Cloud Top Temperature Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Sat May 22 00:16:28 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/PFAAST_CRTM/PFAAST//MSG8_SEVIRI_2006236_1600_00_AWG_CLOUD_HEIGHT.nc
md5sum for file A: 29466e0372016ada4f71e42c2b292074
last modified: Tue May 18 16:56:55 2010

file B:

path: /data/wstraka/PFAAST_CRTM/CRTM//MSG8_SEVIRI_2006236_1600_00_AWG_CLOUD_HEIGHT.nc
md5sum for file B: a80f94f30f21a4e559437256fe3e9833
last modified: Tue May 18 16:54:45 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*: 4577316
a_finite_fraction*: 0.3322
b_finite_count*: 4727650
b_finite_fraction*: 0.3431
common_finite_count*: 4535227
common_finite_fraction*: 0.3291
finite_in_only_one_count*: 234512
finite_in_only_one_fraction*: 0.01702

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.01
max_a*: 317.6
max_b*: 317.4
min_a*: 181.2
min_b*: 181
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*: 5703505
a_missing_fraction*: 0.4139
b_missing_count*: 5553171
b_missing_fraction*: 0.403
common_missing_count*: 5511082
common_missing_fraction*: 0.4

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*: 0.9751
diff_outside_epsilon_count*: 4330290
diff_outside_epsilon_fraction*: 0.9548
max_diff*: 101.8
mean_diff*: 1.255
median_diff*: 0.2071
perfect_match_count*: 12057
perfect_match_fraction*: 0.002659
rms_diff*: 6.258
std_diff*: 6.077
trouble_points_count*: 4564802
trouble_points_fraction*: 0.3313