Weather variables obtained from NASA's Prediction of Worldwide Energy Resource (https://power.larc.nasa.gov/) for the 591 environments in the historical series analyzed by Krause et al. (2022).
weatherA data frame in messy format with 504 observations on the following 5 variables:
locationlocations, 63 levels (observed locations in the historical series)
LONlongitude
LATlatitude
DOYday of the year
YYYYMMDDcalendar date in the format YYYY/MM/DD
daysFromStartdays from average planting date
T2Mdaily average temperature at 2 meters
T2M_MAXdaily maximum temperature at 2 meters
T2M_MINdaily minimum average temperature at 2 meters
PRECTOTrainfall precipitation
WS2Mwind speed at 2 meters
RH2Mrelative humidity at 2 meters
T2MDEWdew point at 2 meters
ALLSKY_SFC_LW_DWNdownward thermal infrared (longwave) radiative flux
ALLSKY_SFC_SW_DWNinsolation incident on a horizontal surface
nduration of sunshine in hours
VPDthe deficit of vapor pressure
SPVthe slope of saturation vapor pressure curve
ETPevapotranspiration
PETPdeficit of evapotranspiration
GDDgrowing degree-days
FRUEeffect of temperature on radiation use efficiency
T2M_RANGEdaily temperature range at 2 meters
PTTphotothermal time (GDD \(\times\) daylight in hours)
PTRphotothermal ratio (GDD / daylight in hours)