commit

public/data/lakes_index.json

@@ -35,9 +35,9 @@
     "name": "Lipno II",
     "river": "Vltava",
     "priority": true,
-    "level": "561.07",
+    "level": "561.06",
     "capacity": 64.4,
-    "storageDiff": -1.63,
+    "storageDiff": -1.64,
     "inflow": "11.2",
     "outflow": "0.0",
     "volume": 1.03,
@@ -46,8 +46,6 @@
     "lat": 48.625,
     "lng": 14.318,
     "sparkline": [
-      561.14,
-      561.13,
       561.12,
       561.12,
       561.11,
@@ -57,7 +55,9 @@
       561.09,
       561.08,
       561.07,
-      561.07
+      561.07,
+      561.06,
+      561.06
     ],
     "type": "lake"
   },
@@ -77,8 +77,6 @@
     "lat": 49.183,
     "lng": 14.444,
     "sparkline": [
-      369.52,
-      369.51,
       369.51,
       369.52,
       369.52,
@@ -88,6 +86,8 @@
       369.51,
       369.51,
       369.51,
+      369.51,
+      369.51,
       369.51
     ],
     "type": "lake"
@@ -108,7 +108,6 @@
     "lat": 49.255,
     "lng": 14.398,
     "sparkline": [
-      352.56,
       352.55,
       352.55,
       352.55,
@@ -119,6 +118,7 @@
       352.54,
       352.54,
       352.54,
+      352.54,
       352.54
     ],
     "type": "lake"
@@ -128,11 +128,11 @@
     "name": "Orlík",
     "river": "Vltava",
     "priority": true,
-    "level": "345.20",
+    "level": "345.19",
     "capacity": 72.7,
-    "storageDiff": -4.7,
+    "storageDiff": -4.71,
     "inflow": "27.6",
-    "outflow": "56.5",
+    "outflow": "73.6",
     "volume": 520.93,
     "maxVolume": 716.5,
     "navigationForbidden": false,
@@ -142,7 +142,6 @@
       345.19,
       345.19,
       345.19,
-      345.19,
       345.2,
       345.21,
       345.21,
@@ -150,7 +149,8 @@
       345.21,
       345.21,
       345.2,
-      345.2
+      345.2,
+      345.19
     ],
     "type": "lake"
   },
@@ -159,11 +159,11 @@
     "name": "Slapy",
     "river": "Vltava",
     "priority": true,
-    "level": "269.76",
+    "level": "269.74",
     "capacity": 96.6,
-    "storageDiff": -0.84,
+    "storageDiff": -0.86,
     "inflow": "33.8",
-    "outflow": "257.4",
+    "outflow": "293.6",
     "volume": 260.04,
     "maxVolume": 269.3,
     "navigationForbidden": false,
@@ -180,8 +180,8 @@
       269.79,
       269.79,
       269.79,
-      269.79,
+      269.76,
-      269.76
+      269.74
     ],
     "type": "lake"
   },
@@ -190,18 +190,17 @@
     "name": "Štěchovice",
     "river": "Vltava",
     "priority": true,
-    "level": "216.32",
+    "level": "216.58",
     "capacity": 67.9,
-    "storageDiff": -3.08,
+    "storageDiff": -2.82,
     "inflow": "49.2",
-    "outflow": "46.7",
+    "outflow": "60.8",
     "volume": 7.6,
     "maxVolume": 11.2,
     "navigationForbidden": false,
     "lat": 49.845,
     "lng": 14.412,
     "sparkline": [
-      216.51,
       216.49,
       216.49,
       216.46,
@@ -212,7 +211,8 @@
       216.39,
       216.37,
       216.35,
-      216.32
+      216.32,
+      216.58
     ],
     "type": "lake"
   },
@@ -256,7 +256,7 @@
     "capacity": 56.4,
     "storageDiff": -1.35,
     "inflow": "1.0",
-    "outflow": "0.0",
+    "outflow": "2.5",
     "volume": 31.99,
     "maxVolume": 56.7,
     "navigationForbidden": false,
@@ -267,13 +267,13 @@
       352.75,
       352.75,
       352.75,
-      352.75,
-      352.75,
       352.76,
       352.75,
       352.75,
       352.75,
       352.75,
+      352.75,
+      352.75,
       352.75
     ],
     "type": "lake"
@@ -283,9 +283,9 @@
     "name": "Švihov (Želivka)",
     "river": "",
     "priority": true,
-    "level": "375.11",
+    "level": "375.10",
     "capacity": 90.2,
-    "storageDiff": -1.89,
+    "storageDiff": -1.9,
     "inflow": "0.9",
     "outflow": "0.0",
     "volume": 240.42,
@@ -305,7 +305,7 @@
       375.11,
       375.11,
       375.11,
-      375.11
+      375.1
     ],
     "type": "lake"
   },
@@ -314,19 +314,17 @@
     "name": "Kamýk",
     "river": "",
     "priority": false,
-    "level": "282.96",
+    "level": "283.02",
     "capacity": 77.3,
