diff --git a/conf.json b/conf.json
index c5f1b3d3167f9e3e79c5c55dabf9efa8b1f98df6..dc877cd2c9e50920e3bf887f34a6eef0bee5b5b0 100644
--- a/conf.json
+++ b/conf.json
@@ -7,7 +7,7 @@
 		["ecotrack","./ecotrack/in","./ecotrack/out/II","2019-08-05","2019-09-27"],
 		["ecotrack","./ecotrack/in","./ecotrack/out/III","2019-09-27","2019-11-20"],
 		["ecotrack","./ecotrack/in","./ecotrack/out/all","2019-06-29","2019-11-01"],
-		["ecotrack","./ecotrack/in","./blatrack","2019-10-12","2019-10-15"],
+		["ecotrack","./ecotrack/in","./blatrack","2019-10-12","2019-10-13"],
 		["ecolux","./ecolux/I/01-raw","./blalux","2020-09-01","2020-09-02"]
 	],
 	"blox" :
diff --git a/dataSync.py b/dataSync.py
index 88b2d30a8262ef58b635a1664f99de5f8d148e46..d0eeb144b6563c6a3ec3d7e27608a0cf4d03420c 100755
--- a/dataSync.py
+++ b/dataSync.py
@@ -5,7 +5,7 @@
 # output one huge table with all necessary fields for further processing/vizualization
 #
 ############################
-# TODO / MISC
+# TODO / MISC / Q
 ############################
 # rewrite conf.json structure to reflect projects > [conf, blox]
 # > ecotrack time is in CEST (both track and temp) => UTC+2 => C'est une problème?
@@ -30,8 +30,8 @@ from pprint import pp as p
 from datetime import datetime as dt
 import dataFilter
 try:
-	scriptpath=os.path.dirname(os.path.realpath(__file__))
-	sys.path.append(scriptpath + os.sep + "skyglow")
+	scriptpath = os.path.dirname(os.path.realpath(__file__))
+	sys.path.append( scriptpath + os.sep + "skyglow" )
 	from skyglow import moon as moonMap
 	from skyglow import skyglowDict
 except ModuleNotFoundError as e:
@@ -50,7 +50,7 @@ NO_MERGE=False
 # month, sunrise, sunset
 # sa: https://www.laenderdaten.info/Europa/Deutschland/sonnenuntergang.php
 suntimes = [
-	( datetime.time(8,7),datetime.time(16,24) ),
+	( datetime.time(8,7),datetime.time(16,24) ),	#january
 	( datetime.time(7,20),datetime.time(17,20) ),
 	( datetime.time(6,18),datetime.time(18,12) ),
 	( datetime.time(6,5),datetime.time(20,6) ),
@@ -61,7 +61,7 @@ suntimes = [
 	( datetime.time(6,39),datetime.time(19,23) ),
 	( datetime.time(7,30),datetime.time(18,13) ),
 	( datetime.time(7,26),datetime.time(16,15) ),
-	( datetime.time(8,8),datetime.time(15,54) ),
+	( datetime.time(8,8),datetime.time(15,54) ),	#december
 ]
 
 def isDay( cur ):
@@ -358,7 +358,7 @@ class Data:
 		for daynight in [0,1]:
 			for uid in range(N_UNITS):
 				for block, temps in self.meanTemps[daynight][uid].items():
-					#Assert: temps is a list of floats 
+					#Note: temps is a tuple of floats 
 					# -> all temp-values for uid and block
 					tmin = min(temps)
 					tmax = max(temps)
@@ -366,6 +366,7 @@ class Data:
 					self.meanTemps[daynight][uid][block] = tmean, tmin, tmax #replace list with tuple of mean, min, max
 
 		#add (night,day)*(mean,min,max) to tempData
+
 		for uid in range(N_UNITS):
 			for idx,lst in enumerate( self.tempData[uid] ):
 				time = lst[0]
@@ -375,14 +376,13 @@ class Data:
 				else:
 					temps = self.meanTemps[0][uid][block] + self.meanTemps[1][uid][block]
 
-				# if isDay(time):
-				# 	temps += "day"
-				# else:
-				# 	temps += "night"
-
-
 				self.tempData[uid][idx].extend( temps )
 
+				if isDay(time):
+					self.tempData[uid][idx].append("day")
+				else:
+					self.tempData[uid][idx].append("night")
+
 	def calc_mean_for_sensor_values_for_uid_and_time(self,uid,prev_time):
 		# 4 sensor-values (usually)
 		mean = calc_mean(self.tempData[uid][-1][1:])
@@ -556,8 +556,14 @@ class Data:
 				temp_indices[uid] += 1
 
 			# add cols (temp,mean_day_temp, mean_night_temp)
-			for temp in self.tempData[uid][temp_indices[uid]][1:]:
-				trackLine += DELIM + f"%.{temp_precision}f"%temp #fill up to temp_precision digits after comma
+			for temp in self.tempData[uid][temp_indices[uid]][1:-1]:
+				
+				#fill up to temp_precision digits after comma
+				trackLine += DELIM + f"%.{temp_precision}f"%temp 
+
+			# add daynight col
+			trackLine += DELIM + self.tempData[uid][temp_indices[uid]][-1]
+
 
 			self.trackData[track_idx] = trackLine
 			track_idx+=1
@@ -616,7 +622,7 @@ class Data:
 		if hasLight():
 			h+=', moon_real[mLux], moon_eco[mLux], skyglow[Lux]'
 		if hasTemp():
-			h+=', temp[C°], mean_night_temp[C°], min_night_temp[C°], max_night_temp[C°], mean_day_temp[C°], min_day_temp[C°], max_day_temp[C°], is_day'
+			h+=', temp[C°], mean_night_temp[C°], min_night_temp[C°], max_night_temp[C°], mean_day_temp[C°], min_day_temp[C°], max_day_temp[C°], time_of_day'
 		h +="\n" + RULER + "\n"
 		return h
 
diff --git a/skyglow b/skyglow
index 4076189110e3cbd75146a335c8954923e3959d27..04c1d61535d26a4590b37d0e5d888e83ac20a567 160000
--- a/skyglow
+++ b/skyglow
@@ -1 +1 @@
-Subproject commit 4076189110e3cbd75146a335c8954923e3959d27
+Subproject commit 04c1d61535d26a4590b37d0e5d888e83ac20a567