{
 "Chicago": {
  "summer_daylight_share_pct": {
   "20": 81.3,
   "25": 36.7,
   "28": 15.4
  },
  "days_per_year_reaching": {
   "20": 139,
   "25": 78,
   "28": 42
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 42.4,
  "coolest_hour_mean_c": [
   6,
   19.1
  ],
  "hottest_hour_mean_c": [
   15,
   25.6
  ]
 },
 "Denver": {
  "summer_daylight_share_pct": {
   "20": 77.8,
   "25": 56.0,
   "28": 38.6
  },
  "days_per_year_reaching": {
   "20": 170,
   "25": 122,
   "28": 89
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 3.7,
  "coolest_hour_mean_c": [
   6,
   14.8
  ],
  "hottest_hour_mean_c": [
   15,
   29.6
  ]
 },
 "London": {
  "summer_daylight_share_pct": {
   "20": 40.0,
   "25": 9.0,
   "28": 3.3
  },
  "days_per_year_reaching": {
   "20": 93,
   "25": 21,
   "28": 8
  },
  "coolest_summer_daylight_hour": 4,
  "share_at_coolest_hour_pct": 0.5,
  "coolest_hour_mean_c": [
   4,
   12.9
  ],
  "hottest_hour_mean_c": [
   15,
   21.8
  ]
 },
 "Los Angeles": {
  "summer_daylight_share_pct": {
   "20": 80.4,
   "25": 54.0,
   "28": 33.4
  },
  "days_per_year_reaching": {
   "20": 282,
   "25": 188,
   "28": 126
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 6.0,
  "coolest_hour_mean_c": [
   6,
   16.8
  ],
  "hottest_hour_mean_c": [
   14,
   30.2
  ]
 },
 "Miami": {
  "summer_daylight_share_pct": {
   "20": 100.0,
   "25": 97.0,
   "28": 67.3
  },
  "days_per_year_reaching": {
   "20": 359,
   "25": 311,
   "28": 189
  },
  "coolest_summer_daylight_hour": 7,
  "share_at_coolest_hour_pct": 100.0,
  "coolest_hour_mean_c": [
   7,
   26.0
  ],
  "hottest_hour_mean_c": [
   13,
   30.0
  ]
 },
 "New York": {
  "summer_daylight_share_pct": {
   "20": 88.4,
   "25": 52.4,
   "28": 24.9
  },
  "days_per_year_reaching": {
   "20": 158,
   "25": 102,
   "28": 60
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 50.5,
  "coolest_hour_mean_c": [
   6,
   19.6
  ],
  "hottest_hour_mean_c": [
   15,
   27.5
  ]
 },
 "Phoenix": {
  "summer_daylight_share_pct": {
   "20": 100.0,
   "25": 97.8,
   "28": 91.8
  },
  "days_per_year_reaching": {
   "20": 306,
   "25": 246,
   "28": 215
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 99.3,
  "coolest_hour_mean_c": [
   6,
   28.1
  ],
  "hottest_hour_mean_c": [
   16,
   40.2
  ]
 },
 "Seattle": {
  "summer_daylight_share_pct": {
   "20": 45.0,
   "25": 12.9,
   "28": 3.6
  },
  "days_per_year_reaching": {
   "20": 102,
   "25": 37,
   "28": 12
  },
  "coolest_summer_daylight_hour": 6,
  "share_at_coolest_hour_pct": 0.3,
  "coolest_hour_mean_c": [
   6,
   14.0
  ],
  "hottest_hour_mean_c": [
   16,
   23.1
  ]
 }
}