-    "storageDiff": -1.64,
+    "storageDiff": -1.58,
     "inflow": "26.3",
-    "outflow": "39.4",
+    "outflow": "39.5",
     "volume": 9.89,
     "maxVolume": 12.8,
     "navigationForbidden": false,
     "lat": 49.638,
     "lng": 14.258,
     "sparkline": [
-      282.97,
-      282.98,
       282.98,
       282.97,
       282.98,
@@ -336,7 +334,9 @@
       282.97,
       282.97,
       282.97,
-      282.96
+      282.96,
+      282.95,
+      283.02
     ],
     "type": "lake"
   },
@@ -345,9 +345,9 @@
     "name": "Vrané",
     "river": "",
     "priority": false,
-    "level": "199.33",
+    "level": "199.34",
     "capacity": 82.4,
-    "storageDiff": -0.77,
+    "storageDiff": -0.76,
     "inflow": "47.8",
     "outflow": "39.5",
     "volume": 9.15,
@@ -356,8 +356,6 @@
     "lat": 49.939,
     "lng": 14.391,
     "sparkline": [
-      199.33,
-      199.32,
       199.32,
       199.32,
       199.32,
@@ -367,7 +365,9 @@
       199.3,
       199.3,
       199.32,
-      199.33
+      199.33,
+      199.33,
+      199.34
     ],
     "type": "lake"
   },
@@ -380,7 +380,7 @@
     "capacity": 42.6,
     "storageDiff": -1.08,
     "inflow": "0.5",
-    "outflow": "0.6",
+    "outflow": "0.7",
     "volume": 2.43,
     "maxVolume": 5.7,
     "navigationForbidden": true,
@@ -449,8 +449,6 @@
     "lat": 50.063,
     "lng": 13.931,
     "sparkline": [
-      292.88,
-      292.88,
       292.88,
       0,
       292.88,
@@ -460,6 +458,8 @@
       292.88,
       292.88,
       292.88,
+      292.88,
+      292.88,
       292.88
     ],
     "type": "lake"
@@ -511,8 +511,6 @@
     "lat": 49.715,
     "lng": 13.364,
     "sparkline": [
-      313.43,
-      313.43,
       313.43,
       0,
       313.42,
@@ -522,6 +520,8 @@
       313.43,
       0,
       313.43,
+      313.42,
+      313.43,
       0
     ],
     "type": "lake"
@@ -566,15 +566,13 @@
     "capacity": 88.4,
     "storageDiff": -0.3,
     "inflow": "0.6",
-    "outflow": "0.0",
+    "outflow": "0.3",
     "volume": 1.68,
     "maxVolume": 1.9,
     "navigationForbidden": false,
     "lat": 49.507,
     "lng": 15.263,
     "sparkline": [
-      447.09,
-      447.09,
       447.09,
       447.09,
       447.09,
@@ -584,6 +582,8 @@
       447.1,
       447.1,
       447.1,
+      447.1,
+      447.1,
       447.1
     ],
     "type": "lake"
@@ -597,7 +597,7 @@
     "capacity": 100,
     "storageDiff": -1.47,
     "inflow": "0.3",
-    "outflow": "0.0",
+    "outflow": "0.5",
     "volume": 2.91,
     "maxVolume": 2.3,
     "navigationForbidden": true,
@@ -605,8 +605,8 @@
     "lng": 12.639,
     "sparkline": [
       530.64,
-      530.64,
+      530.63,
-      530.64,
+      530.63,
       530.63,
       530.63,
       530.63,
@@ -717,9 +717,9 @@
     "name": "Obecnice",
     "river": "",
     "priority": false,
-    "level": "563.65",
+    "level": "0.00",
     "capacity": 76.7,
-    "storageDiff": -0.9,
+    "storageDiff": 0,
     "inflow": "0.0",
     "outflow": "0.0",
     "volume": 0.46,
@@ -739,7 +739,7 @@
       563.65,
       563.65,
       563.65,
-      563.65
+      0
     ],
     "type": "lake"
   },
@@ -748,9 +748,9 @@
     "name": "Strž",
     "river": "",
     "priority": false,
-    "level": "588.39",
+    "level": "0.00",
     "capacity": 32,
-    "storageDiff": -0.21,
+    "storageDiff": 0,
     "inflow": "0.0",
     "outflow": "0.1",
     "volume": 0.32,
@@ -759,9 +759,6 @@
     "lat": 49.791,
     "lng": 14.004,
     "sparkline": [
-      588.38,
-      588.38,
-      588.38,
       588.38,
       0,
       588.39,
@@ -770,7 +767,10 @@
       588.39,
       588.39,
       0,
-      588.39
+      588.39,
+      588.39,
+      588.39,
+      0
     ],
     "type": "lake"
   },
@@ -852,8 +852,6 @@
     "lat": 48.784,
     "lng": 14.735,
     "sparkline": [
-      534.71,
-      534.71,
       534.72,
       0,
       534.72,
@@ -863,6 +861,8 @@
       534.72,
       0,
       534.72,
+      534.72,
+      534.72,
       0
     ],
