diff --git a/data/Level0/Lake_Greifen_CTD_W_2021-09-20.txt b/data/Level0/Lake_Greifen_CTD_W_2021-09-20.txt
index 8495425588cf20cbe8624b1de94ecef573d7720b..191d084ea32ca79ac9c734ca9a6573674975db50 100644
--- a/data/Level0/Lake_Greifen_CTD_W_2021-09-20.txt
+++ b/data/Level0/Lake_Greifen_CTD_W_2021-09-20.txt
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f54dcbe857505ea5a25865ea4690d5b604106859f12907f8e1a9c1c7df7d5e35
-size 738882
+oid sha256:0f4854bb9ed33a6a0a8e8cf1a7bf89829b7fed67299e8497f0a47605c32e68e2
+size 753693
diff --git a/data/Level0/Lake_Greifen_CTD_W_2021-09-27.txt b/data/Level0/Lake_Greifen_CTD_W_2021-09-27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05f2617b65aa705d4d5cf362a93e926b854e2f3a
--- /dev/null
+++ b/data/Level0/Lake_Greifen_CTD_W_2021-09-27.txt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31c2bd51a7a07e38f6bdaca0cfc64374d4f502012d4056c022902d9a73d46c76
+size 14864
diff --git a/data/Level1A/Lake_Greifen_CTD_W_2021-09-20.nc b/data/Level1A/Lake_Greifen_CTD_W_2021-09-20.nc
index 08e48a5cd8d0180fbd06d9b53b099510b00db709..0c1c283985091b09764df4a027f79ed19ddceafa 100644
--- a/data/Level1A/Lake_Greifen_CTD_W_2021-09-20.nc
+++ b/data/Level1A/Lake_Greifen_CTD_W_2021-09-20.nc
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3ffbd46105a8d884a8257488e16389914ed8aa65e03719db5ae0fe37fc199c7c
-size 698608
+oid sha256:1da7dba4ac06a380395f920733af106dbd5eac044ec8bf51b24a35c02bc08186
+size 711488
diff --git a/data/Level1A/Lake_Greifen_CTD_W_2021-09-27.nc b/data/Level1A/Lake_Greifen_CTD_W_2021-09-27.nc
new file mode 100644
index 0000000000000000000000000000000000000000..3232ff8355a9e22a0767ebb74237e8bfbc4fe371
--- /dev/null
+++ b/data/Level1A/Lake_Greifen_CTD_W_2021-09-27.nc
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31cd58d26de84511c0bf8295af76b8a7f8a3b4f94b55b9f650586810c250a5cf
+size 67408
diff --git a/notebooks/lastupdated.ini b/notebooks/lastupdated.ini
index 9997ce7969560bf9369d673a98123b19cc7f3c95..fa45ed869bacab0fffe74ea5c8cdba01f8340f64 100644
--- a/notebooks/lastupdated.ini
+++ b/notebooks/lastupdated.ini
@@ -1,3 +1,3 @@
 [Updated]
-datetime = 2021-09-26T00:00:00Z
+datetime = 2021-09-27T00:00:00Z