Package 'weatherStats'

C to F temperature conversion

Description

Celsius to Fahrenheit temperature coversion

Usage

c2f(x)

Arguments

x	temperature in Celsius

Value

temperature in Fahrenheit

Author(s)

Peter Hoff

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F to C temperature conversion

Description

Fahrenheit to Celsius temperature coversion

Usage

f2c(y)

Arguments

y	temperature in Fahrenheit

Value

temperature in Celsius

Author(s)

Peter Hoff

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Month-specific date extraction

Description

Extract indices of a particular month from ISO 8601 format

Usage

isMonth(dates, month)

Arguments

dates	a vector of character dates in IS( 8601 format
month	an integer from 1 to 12

Value

a vector of matching indices

Author(s)

Peter Hoff

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RDU weather dataset

Description

Two years of weather data at RDU.

Usage

RDU

Format

A data frame with dates along the rows, variables along the columns.

Source

Derived from original data at https://example.org

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SEA weather dataset

Description

One year of weather data at SEA.

Usage

SEA

Format

A data frame with dates along the rows, variables along the columns.

Source

Downloaded via the NCEI API <https://www.ncei.noaa.gov/support/access-search-service-api-user-documentation>.

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Temperature and precipitation data

Description

Extract and combine temperature and precipitation data

Usage

tpdata(...)

Arguments

...	either a list or sequence of data matrices obtained from 'weatherStats'

Value

a data frame

Author(s)

Peter Hoff

Examples

W<-tpdata(RDU,SEA) 
 
colnames(W) 
dim(W) 

tpplot(W)

---

Temperature and precipitation plot

Description

Plot temperature and precipitation data

Usage

tpplot(TPDATA, units = "F", rc = "col")

Arguments

TPDATA	A data frame with temperature and precipitation data
units	"F" or "C"
rc	make multiple plots along columns ("col") or rows ("row")

Value

Invisibly returns NULL.

Author(s)

Peter Hoff

Examples

W<-tpdata(RDU,SEA) 
 
colnames(W) 
dim(W) 

tpplot(W)

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Weather Station Statistics

Description

Download weather data from the National Centers for Environmental Information (NCEI) using their API.

Usage

weatherStats(
  FAAID,
  year = NULL,
  startDate = NULL,
  endDate = NULL,
  trimNA = TRUE,
  maxTries = 5,
  tpause = 3,
  verbose = TRUE
)

Arguments

FAAID	Federal Aviation Administration (FAA) station ID
year	year for which data are to be downloaded
startDate	start date in YY-MM-DD format
endDate	end date in YY-MM-DD format
trimNA	remove days with no data
maxTries	maximum number of query attempts to the NCEI server
tpause	time in seconds to pause between API requests
verbose	a logical value indicating whether to report download progress

Value

a data frame with daily weather data

Author(s)

Peter Hoff

Examples

RDU<-weatherStats("RDU",startDate="2024-01-01",endDate="2025-12-31") 
SEA<-weatherStats("SEA",year=2025)   

 
dim(RDU) 
dim(SEA) 
colnames(SEA)

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