use separate is_day, is_night functions

modules/icing/pirep_goes.py

@@ -558,7 +558,7 @@ def run_daynight(filename, filename_l1b, day_night='ANY'):
     idxs = []
     for i in range(num_obs):
         if day_night == 'NIGHT':
-            if not is_day(solzen[i,]):
+            if is_night(solzen[i,]):
                 idxs.append(i)
         elif day_night == 'DAY':
             if is_day(solzen[i,]):
@@ -683,7 +683,7 @@ def apply_qc_icing_pireps(icing_alt, cld_top_hgt, cld_phase, cld_opd, cld_mask,
             if is_day(solzen[i,]):
                 continue
         elif day_night == 'DAY':
-            if not is_day(solzen[i,]):
+            if is_night(solzen[i,]):
                 continue
 
         keep_0 = np.logical_or(cld_mask[i,] == 2, cld_mask[i,] == 3)  # cloudy