Top variables that correlate with Hot days in Louisville

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Data source: NOAA National Climate Data Center
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Hot days in Louisville correlates with...

Variable	Correlation	Years	Sys. Score
The average number of likes on Deep Look YouTube videos	r=0.91	10yrs	318
Total comments on Deep Look YouTube videos	r=0.89	10yrs	286
Total likes of Deep Look YouTube videos	r=0.87	10yrs	282
Air pollution in Central City, Kentucky	r=0.9	6yrs	265
Average number of comments on Deep Look YouTube videos	r=0.87	10yrs	238
Average views of Deep Look YouTube videos	r=0.86	10yrs	226
Total views on Deep Look YouTube videos	r=0.86	10yrs	216
How clickbait-y OverSimplified YouTube video titles are	r=0.85	7yrs	202
Google searches for 'Brexit'	r=0.83	8yrs	150
The number of movies Lupita Nyong'o appeared in	r=0.74	13yrs	148
Michael Schumacher's Formula One Ranking	r=0.65	17yrs	128
Automotive recalls issued by Keystone RV Company	r=0.57	22yrs	128
The number of movies Leonardo DiCaprio appeared in	r=0.49	31yrs	128
Itaú Unibanco Holding's stock price (ITUB)	r=0.6	21yrs	127
The number of movies Chris Evans appeared in	r=0.55	21yrs	127
Google searches for 'inception'	r=0.62	15yrs	126
US average dairy skim-solid content of bulk evaporated and condensed milk	r=0.54	22yrs	116
The number of first-line retail sales supervisors in Kentucky	r=0.58	13yrs	116
xkcd comics published about star wars	r=0.52	16yrs	116
Air pollution in Bowling Green, Kentucky	r=0.52	18yrs	115
Hydopower energy generated in Belize	r=0.46	27yrs	114
Wind power generated in New Caledonia	r=0.47	26yrs	114
Wind power generated in Panama	r=0.65	9yrs	114
Number of Grand Slam Finals Played by Rafael Nadal	r=0.54	15yrs	112
Banco Santander (Brasil)'s stock price (Brasil)	r=0.55	14yrs	112
The number of chiropractors in Kentucky	r=0.49	20yrs	111
Customer satisfaction with NYTimes.com	r=0.49	20yrs	111
Number of times 16 was a winning Mega Millions number	r=0.49	18yrs	110
The number of dietitians and nutritionists in Kentucky	r=0.48	20yrs	108
US average milk-fat content of canned milk evaporated and condensed milk	r=0.48	22yrs	107
US dairy skim solids used to produce evaporated and condensed milk	r=0.46	22yrs	106
Patents granted to Amazon	r=0.58	9yrs	102
Air pollution in Mayfield, Kentucky	r=0.55	8yrs	100
Popularity of the 'surprised pikachu' meme	r=0.49	11yrs	98
The number of movies Emily Blunt appeared in	r=0.55	18yrs	94
Customer satisfaction with Macy's	r=0.47	16yrs	94
Google searches for 'black hole photo'	r=0.47	15yrs	93
Organic Food Sales Volume in the United States	r=0.5	13yrs	91
Votes for the Libertarian Presidential candidate in Kentucky	r=0.46	11yrs	89
Yearly peak of NYSE composite index	r=0.5	10yrs	88
Bachelor's degrees awarded in Precision production	r=0.46	10yrs	88
Customer satisfaction with FOXNews.com	r=0.46	12yrs	88
Jet fuel used in Latvia	r=0.46	31yrs	84
Total sales of commercial vehicles in China	r=0.49	7yrs	84
US Barley Production Volume	r=-0.63	23yrs	82
The number of hotel desk clerks in Kentucky	r=0.48	20yrs	78
US household spending on poultry	r=-0.58	23yrs	77
The number of movies Spencer Tracy appeared in	r=0.51	16yrs	76
US household spending on meats, poultry, fish, and eggs	r=-0.56	23yrs	75
