blink1 forecast.io warmer/cooler

index.js

var Forecast = require('forecast.io'),
	options = {
	  APIKey: process.env.FORECAST_API_KEY
	},
	forecast = new Forecast(options),
	weathercolor = require('./weathercolor.js');

forecast.get(40.681975, -74.003441, function (err, res, data) {
	if (err) throw err;
	var nowTemp = data.currently.temperature,
		todaysHigh = data.daily.data[0].temperatureMax,
		todaysLow = data.daily.data[0].temperatureMin;

	console.log(new Date())
	console.log("NOW",nowTemp)
	console.log("LOW",todaysLow)
	console.log("HIGH", todaysHigh);

	weathercolor(nowTemp)
});

package.json

{
  "name": "weatherlight",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "forecast.io": "0.0.9",
    "node-blink1": "*",
    "onecolor": "^2.4.2"
  }
}

weathercolor.js

var Blink1 = require('node-blink1'),
	blink1,
	util = require('util'),
	color = require('onecolor')

try {
	blink1 = new Blink1();
} catch(e) {

}
var ranges = [{ 
	temp : 90, 
	rgb : [207, 57, 39],
}, { 
	temp : 80, 
	rgb : [238, 126, 38],
}, { 
	temp : 70, 
	rgb : [253, 249, 41],
}, { 
	temp : 60, 
	rgb : [110, 210, 40],
}, { 
	temp : 50, 
	rgb : [90, 219, 140],
}, { 
	temp : 40, 
	rgb : [68, 184, 219],
}, { 
	temp : 30, 
	rgb : [75, 56, 156],
}, {
	temp : 20, 
	rgb : [148, 69, 188], // hsl(280, 47%, 50%}, )
}, { 
	temp : 10, 
	rgb : [213, 117, 219] // hsl(296, 59%, 66%)
}];

module.exports = function(temp) {
	var upper = ranges.reduce(function(prev, current) {
			return (current.temp < prev.temp && current.temp > temp) 
				? current 
				: prev;
		}),
		lower = ranges.reduceRight(function(prev, current) {
			return (current.temp > prev.temp && current.temp < temp) 
				? current 
				: prev;
		}),
		rgb, pct;

	if (upper.temp === lower.temp) { // weather extremes
		rgb = upper.rgb;
	} else {
		pct = (temp - lower.temp)/(upper.temp-lower.temp);
		rgb = [];
		for (var i = 0; i < 3; i++) {
			rgb[i] = ((upper.rgb[i] - lower.rgb[i]) * pct) + lower.rgb[i];
		};
	}
	if (blink1) blink1.fadeToRGB(100, rgb[0], rgb[1], rgb[2])
}