Cloud Top Temperature Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Fri May 21 17:29:44 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/PFAAST_CRTM/PFAAST//MSG8_SEVIRI_2006236_0600_00_AWG_CLOUD_HEIGHT.nc
md5sum for file A: ed372860d5ffb887428313d8cddfcf4b
last modified: Tue May 18 16:25:55 2010

file B:

path: /data/wstraka/PFAAST_CRTM/CRTM//MSG8_SEVIRI_2006236_0600_00_AWG_CLOUD_HEIGHT.nc
md5sum for file B: 34c6468ed5bd4b84554c464270a86a70
last modified: Tue May 18 16:27:31 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*: 4932413
a_finite_fraction*: 0.358
b_finite_count*: 4940944
b_finite_fraction*: 0.3586
common_finite_count*: 4810739
common_finite_fraction*: 0.3491
finite_in_only_one_count*: 251879
finite_in_only_one_fraction*: 0.01828

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.01
max_a*: 316.4
max_b*: 317.7
min_a*: 184.1
min_b*: 184.1
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*: 5348408
a_missing_fraction*: 0.3882
b_missing_count*: 5339877
b_missing_fraction*: 0.3875
common_missing_count*: 5218203
common_missing_fraction*: 0.3787

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*: 0.9724
diff_outside_epsilon_count*: 4574417
diff_outside_epsilon_fraction*: 0.9509
max_diff*: 99.57
mean_diff*: 1.235
median_diff*: 0.1845
perfect_match_count*: 6891
perfect_match_fraction*: 0.001432
rms_diff*: 6.256
std_diff*: 6.077
trouble_points_count*: 4826296
trouble_points_fraction*: 0.3503