US household spending on pork	r=-0.56	23yrs	75
Average views of Simone Giertz's YouTube videos	r=0.73	10yrs	72
Number of turnovers by Chris Paul in the Regular NBA season	r=-0.59	17yrs	72
US household spending on fish and seafood	r=-0.53	23yrs	72
Kerosene used in Germany, East	r=0.67	6yrs	71
US household spending on beef	r=-0.51	23yrs	70
Popularity of the 'balloon boy' meme	r=-0.51	15yrs	70
China's Unemployment Rate	r=-0.52	19yrs	67
The number of medical equipment repairers in Kentucky	r=0.47	20yrs	66
The number of movies Bryce Dallas Howard appeared in	r=0.5	16yrs	64
How good Casually Explained YouTube video titles are	r=0.74	8yrs	61
Jet fuel used in Cabo Verde	r=0.46	22yrs	56
The number of executive administrative assistants in Kentucky	r=0.52	13yrs	47
Average number of comments on Simone Giertz's YouTube videos	r=0.69	10yrs	46
Jet fuel used in Dominica	r=0.46	22yrs	46
US average dairy skim-solid content of bulk evaporated and condensed milk	r=-0.54	22yrs	39
Google searches for 'minecraft'	r=-0.56	14yrs	38
The number of printing press operators in Kentucky	r=0.52	13yrs	37
Jet fuel used in Lesotho	r=0.46	22yrs	36
How nerdy minutephysics YouTube video titles are	r=0.62	13yrs	28
The number of career/technical education teachers, secondary school in Kentucky	r=0.51	13yrs	26
US average dairy skim-solid content of cheese (other than cottage cheese)	r=-0.51	22yrs	26
Google searches for 'fbi hotline'	r=-0.46	20yrs	26
How nerdy Deep Look YouTube video titles are	r=0.64	10yrs	18
Solar power generated in Kuwait	r=0.52	9yrs	14
Disney movies released	r=-0.45	23yrs	12
Total likes of Simone Giertz's YouTube videos	r=0.63	10yrs	6
Solar power generated in Mauritania	r=0.52	9yrs	4
How geeky minutephysics YouTube video titles are	r=0.6	13yrs	-5
Wind power generated in Slovenia	r=0.51	9yrs	-7
The number of survey researchers in Kentucky	r=-0.56	20yrs	-8
Average length of CGP Grey YouTube videos	r=0.59	13yrs	-16
Solar power generated in Central African Republic	r=-0.85	8yrs	-20
The number of conveyor operators in Kentucky	r=-0.54	20yrs	-20
Total length of minutephysics YouTube videos	r=0.57	13yrs	-30
The number of secretaries in Kentucky	r=-0.57	13yrs	-32
Solar power generated in Azerbaijan	r=0.47	9yrs	-33
How clickbait-y Tom Scott's YouTube video titles are	r=0.54	15yrs	-42
Biomass power generated in Moldova	r=0.47	9yrs	-43
The number of sheet metal workers in Kentucky	r=-0.5	20yrs	-44
Average views of 3Blue1Brown YouTube videos	r=0.65	9yrs	-52
Wind power generated in Bangladesh	r=0.46	9yrs	-54
The number of advertising and promotions managers in Kentucky	r=-0.5	19yrs	-55
How provocative Steve Mould's YouTube video titles are	r=0.54	14yrs	-63
Solar power generated in Iraq	r=0.46	9yrs	-64
The number of cabinetmakers in Kentucky	r=-0.46	20yrs	-68
How nerdy SmarterEveryDay YouTube video titles are	r=0.51	17yrs	-74
The number of couriers and messengers in Kentucky	r=-0.45	20yrs	-79
Biomass power generated in Burundi	r=-0.65	12yrs	-86
Wind power generated in British Virgin Islands	r=-0.62	12yrs	-98
Wind power generated in Madagascar	r=-0.62	12yrs	-108
Wind power generated in Puerto Rico	r=-0.6	12yrs	-120

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^{What is Sys. Score?} 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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