diff --git a/solarconditionsproviders/solar_conditions_provider.py b/solarconditionsproviders/solar_conditions_provider.py
index 364625b..7479456 100644
--- a/solarconditionsproviders/solar_conditions_provider.py
+++ b/solarconditionsproviders/solar_conditions_provider.py
@@ -16,10 +16,11 @@ class SolarConditionsProvider:
         self.status = "Not Started" if self.enabled else "Disabled"
         self._solar_conditions = None
 
-    def setup(self, solar_conditions):
-        """Set up the provider, giving it the solar conditions dict to update"""
+    def setup(self, solar_conditions, solar_conditions_cache):
+        """Set up the provider, giving it the solar conditions object and its backing cache"""
 
         self._solar_conditions = solar_conditions
+        self._solar_conditions_cache = solar_conditions_cache
 
     def start(self):
         """Start the provider. This should return immediately after spawning threads to access the remote resources"""
@@ -39,3 +40,4 @@ class SolarConditionsProvider:
                 if hasattr(self._solar_conditions, key):
                     setattr(self._solar_conditions, key, value)
             self._solar_conditions.infer_descriptions()
+            self._solar_conditions_cache['solar_conditions'] = self._solar_conditions
diff --git a/spothole.py b/spothole.py
index 4e917ce..30b6b4e 100644
--- a/spothole.py
+++ b/spothole.py
@@ -18,7 +18,8 @@ from server.webserver import WebServer
 # Globals
 spots = Cache('cache/spots_cache')
 alerts = Cache('cache/alerts_cache')
-solar_conditions = SolarConditions()
+solar_conditions_cache = Cache('cache/solar_conditions_cache')
+solar_conditions = solar_conditions_cache.get('solar_conditions', SolarConditions())
 web_server = None
 status_data = {}
 spot_providers = []
@@ -48,6 +49,7 @@ def shutdown(sig, frame):
     lookup_helper.stop()
     spots.close()
     alerts.close()
+    solar_conditions_cache.close()
     os._exit(0)
 
 
@@ -120,7 +122,7 @@ if __name__ == '__main__':
     for entry in config.get("solar-condition-providers", []):
         solar_condition_providers.append(get_solar_conditions_provider_from_config(entry))
     for p in solar_condition_providers:
-        p.setup(solar_conditions=solar_conditions)
+        p.setup(solar_conditions=solar_conditions, solar_conditions_cache=solar_conditions_cache)
         if p.enabled:
             p.start()
 
diff --git a/templates/about.html b/templates/about.html
index 039c098..4f95d0d 100644
--- a/templates/about.html
+++ b/templates/about.html
@@ -69,7 +69,7 @@
     <p>This software is dedicated to the memory of Tom G1PJB, SK, a friend and colleague who sadly passed away around the time I started writing it in Autumn 2025. I was looking forward to showing it to you when it was done.</p>
 </div>
 
-<script src="/js/common.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924254"></script>
 <script>$(document).ready(function() { $("#nav-link-about").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/add_spot.html b/templates/add_spot.html
index afaff68..3c18416 100644
--- a/templates/add_spot.html
+++ b/templates/add_spot.html
@@ -69,8 +69,8 @@
 
 </div>
 
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/add-spot.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924254"></script>
+<script src="/js/add-spot.js?v=1778924254"></script>
 <script>$(document).ready(function() { $("#nav-link-add-spot").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/alerts.html b/templates/alerts.html
index 1ebace6..ed836f1 100644
--- a/templates/alerts.html
+++ b/templates/alerts.html
@@ -70,8 +70,8 @@
 
 </div>
 
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/alerts.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924255"></script>
+<script src="/js/alerts.js?v=1778924255"></script>
 <script>$(document).ready(function() { $("#nav-link-alerts").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/bands.html b/templates/bands.html
index 3b14bb7..eba8349 100644
--- a/templates/bands.html
+++ b/templates/bands.html
@@ -76,9 +76,9 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/spotsbandsandmap.js?v=1778924234"></script>
-<script src="/js/bands.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924254"></script>
+<script src="/js/spotsbandsandmap.js?v=1778924254"></script>
+<script src="/js/bands.js?v=1778924254"></script>
 <script>$(document).ready(function() { $("#nav-link-bands").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/base.html b/templates/base.html
index fe4bdde..e4b9506 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -24,7 +24,7 @@
 