     "type": "lake"
@@ -883,9 +883,6 @@
     "lat": 49.575,
     "lng": 15.952,
     "sparkline": [
-      580.53,
-      580.53,
-      580.53,
       0,
       0,
       580.53,
@@ -894,6 +891,9 @@
       580.53,
       580.53,
       580.53,
+      580.53,
+      580.53,
+      580.53,
       580.53
     ],
     "type": "lake"
@@ -1217,15 +1217,13 @@
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "54.7",
+    "outflow": "54.2",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 50.0294,
     "lng": 14.3986,
     "sparkline": [
-      46,
-      47,
       47,
       47,
       46,
@@ -1235,6 +1233,8 @@
       47,
       46,
       46,
+      46,
+      46,
       46
     ],
     "type": "river"
@@ -1244,18 +1244,17 @@
     "name": "České Budějovice",
     "river": "Vltava",
     "priority": false,
-    "level": "103.00",
+    "level": "106.00",
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "6.9",
+    "outflow": "6.7",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 48.9712,
     "lng": 14.4714,
     "sparkline": [
-      99,
       99,
       98,
       98,
@@ -1266,7 +1265,8 @@
       97,
       98,
       102,
-      103
+      103,
+      106
     ],
     "type": "river"
   },
@@ -1275,19 +1275,17 @@
     "name": "Beroun",
     "river": "Berounka",
     "priority": false,
-    "level": "94.00",
+    "level": "95.00",
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "7.9",
+    "outflow": "8.4",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 49.9642,
     "lng": 14.0792,
     "sparkline": [
-      100,
-      99,
       98,
       97,
       96,
@@ -1297,7 +1295,9 @@
       93,
       93,
       93,
-      94
+      94,
+      95,
+      95
     ],
     "type": "river"
   },
@@ -1310,7 +1310,7 @@
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "3.8",
+    "outflow": "3.7",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
@@ -1319,7 +1319,7 @@
     "sparkline": [
       43,
       43,
-      43,
+      42,
       42,
       42,
       42,
@@ -1337,19 +1337,17 @@
     "name": "Písek",
     "river": "Otava",
     "priority": false,
-    "level": "42.00",
+    "level": "45.00",
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "4.7",
+    "outflow": "5.1",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 49.3083,
     "lng": 14.1436,
     "sparkline": [
-      44,
-      45,
       46,
       44,
       43,
@@ -1359,7 +1357,9 @@
       44,
       43,
       43,
-      42
+      42,
+      42,
+      45
     ],
     "type": "river"
   },
@@ -1399,19 +1399,17 @@
     "name": "Bechyně",
     "river": "Lužnice",
     "priority": false,
-    "level": "82.00",
+    "level": "83.00",
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "2.7",
+    "outflow": "2.8",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 49.2931,
     "lng": 14.4758,
     "sparkline": [
-      83,
-      81,
       81,
       84,
       86,
@@ -1421,7 +1419,9 @@
       83,
       86,
       85,
-      82
+      82,
+      80,
+      83
     ],
     "type": "river"
   },
@@ -1450,7 +1450,7 @@
       50,
       50,
       50,
-      50,
+      51,
       51,
       51
     ],
@@ -1481,8 +1481,8 @@
       67,
       67,
       67,
-      67,
+      66,
-      67,
+      66,
       66
     ],
     "type": "river"
@@ -1558,15 +1558,13 @@
     "capacity": 0,
     "storageDiff": 0,
     "inflow": "0.0",
-    "outflow": "5.8",
+    "outflow": "5.7",
     "volume": 0,
     "maxVolume": 0,
     "navigationForbidden": false,
     "lat": 50.0436,
     "lng": 13.9189,
     "sparkline": [
-      150,
-      150,
       150,
       150,
       150,
@@ -1576,6 +1574,8 @@
       148,
       148,
       148,
+      147,
+      147,
       147
     ],
     "type": "river"
@@ -1596,8 +1596,6 @@
     "lat": 49.7731,
     "lng": 13.3986,
     "sparkline": [
-      96,
-      95,
       94,
       93,
       93,
@@ -1607,6 +1605,8 @@
       90,
       89,
       89,
+      89,
+      89,
       89
     ],
     "type": "river"

