diff --git a/.env-base b/.env-base
index 510adcf..3b5f5ec 100644
--- a/.env-base
+++ b/.env-base
@@ -6,4 +6,5 @@ PYTHON_VERSION=$(grep -m 1 'python' ./pyproject.toml | grep -oP 'python\s*=\s*"\
 DOCKER_PROJECTS=("gallery")
 DOCKER_TAG=latest
 
-OPENWEATHER_KEY="<EMPTY>"
\ No newline at end of file
+OPENWEATHER_KEY=""
+GISMETEO_AUTH=""
\ No newline at end of file
diff --git a/docker-compose-develop.yaml b/docker-compose-develop.yaml
index 6742296..3e75bda 100644
--- a/docker-compose-develop.yaml
+++ b/docker-compose-develop.yaml
@@ -13,6 +13,7 @@ services:
     environment:
       - REDIS_HOST=redis
       - OPENWEATHER_KEY=$OPENWEATHER_KEY
+      - GISMETEO_AUTH=$GISMETEO_AUTH
       - DEBUG=1
     ports:
       - 8000:80
diff --git a/docker-compose.yaml b/docker-compose.yaml
index c1c7ce1..fe15a82 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -13,6 +13,7 @@ services:
     environment:
       - REDIS_HOST=redis
       - OPENWEATHER_KEY=$OPENWEATHER_KEY
+      - GISMETEO_AUTH=$GISMETEO_AUTH
     depends_on:
       - redis
     ports:
diff --git a/gallery/painting/gismeteo/api.py b/gallery/painting/gismeteo/api.py
index 8e042c5..1547a06 100644
--- a/gallery/painting/gismeteo/api.py
+++ b/gallery/painting/gismeteo/api.py
@@ -1,6 +1,7 @@
 import datetime
 import json
 import logging
+from os import environ
 from typing import Any
 
 from bs4 import BeautifulSoup
@@ -9,6 +10,7 @@ from fastapi import HTTPException, status
 from gallery.sketch.source import ApiSource
 from gallery.sketch.weather.api import WeatherApi
 from gallery.sketch.weather.model import Location, WeatherResponse, WeatherValue
+from gallery.sketch.weather.util import merge_weather_values
 
 from . import datehelp
 from .parser import DAYS_PARSER, LOCATION_PARSER, ONE_DAY_PARSER, ROW_PARSERS
@@ -20,18 +22,7 @@ class GismeteoApi(WeatherApi):
     PROVIDER = "gismeteo"
     SOURCE = ApiSource(
         "https://www.gismeteo.ru",
-        cookies={
-            "cf_clearance": (
-                "zPj8qeaYZWp5BUZsWIRD7kd32s59IDWWaVvD7GGf6b4-1724254262-1.2.1.1-"
-                "R1PaHoqlm4OEgHfrOg6oAJmVmFJ7053JI_QDjIFlCAmbNY0oyw1J4QtgmEkAkTWF4C99X5hpXmZB2en."
-                "9Ey3NL0kzaE10UGBHPli5OLxHNKC3wQ34xmxTxg6GcKouXOPRgqo92lVRpQP7ghvDmvvT_"
-                "S6YXDbRonkamptWhZiAsIhsnIQg2Mt7Lk1fxSEVbaey_RXVQBvaR2ofiFgIavcbQPRFSvJ."
-                "Ct_FujmymTAZWh1XHTptK32kur81NXyPuARThetOKQm8AklaMa855Oom6Bms1a4F9b0yEHSd2inA4j3FR7uauu8hhwO0Z2goa3."
-                "ktpXXAQLz6dm.fBEWIHD7wooda15X57tCcDOely4hxhO4LK2lIH6TbOr."
-                "rZQAiRRhltHiCizP1Ou2SiF_81lb1umoDh739tQD1cnw_USnL."
-                "JwTHvkB00ZnaHRMi4FCBrsKIE0NxJO6kiv1QANqumzf5.8_pSIGRo2cKeO8xCydduDNFbStdOmLR6FU7ZKqVu"
-            )
-        },
+        cookies={"xauth": auth} if (auth := environ.get("GISMETEO_AUTH")) else None,
     )
 
     def _parse_oneday(self, date: datetime.date, data: str) -> WeatherResponse:
@@ -45,6 +36,10 @@ class GismeteoApi(WeatherApi):
                     result.append({})
                 result[index][parser.KEY] = value
         values = [WeatherValue(**item) for item in result]
+        # group values by 3 hours
+        if len(values) > 8:
+            n = 3
+            values = [merge_weather_values(values[i].date, values[i : i + n]) for i in range(0, len(values), n)]
         return WeatherResponse(
             location=location or "n/a",
             date=date,