     <title>Spothole</title>
 
-    <link rel="stylesheet" href="/css/style.css?v=1778924234" type="text/css">
+    <link rel="stylesheet" href="/css/style.css?v=1778924254" type="text/css">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet"
           integrity="sha384-sRIl4kxILFvY47J16cr9ZwB07vP4J8+LH7qKQnuqkuIAvNWLzeN8tE5YBujZqJLB" crossorigin="anonymous">
     <link href="/fa/css/fontawesome.min.css" rel="stylesheet" />
@@ -52,9 +52,9 @@
             integrity="sha384-L1eE4eD41kpBIWe2I0eHy+GnEUC4RIpcvibVW2JCminuPlTl+2Bc528iPdVMg5Dn"
             crossorigin="anonymous"></script>
 
-    <script src="https://misc.ianrenton.com/jsutils/utils.js?v=1778924234"></script>
-    <script src="https://misc.ianrenton.com/jsutils/ui-ham.js?v=1778924234"></script>
-    <script src="https://misc.ianrenton.com/jsutils/geo.js?v=1778924234"></script>
+    <script src="https://misc.ianrenton.com/jsutils/utils.js?v=1778924254"></script>
+    <script src="https://misc.ianrenton.com/jsutils/ui-ham.js?v=1778924254"></script>
+    <script src="https://misc.ianrenton.com/jsutils/geo.js?v=1778924254"></script>
 
 </head>
 <body>
diff --git a/templates/conditions.html b/templates/conditions.html
index 62f11ce..1a55dda 100644
--- a/templates/conditions.html
+++ b/templates/conditions.html
@@ -249,8 +249,8 @@
 </div>
 
 <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.9/dist/chart.umd.min.js"></script>
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/conditions.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924254"></script>
+<script src="/js/conditions.js?v=1778924254"></script>
 <script>$(document).ready(function () {
     $("#nav-link-conditions").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/map.html b/templates/map.html
index 62aa4ea..0e430bb 100644
--- a/templates/map.html
+++ b/templates/map.html
@@ -94,9 +94,9 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/spotsbandsandmap.js?v=1778924234"></script>
-<script src="/js/map.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924255"></script>
+<script src="/js/spotsbandsandmap.js?v=1778924255"></script>
+<script src="/js/map.js?v=1778924255"></script>
 <script>$(document).ready(function() { $("#nav-link-map").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/spots.html b/templates/spots.html
index 42b80b2..451b551 100644
--- a/templates/spots.html
+++ b/templates/spots.html
@@ -104,9 +104,9 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/js/common.js?v=1778924233"></script>
-<script src="/js/spotsbandsandmap.js?v=1778924233"></script>
-<script src="/js/spots.js?v=1778924233"></script>
+<script src="/js/common.js?v=1778924254"></script>
+<script src="/js/spotsbandsandmap.js?v=1778924254"></script>
+<script src="/js/spots.js?v=1778924254"></script>
 <script>$(document).ready(function() { $("#nav-link-spots").addClass("active"); }); <!-- highlight active page in nav --></script>
 
 {% end %}
\ No newline at end of file
diff --git a/templates/status.html b/templates/status.html
index b424407..f2ad850 100644
--- a/templates/status.html
+++ b/templates/status.html
@@ -59,8 +59,8 @@
     </div>
 </div>
 
-<script src="/js/common.js?v=1778924234"></script>
-<script src="/js/status.js?v=1778924234"></script>
+<script src="/js/common.js?v=1778924254"></script>
+<script src="/js/status.js?v=1778924254"></script>
 <script>
     $(document).ready(function() { $("#nav-link-status").addClass("active"); }); <!-- highlight active page in nav -->
 </script>