PhenoCam Camera NDVI ROI (RGB/IR Image Pair) Statistics File Format

The Camera NDVI ROI statistics file is created by combining the RGB and IR ROI statistics files. An example Camera NDVI ROI statistics file is below (for display purposes the lines have been broken with a '\' character):

#
#
# NDVI statistics timeseries for alligatorriver
#
# Site: alligatorriver
# Veg Type: DB
# ROI ID Number: 1000
# Lat: 35.7879
# Lon: -75.9038
# Elev: 1
# UTC Offset: -5
# Resize Flag: False
# Version: 1
# Creation Date: 2021-12-03
# Creation Time: 10:00:17
# Update Date: 2021-12-03
# Update Time: 10:00:17
#
date,local_std_time,doy,filename_rgb,filename_ir,solar_elev,exposure_rgb,exposure_ir,mask_index,\
r_mean,g_mean,b_mean,ir_mean,ir_std,ir_5_qtl,ir_10_qtl,ir_25_qtl,ir_50_qtl,ir_75_qtl,ir_90_qtl,ir_95_qtl,gcc,\
Y,Z_prime,R_prime,Y_prime,X_prime,NDVI_c
2012-05-06,07:31:09,127,alligatorriver_2012_05_06_073109.jpg,alligatorriver_IR_2012_05_06_073032.jpg,27.9754,355,67,1,\
91,107,54,96,20.5030,61.0000,70.0000,84.0000,99.0000,111.0000,122.0000,128.0000,0.4226,\
96.7480,11.8496,4.8755,5.1348,6.7147,0.1587
2012-05-06,08:01:09,127,alligatorriver_2012_05_06_080109.jpg,alligatorriver_IR_2012_05_06_080031.jpg,34.0538,224,40,1,\
96,107,48,99,21.2579,62.0000,72.0000,87.0000,101.0000,114.0000,126.0000,132.0000,0.4255,\
97.7713,15.7978,6.4400,6.5326,9.2652,0.1799
2012-05-06,08:31:09,127,alligatorriver_2012_05_06_083109.jpg,alligatorriver_IR_2012_05_06_083031.jpg,40.1044,148,18,1,\
92,104,49,96,25.1568,57.0000,67.0000,81.0000,96.0000,112.0000,130.0000,141.0000,0.4246,\
94.6368,22.8614,7.5662,7.7791,15.0823,0.3319

Comments lines at the beginning of the file are preceeded with '# ' and include some basic site metadata along with creation and update dates and times.  (The long lines have been broken up here with a '\' character for display only.)