8_SEVIRI_2006236_2300_00_AWG_CLOUD_HEIGHT.nc
md5sum for file B: f849240854b9ae996875332cb933fb04
last modified: Tue May 18 17:09:12 2010

A configuration file was used to control the production report.
Please see this copy of the configuration file for details.

latitude: Latitude
longitude: Longitude
longitude/latitude comparison epsilon: 0.01

Original Data

Comparison Information

variable name: Cloud_Top_Temp
epsilon value: 0.01
"missing" data value in A: -999.0
"missing" data value in B: -999.0

Note: The data for this variable from file A was filtered. Please see this copy of the original configuration file to view the data filtering function.
Note: The data for this variable from file B was filtered. Please see this copy of the original configuration file to view the data filtering function.

Statistical Summary

Finite Data Statistics
a_finite_count*: 4789052
a_finite_fraction*: 0.3476
b_finite_count*: 4623758
b_finite_fraction*: 0.3356
common_finite_count*: 4605625
common_finite_fraction*: 0.3343
finite_in_only_one_count*: 201560
finite_in_only_one_fraction*: 0.01463

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.01
max_a*: 306
max_b*: 305.3
min_a*: 183.3
min_b*: 183.2
num_data_points*: 13778944
shape*: (3712, 3712)
spatially_invalid_pts_ignored_in_a*: 3498123
spatially_invalid_pts_ignored_in_b*: 3498123

Missing Value Statistics
a_missing_count*: 5491769
a_missing_fraction*: 0.3986
b_missing_count*: 5657063
b_missing_fraction*: 0.4106
common_missing_count*: 5473636
common_missing_fraction*: 0.3972

NaN Statistics
a_nan_count*: 0
a_nan_fraction*: 0
b_nan_count*: 0
b_nan_fraction*: 0
common_nan_count*: 0
common_nan_fraction*: 0

Numerical Comparison Statistics
correlation*: 0.9715
diff_outside_epsilon_count*: 4353581
diff_outside_epsilon_fraction*: 0.9453
max_diff*: 91.47
mean_diff*: 1.328
median_diff*: 0.1943
perfect_match_count*: 5047
perfect_match_fraction*: 0.001096
rms_diff*: 6.526
std_diff*: 6.327
trouble_points_count*: 4555141
trouble_points_fraction*: 0.3306