diff --git a/app/src/routes/+page.svelte b/app/src/routes/+page.svelte
index 66d5a5f..87207d6 100644
--- a/app/src/routes/+page.svelte
+++ b/app/src/routes/+page.svelte
@@ -120,7 +120,7 @@
 
 			<div id="text">
 				<p id="last-update">
-					last updated on 2023/08/28 (data from 01/1880 to 07/2023)
+					last updated on 2023/10/23 (data from 01/1880 to 09/2023)
 				</p>
 
 				<p>
diff --git a/app/static/data/data.csv b/app/static/data/data.csv
index 17f9979..f4de487 100644
--- a/app/static/data/data.csv
+++ b/app/static/data/data.csv
@@ -1715,10 +1715,12 @@ year,month,diff_temp
 2022,10,0.97
 2022,11,0.73
 2022,12,0.80
-2023,1,0.87
-2023,2,0.98
+2023,1,0.86
+2023,2,0.97
 2023,3,1.20
-2023,4,1.00
+2023,4,0.99
 2023,5,0.93
-2023,6,1.08
-2023,7,1.18
\ No newline at end of file
+2023,6,1.07
+2023,7,1.18
+2023,8,1.19
+2023,9,1.47
\ No newline at end of file