Below is the new configuration. 
(Significant changes, I recommend resetting or using this config.)
 
 
 
 
  Code (Text):
 
 
 
  {
  
   "tickRate": 40,
  
   "removeOldDataAfterSpecifiedHours": 12,
  
   "numberLeaderboardRowsPerPage": 1,
  
   "showOnlyVisiblePlayersOnLeaderboard": true,
  
   "pageableInventoryNextPageTitle": "&aNext Page &7-->",
  
   "pageableInventoryBackPageTitle": "&7<-- &cBack Page",
  
   "inventoryFillerTitle": "&8[]",
  
   "commandNotExecutableByConsole": "&cThis command cannot be executed by the console.",
  
   "noPingDataAvailable": "&cNo ping data available for {player}.",
  
   "invalidTimeInterval": "&cInvalid time interval specified.",
  
   "timeIntervalMissing": "&cTime interval is missing.",
  
   "invalidArgument": "&cInvalid argument: {arg}.",
  
   "pingInfo": "&6{player}'s Ping: {ping}ms &6[&eAvg: {avgPing}ms&e, σ: {deviation}ms &f({descriptor}&f)&6]",
  
   "usagePlayer": "Specifies the player whose ping to check. If not specified, checks the sender's ping.",
  
   "usageTimeInterval": "Time range for historical data in seconds (e.g., -t:300 or -t:0 for historical data)",
  
   "commandOnlyByPlayer": "&cThis command can only be used by players.",
  
   "noPermission": "&cYou don't have permission to execute this command.",
  
   "playerLatencyLeaderboardTitle": "&ePlayer Latency Leaderboard",
  
   "displayNameFormat": "{gradient}#{position} &8- &6{playerName}",
  
   "pingInfoFormat": "&7Current Ping: &c{currentPing}ms &8({coloredPercentage}% &7{underOverStatus} avg&8)",
  
   "peakInfoFormat": "&7Peak Latency: &c{peakPing}ms &f(last hour)",
  
   "avgHistoricalPingFormat": "&7Avg. Ping: {avgPing}ms &7(&e5m: {average5Minutes}ms, &e15m: {average15Minutes}ms, &e30m: {average30Minutes}ms&7)",
  
   "fluctuationDeviationInfoFormat": "&7Fluctuation: &b{fluctuation}ms &8| &7Deviation: &6{deviation}ms &f(per minute)"
  
 }