Public
Edited
Oct 27, 2022
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
data_daily_avg_bryan = d3.json('https://waterservices.usgs.gov/nwis/dv/?format=json&sites=08108700&startDT='+date_for_filter_start+'&endDT='+date_today_YYYYMMDD_string+'&siteStatus=all')
Insert cell
gage_height_daily_array_bryan = getGageHeightFromDailyAverageResults(data_daily_avg_bryan,"Gage height, ft")
Insert cell
gage_height_daily_array_bryan
Insert cell
Insert cell
Insert cell
data_daily_avg_hempstead = d3.json('https://waterservices.usgs.gov/nwis/dv/?format=json&sites=08111500&startDT='+date_for_filter_start+'&endDT='+date_today_YYYYMMDD_string+'&siteStatus=all')
Insert cell
gage_height_daily_array_hempstead = getGageHeightFromDailyAverageResults(data_daily_avg_hempstead,"Gage height, ft")
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
average_streamflow_washington = data_daily_avg_washington.value.timeSeries[0].values[0].value
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
function applyAaronSmithsEquationToEachDayInArray(bryanAvgHt,hempsteadAvgHt){
var hidalgoArray = []
for (let i = 0; i < bryanAvgHt.length; i++) {
var b = parseFloat(bryanAvgHt[i].value)
var h = parseFloat(hempsteadAvgHt[i].value)
var hidalgoOneDayValue = 0.55 * (h - b) + b
bryanAvgHt[i].value = hidalgoOneDayValue
hidalgoArray.push(bryanAvgHt[i])
}
return hidalgoArray
}
Insert cell
calculated_hidalgo_gage_height_daily_array = applyAaronSmithsEquationToEachDayInArray(gage_height_daily_array_bryan,gage_height_daily_array_hempstead)
Insert cell
Insert cell
Insert cell
Insert cell
function getGageHeightFromDailyAverageResults(raw_json_returned_daily_avgs,variableName){
var variableName = "Gage height, ft"
var data = raw_json_returned_daily_avgs.value.timeSeries
if(data.length >= 3){
if(data[3].sourceInfo.siteName == "Brazos Rv at SH 21 nr Bryan, TX"){
return data[3].values[0].value
}
}
for (var i = 0; i < data.length; i++){
if(
data[i].variable.variableName == "Gage height, ft"){
return data[i].values[0].value
}
}
}
Insert cell
Insert cell
function calculatePercentDaysAboveMinLimit(stream_data_array_of_objects,key_name,max_value){
return stream_data_array_of_objects.filter(good_days => (good_days[key_name] < max_value));
}
Insert cell
function percent_good_days_above_min_level(stream_data_array_of_objects,key_name,max_value){
var good_days = calculatePercentDaysAboveMinLimit(stream_data_array_of_objects,key_name,max_value)
var percent_good_days = good_days.length / stream_data_array_of_objects.length
return percent_good_days
}
Insert cell
percentDaysAboveMinValue = percent_good_days_above_min_level(calculated_hidalgo_gage_height_daily_array,"value",minimal_height_for_playboating)
Insert cell
Insert cell
function calculatePercentDaysBelowSelectedMaxLimit(stream_data_array_of_objects,key_name,max_value){
return stream_data_array_of_objects.filter(good_days => (good_days[key_name] < max_value));
}
Insert cell
function percent_days_below_features_washout_user_selected(stream_data_array_of_objects,key_name,max_value){
var good_days = calculatePercentDaysBelowSelectedMaxLimit(stream_data_array_of_objects,key_name,max_value)
var percent_good_days = good_days.length / stream_data_array_of_objects.length
return percent_good_days
}
Insert cell
percentDaysBelowSelectedWashOutValue = percent_good_days_above_min_level(calculated_hidalgo_gage_height_daily_array,"value",most_features_wash_out)
Insert cell
most_features_wash_out
Insert cell
Insert cell
function calculatePercentDaysWithinUserSelectedRange(stream_data_array_of_objects,key_name,min_value,max_value){
var stream_temp = stream_data_array_of_objects.filter(good_days => (good_days[key_name] < max_value))
return stream_temp.filter(good_days => (good_days[key_name] > min_value));
}
Insert cell
function percent_days_withinUserSelectedRange(stream_data_array_of_objects,key_name,min_value,max_value){
var good_days = calculatePercentDaysWithinUserSelectedRange(stream_data_array_of_objects,key_name,min_value, max_value)
var percent_good_days = good_days.length / stream_data_array_of_objects.length
return percent_good_days
}
Insert cell
percentDaysWithinUserSelectedRange = percent_days_withinUserSelectedRange(calculated_hidalgo_gage_height_daily_array,"value",minimal_height_for_playboating,most_features_wash_out)
Insert cell
Insert cell
minimal_height_for_playboating
Insert cell
most_features_wash_out
Insert cell
data_daily_avg_bryan.value.timeSeries[3].values[0].value[4]
Insert cell
data_daily_avg_bryan.value.timeSeries[3].values[0].value[0].value.includes("NaN")
Insert cell
data_daily_avg_bryan.value.timeSeries
Insert cell
data_daily_avg_bryan.value.timeSeries[4].values[0].value
Insert cell
data_daily_avg_bryan.value.timeSeries[5].sourceInfo.siteName
Insert cell
gage_height_daily_array_hempstead[0]
Insert cell
Insert cell
vegalite = require("@observablehq/vega-lite@0.1")
Insert cell
import {date} from "@jashkenas/inputs"
Insert cell
d3 = require("d3@5")
Insert cell
import { toc } from "@nebrius/indented-toc" // This component generates the Table of Contents
Insert cell
import {slider} from "@jashkenas/inputs"
Insert cell

One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
Learn more