diff --git a/backend/app/influxdb_service.py b/backend/app/influxdb_service.py
index fa31778f42e4fdc1735939c07aa53d448337514c..fb766e6f0548e1cc7284883ce1f26487576dc5e5 100644
--- a/backend/app/influxdb_service.py
+++ b/backend/app/influxdb_service.py
@@ -11,4 +11,8 @@ client = InfluxDBHelper(
     bucket=os.getenv("INFLUXDB_BUCKET"),
 )
 
-client.get_all_data
+tables = client.get_all_data()
+
+for table in tables:
+  for record in table.records:
+    print(record)
\ No newline at end of file
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 356ccde0f82bc4edc77fe7043a31aaeff46db714..20d648f6b9103fbfc716072298e184ebc1babc7b 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -18,7 +18,8 @@ requires-python = ">=3.12"
 dependencies = [
     "django>=5.2",
     "django-cors-headers>=4.7.0",
-    "influxdb-client>=1.40"
+    "influxdb-client>=1.40",
+    "python-dotenv",
 ]
 
 [dependency-groups]
diff --git a/backend/uv.lock b/backend/uv.lock
index bb5eac9050ed029ae4ff5fce08ba0f45b49c48a9..14bce673b74992908e4d1d848ac0047eb7ee25b7 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -19,9 +19,10 @@ dependencies = [
     { name = "django" },
     { name = "django-cors-headers" },
     { name = "influxdb-client" },
+    { name = "python-dotenv" },
 ]
 
-[package.optional-dependencies]
+[package.dev-dependencies]
 dev = [
     { name = "ruff" },
 ]
@@ -31,9 +32,11 @@ requires-dist = [
     { name = "django", specifier = ">=5.2" },
     { name = "django-cors-headers", specifier = ">=4.7.0" },
     { name = "influxdb-client", specifier = ">=1.40" },
-    { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.11.5" },
+    { name = "python-dotenv" },
 ]
-provides-extras = ["dev"]
+
+[package.metadata.requires-dev]
+dev = [{ name = "ruff", specifier = ">=0.11.5" }]
 
 [[package]]
 name = "certifi"
@@ -99,6 +102,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ec/57/56b9bcc3c9c6a792fcbaf139543cee77261f3651ca9da0c93f5c1221264b/python_dateutil-2.9.0.post0-py2.py3-none-any.whl", hash = "sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427", size = 229892 },
 ]
 
+[[package]]
+name = "python-dotenv"
+version = "1.1.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/88/2c/7bb1416c5620485aa793f2de31d3df393d3686aa8a8506d11e10e13c5baf/python_dotenv-1.1.0.tar.gz", hash = "sha256:41f90bc6f5f177fb41f53e87666db362025010eb28f60a01c9143bfa33a2b2d5", size = 39920 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/1e/18/98a99ad95133c6a6e2005fe89faedf294a748bd5dc803008059409ac9b1e/python_dotenv-1.1.0-py3-none-any.whl", hash = "sha256:d7c01d9e2293916c18baf562d95698754b0dbbb5e74d457c45d4f6561fb9d55d", size = 20256 },
+]
+
 [[package]]
 name = "reactivex"
 version = "4.0.4"
diff --git a/utils/influx.py b/utils/influx.py
index 55aca620dfbf0c399e943b5a317aebae59220549..963f5e747c83c325f6bb83d8c9dd6eed5bb125e7 100644
--- a/utils/influx.py
+++ b/utils/influx.py
@@ -29,7 +29,7 @@ class InfluxDBHelper:
         '''
         query = f'''
             from(bucket: "{self.bucket}")
-                |> range(start: -1h)
+                |> range(start: -20d)
                 |> filter(fn: (r) => r["_measurement"] == "sensor_data")
         '''
         return self.query_api.query(org=self.org, query=query)