diff --git a/data/Level0/Lake_Greifen_CTD_W_2020-12-21.txt b/data/Level0/Lake_Greifen_CTD_W_2020-12-21.txt
index 7a1d2a8b735244877dd081ad34c7592bc3d483a5..2e3cdf5be050f4516f11d1fc82de4af090b7c495 100644
--- a/data/Level0/Lake_Greifen_CTD_W_2020-12-21.txt
+++ b/data/Level0/Lake_Greifen_CTD_W_2020-12-21.txt
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:26b91dd24fd0022310f7d4a896a24640fa1852946d4be12eb836941b7e8094af
-size 399849
+oid sha256:9c114ed030928ac7ecf56228e41addafd2cb13539fde4d21af6095594934b336
+size 414647
diff --git a/data/Level0/Lake_Greifen_CTD_W_2020-12-28.txt b/data/Level0/Lake_Greifen_CTD_W_2020-12-28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..68a1dab85057ff180f0a57e8bdab94cb1a6827df
--- /dev/null
+++ b/data/Level0/Lake_Greifen_CTD_W_2020-12-28.txt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4991315e901b7833361f19da84406d3f6dcd3a0a63ac987e68d8f432a872efb
+size 14849
diff --git a/data/Level1A/Lake_Greifen_CTD_W_2020-12-21.nc b/data/Level1A/Lake_Greifen_CTD_W_2020-12-21.nc
index 4d9d2783313207689c70852a6c76dfb6e8b964bc..7b18937e8059ee571df8a01b8266f46879e7b328 100644
--- a/data/Level1A/Lake_Greifen_CTD_W_2020-12-21.nc
+++ b/data/Level1A/Lake_Greifen_CTD_W_2020-12-21.nc
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:aa7289dc0b3996543a162f2ac696354c03102ae84bc69e8f68d21653dfbfa82b
-size 402368
+oid sha256:bd7a7d826c31925b8308ee74893efe2d86c234c8fdf055bc4ad43bb06eec9621
+size 415248
diff --git a/data/Level1A/Lake_Greifen_CTD_W_2020-12-28.nc b/data/Level1A/Lake_Greifen_CTD_W_2020-12-28.nc
new file mode 100644
index 0000000000000000000000000000000000000000..2ffa40abe379f3cd966d63c1130431b97d767883
--- /dev/null
+++ b/data/Level1A/Lake_Greifen_CTD_W_2020-12-28.nc
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c2358d490af364270732131299d1ca73064df75ab48b8d4a3d2cab675520089
+size 67408
diff --git a/notebooks/lastupdated.ini b/notebooks/lastupdated.ini
index 76d527a8606253e5d0a81c10c4c2e9a131b80699..e79a25d0cea4078412618f63d914eba845e65095 100644
--- a/notebooks/lastupdated.ini
+++ b/notebooks/lastupdated.ini
@@ -1,3 +1,3 @@
 [Updated]
-datetime = 2020-12-27T00:00:00Z
+datetime = 2020-12-28T00:00:00Z