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Data source: Environmental Protection Agency
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Air pollution in Watertown, Wisconsin correlates with...

VariableCorrelationYearsSys. Score
Google searches for 'how to trap a spider'r=0.996yrs352
Number of times 11 was a winning Mega Millions numberr=0.8510yrs282
Popularity of the 'the dress black blue white gold' memer=0.897yrs269
Jet fuel used in North Macedoniar=0.7721yrs186
Gasoline pumped in Cote d'Ivoirer=0.6928yrs181
Jet fuel used in Sierra Leoner=0.6928yrs181
Number of edits to the Wikipedia article for Taylor Swiftr=0.847yrs174
Bristol-Myers Squibb's stock price (BMY)r=0.8411yrs173
The Home Depot's stock price (HD)r=0.8111yrs168
Johnson Controls International's stock price (JCI)r=0.7911yrs166
Number of times 5 was a winning Mega Millions numberr=0.7511yrs162
Popularity of the first name Roxannar=0.6728yrs158
The marriage rate in Wisconsinr=0.6814yrs152
The divorce rate in Wisconsinr=0.6714yrs152
Customer satisfaction with Kohl'sr=0.6811yrs150
Lionel Messi's goal count for Argentinar=0.847yrs149
Annual US household spending on used carsr=0.8213yrs147
xkcd comics published about languager=0.86yrs138
Hot days in Milwaukeer=0.6917yrs138
Popularity of the first name Spenserr=0.6628yrs136
xkcd comics published about existentialismr=0.776yrs134
Micron Technology's stock price (MU)r=0.7711yrs132
Google searches for 'how to treat a snake bite'r=0.79yrs132
Popularity of the first name Bryantr=0.6328yrs132
The number of tire repairers and changers in Wisconsinr=0.710yrs131
Total annual sales of Ford Motors in the United Statesr=0.6914yrs130
Customer satisfaction with GE Appliancesr=0.4819yrs128
US household spending on used carsr=0.7813yrs126
Physical album shipment volume in the United Statesr=0.6214yrs123
Remaining Forest Cover in the Brazilian Amazonr=0.526yrs123
Google searches for 'no siri'r=0.736yrs123
Visitors to SeaWorld Californiar=0.576yrs122
Carjackings in the USr=0.5418yrs122
Number of edits to the Wikipedia article for Justin Trudeaur=0.559yrs122
xkcd comics published about hobbiesr=0.696yrs121
xkcd comics published about wonderr=0.696yrs121
US Tobacco Productionr=0.6113yrs120
Popularity of the 'McKayla Maroney' memer=0.657yrs118
US household spending on clothing for menr=0.7313yrs118
Texas Rangers' American League West Division finish positionr=0.4828yrs116
Annual US household spending on booksr=0.7113yrs116
Popularity of the 'willy wonka' memer=0.647yrs116
Rain in Sydneyr=0.5318yrs115
Academy Awards Ceremony Audience Sizer=0.5713yrs114
US household spending on booksr=0.713yrs114
US household spending on processed fruitsr=0.6913yrs112
US household spending on transportationr=0.6913yrs112
Per capita consumption of margariner=0.7310yrs112
Average number of comments on SmarterEveryDay YouTube videosr=0.486yrs110
The number of broadcast technicians in Wisconsinr=0.6210yrs109
The number of counter and rental clerks in Wisconsinr=0.6210yrs109
Comcast's stock price (CMCSA)r=0.6711yrs108
Popularity of the first name Nadiner=0.6328yrs102
Hydopower energy generated in Puerto Ricor=0.5728yrs101
Verizon Communications' stock price (VZ)r=0.6411yrs93
Biomass power generated in Panamar=0.5628yrs90
Google searches for 'Tom Scott'r=0.716yrs90
Popularity of the first name Roxanner=0.6128yrs89
Popularity of the 'roll safe' memer=0.637yrs85
Automatic Data Processing's stock price (ADP)r=0.6311yrs82
Jet fuel used in Equatorial Guinear=-0.8813yrs80
Popularity of the first name Jerricar=0.628yrs78
Google searches for 'where can i stream friends'r=0.688yrs78
Popularity of the 'chuck norris' memer=0.637yrs75
Arthur J. Gallagher & Co.'s stock price (AJG)r=0.6311yrs72
Kerosene used in Germanyr=0.6222yrs70
Popularity of the first name Justinr=0.5928yrs66
Google searches for 'Numberphile'r=0.676yrs64
Popularity of the 'aint nobody got time for that' memer=0.627yrs64
Gasoline pumped in Saint Pierre and Miquelonr=-0.8813yrs60
Popularity of the 'bad luck brian' memer=0.627yrs54
Google searches for 'luke skywalker'r=0.639yrs51
Xcel Energy's stock price (XEL)r=0.611yrs47
Petroluem consumption in Cote d'Ivoirer=0.5628yrs47
Popularity of the 'dumb ways to die' memer=0.627yrs44
Popularity of the first name Tiffanyr=0.5728yrs38
Kerosene used in Romaniar=0.5628yrs37
Duke Energy's stock price (DUK)r=0.5911yrs36
Popularity of the 'overly attached girlfriend' memer=0.627yrs34
Popularity of the first name Kendrar=0.5728yrs28
Electricity generation in Liberiar=0.5428yrs26
Popularity of the 'one does not simply' memer=0.617yrs22
Pfizer's stock price (PFE)r=0.5711yrs22
Jet fuel used in Chadr=0.5528yrs15
VeriSign's stock price (VRSN)r=0.5511yrs10
Kerosene used in Perur=0.5528yrs5
Extra Space Storage's stock price (EXR)r=0.558yrs-4
Gasoline pumped in Bulgariar=0.5428yrs-6
Cadence Design Systems' stock price (CDNS)r=0.5311yrs-15
Jet fuel used in Haitir=0.5428yrs-16
General Electric's stock price (GE)r=0.4911yrs-26
Kerosene used in Nicaraguar=0.5428yrs-26
Gasoline pumped in Saint Helenar=0.6413yrs-36
Marsh & McLennan Companies' stock price (MMC)r=0.511yrs-38
ST Microelectronics' stock price (STM)r=0.511yrs-48
Petroluem consumption in Bulgariar=0.5328yrs-48
Jet fuel used in Saint Vincent/Grenadinesr=0.6115yrs-59
American Electric Power Company's stock price (AEP)r=0.4911yrs-60
Jet fuel used in Gabonr=0.5228yrs-70
Biogen's stock price (BIIB)r=0.4811yrs-71
GSK plc's stock price (GSK)r=0.4711yrs-82


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You caught me! While it would be intuitive to sort only by "correlation," I have a big, weird database. If I sort only by correlation, often all the top results are from some one or two very large datasets (like the weather or labor statistics), and it overwhelms the page.

I can't show you *all* the correlations, because my database would get too large and this page would take a very long time to load. Instead I opt to show you a subset, and I sort them by a magic system score. It starts with the correlation, but penalizes variables that repeat from the same dataset. (It also gives a bonus to variables I happen to find interesting.)
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