scripts/backfillWeather.ts

@@ -25,9 +25,10 @@ async function backfill() {
     try {
       const lat = lake.coords[0];
       const lon = lake.coords[1];
-      const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&past_days=7&hourly=temperature_2m,precipitation&timezone=GMT`;
+      // Fetch maximum past days supported by the forecast API (92 days)
+      const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&past_days=92&hourly=temperature_2m,precipitation&timezone=GMT`;
       
-      const res = await axios.get(url, { timeout: 10000 });
+      const res = await axios.get(url, { timeout: 15000 });
       const hourly = res.data.hourly;
       
       // Build lookup map for O(1) matching: '2026-06-02T04:00' -> { temp, precip }
@@ -43,9 +44,10 @@ async function backfill() {
       let updatedCount = 0;
       
       for (const record of data) {
-        // record.timestamp is like "2026-06-02T04:00:00.000Z"
+        // record.timestamp is like "2026-06-02T04:10:00.000Z"
         // Open-Meteo time is like "2026-06-02T04:00"
-        const hourKey = record.timestamp.substring(0, 16); // Extract up to minutes
+        // Convert to hourly key to match weatherMap
+        const hourKey = record.timestamp.substring(0, 13) + ':00';
         
         if (weatherMap.has(hourKey)) {
           const w = weatherMap.get(hourKey);

src/components/LakeDetail.tsx

@@ -200,15 +200,27 @@ const LakeDetail = ({ language, lakeId, windUnit = 'kmh' }: Props) => {
 
             // Outlier/sensor glitch detection
             if (level > 0) {
+              let isGlitch = false;
               if (staticConfig && staticConfig.minLevel && staticConfig.maxLevel) {
                 const minAllowed = staticConfig.minLevel - 5;
                 const maxAllowed = staticConfig.maxLevel + 5;
                 if (level < minAllowed || level > maxAllowed) {
-                  // Glitch detected, fallback to last known valid level
+                  isGlitch = true;
-                  level = lastValidLevel !== null ? lastValidLevel : (staticConfig.minLevel + staticConfig.maxLevel) / 2;
-                } else {
-                  lastValidLevel = level;
                 }
+              }
+
+              // Check rate of change: sudden spikes/drops
+              if (!isGlitch && lastValidLevel !== null) {
+                const isRiver = staticConfig?.type === 'river';
+                const maxAllowedDelta = isRiver ? 50 : 0.5; // 50 cm for rivers, 0.5 m for reservoirs
+                if (Math.abs(level - lastValidLevel) > maxAllowedDelta) {
+                  isGlitch = true;
+                }
+              }
+
+              if (isGlitch) {
+                // Glitch detected, fallback to last known valid level
+                level = lastValidLevel !== null ? lastValidLevel : (staticConfig && staticConfig.minLevel && staticConfig.maxLevel ? (staticConfig.minLevel + staticConfig.maxLevel) / 2 : level);
               } else {
                 lastValidLevel = level;
               }
@@ -394,15 +406,29 @@ const LakeDetail = ({ language, lakeId, windUnit = 'kmh' }: Props) => {
     e.preventDefault();
     const isTouchEvent = 'touches' in e;
     
