diff --git a/modules/icing/util.py b/modules/icing/util.py
index f18c0bb0b51d870d12dadd13ddd48191f14a43c8..b55622c122b87c130ce1073ad150636d90438051 100644
--- a/modules/icing/util.py
+++ b/modules/icing/util.py
@@ -2,6 +2,7 @@ import numpy as np
 import deeplearning.icing_fcn as icing_fcn
 import deeplearning.icing_cnn as icing_cnn
 from icing.pirep_goes import setup, time_filter_3
+from icing.moon_phase import moon_phase
 from util.util import get_time_tuple_utc, is_day, check_oblique, get_average, homedir, write_icing_file_nc4,\
     write_icing_file_nc4_viirs,\
     make_for_full_domain_predict, make_for_full_domain_predict_viirs_clavrx, prepare_evaluate
@@ -28,7 +29,7 @@ import datetime
 # endif
 
 
-def get_training_parameters(day_night='DAY', l1b_andor_l2='both', lunar=False):
+def get_training_parameters(day_night='DAY', l1b_andor_l2='both', use_dnb=False):
     if day_night == 'DAY':
         train_params_l2 = ['cld_height_acha', 'cld_geo_thick', 'cld_temp_acha', 'cld_press_acha', 'supercooled_cloud_fraction',
                            'cld_emiss_acha', 'conv_cloud_fraction', 'cld_reff_dcomp', 'cld_opd_dcomp', 'iwc_dcomp', 'lwc_dcomp']
@@ -40,7 +41,7 @@ def get_training_parameters(day_night='DAY', l1b_andor_l2='both', lunar=False):
         train_params_l2 = ['cld_height_acha', 'cld_geo_thick', 'cld_temp_acha', 'cld_press_acha', 'supercooled_cloud_fraction',
                            'cld_emiss_acha', 'conv_cloud_fraction', 'cld_reff_acha', 'cld_opd_acha']
 
-        if lunar is True:
+        if use_dnb is True:
             train_params_l2 = ['cld_height_acha', 'cld_geo_thick', 'cld_temp_acha', 'cld_press_acha', 'supercooled_cloud_fraction',
                                'cld_emiss_acha', 'conv_cloud_fraction', 'cld_reff_dcomp', 'cld_opd_dcomp', 'iwc_dcomp', 'lwc_dcomp']
 
@@ -69,7 +70,7 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
                       day_model_path=model_path_day, night_model_path=model_path_night,
                       prob_thresh=0.5, satellite='GOES16', domain='CONUS', day_night='AUTO',
                       l1b_andor_l2='l2', use_flight_altitude=True, res_fac=1, use_nan=False, has_time=False,
-                      model_type='FCN', lunar=False):
+                      model_type='FCN', use_dnb=False):
 
     if model_type == 'CNN':
         model_module = icing_cnn
@@ -81,15 +82,18 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
     else:
         flight_levels = [0]
 
-    day_train_params = get_training_parameters(day_night='DAY', l1b_andor_l2=l1b_andor_l2, lunar=lunar)
-    nght_train_params = get_training_parameters(day_night='NIGHT', l1b_andor_l2=l1b_andor_l2, lunar=lunar)
+    day_train_params = get_training_parameters(day_night='DAY', l1b_andor_l2=l1b_andor_l2)
+    nght_train_params = get_training_parameters(day_night='NIGHT', l1b_andor_l2=l1b_andor_l2, use_dnb=False)
+    nght_train_params_dnb = get_training_parameters(day_night='NIGHT', l1b_andor_l2=l1b_andor_l2, use_dnb=True)
 
     if day_night == 'AUTO':
         train_params = list(set(day_train_params + nght_train_params))
+        train_params_dnb = list(set(day_train_params + nght_train_params_dnb))
     elif day_night == 'DAY':
         train_params = day_train_params
     elif day_night == 'NIGHT':
         train_params = nght_train_params
+        train_params_dnb = nght_train_params_dnb
 
     if satellite == 'H08':
         clvrx_ds = CLAVRx_H08(clvrx_dir)
@@ -119,8 +123,10 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
                                 ['solar_zenith_angle', 'sensor_zenith_angle', 'cld_height_acha', 'cld_geo_thick', bt_fld_name],
                                 satellite=satellite, domain=domain, res_fac=res_fac)
         elif satellite == 'VIIRS':
+            if use_dnb and moon_phase(ts):
+                train_params = train_params_dnb
             data_dct, ll, cc, lats_2d, lons_2d = make_for_full_domain_predict_viirs_clavrx(h5f, name_list=train_params,
-                                                    day_night=day_night, res_fac=res_fac, lunar=lunar)
+                                                    day_night=day_night, res_fac=res_fac, use_dnb=use_dnb)
 
             bt_fld_name = 'temp_11_0um_nom'
             ancil_data_dct, _, _, _, _ = make_for_full_domain_predict_viirs_clavrx(h5f, name_list=
@@ -189,7 +195,7 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
 
         if (day_night == 'AUTO' or day_night == 'NIGHT') and num_nght_tiles > 0:
             model_path = night_model_path
-            if lunar:
+            if use_dnb:
                 model_path = day_model_path
                 day = 'DAY'