Copy of internal dataRetrieval create_dateTime function 3/7/2025 https://github.com/DOI-USGS/dataRetrieval/blob/main/R/importWQP.R#L223 offsetLibrary is a dataframe saved in sysdata.rda You can see where and how it gets called here: https://github.com/DOI-USGS/dataRetrieval/blob/main/R/importWQP.R#L160
Examples
if (FALSE) { # \dontrun{
# Find web service URLs for each Profile using WQP User Interface (https://www.waterqualitydata.us/)
# Example WQP URL: https://www.waterqualitydata.us/#statecode=US%3A09&characteristicType=Nutrient&startDateLo=04-01-2023&startDateHi=11-01-2023&mimeType=csv&providers=NWIS&providers=STEWARDS&providers=STORET
# Use TADA_ReadWQPWebServices to load the Station, Project, and Phys-Chem Result profiles
stationProfile <- TADA_ReadWQPWebServices("https://www.waterqualitydata.us/data/Station/search?statecode=US%3A09&characteristicType=Nutrient&startDateLo=04-01-2023&startDateHi=11-01-2023&mimeType=csv&zip=yes&providers=NWIS&providers=STEWARDS&providers=STORET")
physchemProfile <- TADA_ReadWQPWebServices("https://www.waterqualitydata.us/data/Result/search?statecode=US%3A09&characteristicType=Nutrient&startDateLo=04-01-2023&startDateHi=11-01-2023&mimeType=csv&zip=yes&dataProfile=resultPhysChem&providers=NWIS&providers=STEWARDS&providers=STORET")
projectProfile <- TADA_ReadWQPWebServices("https://www.waterqualitydata.us/data/Project/search?statecode=US%3A09&characteristicType=Nutrient&startDateLo=04-01-2023&startDateHi=11-01-2023&mimeType=csv&zip=yes&providers=NWIS&providers=STEWARDS&providers=STORET")
# Join all three profiles using TADA_JoinWQPProfiles
TADAProfile <- TADA_JoinWQPProfiles(
FullPhysChem = physchemProfile, Sites = stationProfile,
Projects = projectProfile
)
# Run TADA_CheckRequiredFields, returns error message,
# 'The dataframe does not contain the required fields: ActivityStartDateTime'
TADA_CheckRequiredFields(TADAProfile)
# Add missing col
TADAProfile1 <- TADA_CreateDateTime(
.data = TADAProfile,
date_col = "ActivityStartDate",
time_col = "ActivityStartTime.Time",
tz_col = "ActivityStartTime.TimeZoneCode",
tz = "UTC"
)
# Re-run TADA_CheckRequiredFields, no longer returns error message
TADA_CheckRequiredFields(TADAProfile1)
} # }