+    const currentDomain = axis === 'left' 
+      ? (leftCustomDomain || getDefaultLeftDomain())
+      : (rightCustomDomain || getDefaultRightDomain());
+      
+    // Calculate the center based on the middle of the actual data values to keep the graph line centered
+    let dataCenter = (currentDomain[1] + currentDomain[0]) / 2;
+    if (axis === 'left') {
+      const levels = chartData.map(d => d.level).filter(v => v !== null && v !== undefined && !isNaN(v));
+      if (levels.length > 0) {
+        dataCenter = (Math.min(...levels) + Math.max(...levels)) / 2;
+      }
+    } else {
+      const flows = chartData.flatMap(d => [d.outflow, d.inflow]).filter(v => v !== null && v !== undefined && !isNaN(v));
+      if (flows.length > 0) {
+        dataCenter = (Math.min(...flows) + Math.max(...flows)) / 2;
+      }
+    }
+
     if (isTouchEvent && e.touches.length === 2) {
       const touch1 = e.touches[0];
       const touch2 = e.touches[1];
       const dist = Math.abs(touch1.clientY - touch2.clientY);
       
-      const currentDomain = axis === 'left' 
-        ? (leftCustomDomain || getDefaultLeftDomain())
-        : (rightCustomDomain || getDefaultRightDomain());
-        
       const onTouchMove = (moveEvent: TouchEvent) => {
         if (moveEvent.touches.length === 2) {
           moveEvent.preventDefault(); // Stop native page zooming
@@ -411,10 +437,9 @@ const LakeDetail = ({ language, lakeId, windUnit = 'kmh' }: Props) => {
           const currentDist = Math.abs(mTouch1.clientY - mTouch2.clientY);
           if (currentDist > 5) {
             const factor = dist / currentDist;
-            const center = (currentDomain[0] + currentDomain[1]) / 2;
             const range = currentDomain[1] - currentDomain[0];
-            const newMin = center - (range * factor) / 2;
+            const newMin = dataCenter - (range * factor) / 2;
-            const newMax = center + (range * factor) / 2;
+            const newMax = dataCenter + (range * factor) / 2;
             
             if (axis === 'left') {
               setLeftCustomDomain([newMin, newMax]);
@@ -436,12 +461,7 @@ const LakeDetail = ({ language, lakeId, windUnit = 'kmh' }: Props) => {
     }
 
     const startY = isTouchEvent ? e.touches[0].clientY : e.clientY;
-    const currentDomain = axis === 'left' 
-      ? (leftCustomDomain || getDefaultLeftDomain())
-      : (rightCustomDomain || getDefaultRightDomain());
-      
     const initialRange = currentDomain[1] - currentDomain[0];
-    const center = (currentDomain[1] + currentDomain[0]) / 2;
 
     const onMove = (moveEvent: MouseEvent | TouchEvent) => {
       if ('touches' in moveEvent) {
@@ -451,8 +471,8 @@ const LakeDetail = ({ language, lakeId, windUnit = 'kmh' }: Props) => {
       const deltaY = clientY - startY;
       
       const factor = Math.pow(2.5, deltaY / 150);
-      const newMin = center - (initialRange * factor) / 2;
+      const newMin = dataCenter - (initialRange * factor) / 2;
-      const newMax = center + (initialRange * factor) / 2;
+      const newMax = dataCenter + (initialRange * factor) / 2;
 
       if (axis === 'left') {
         setLeftCustomDomain([newMin, newMax]);