An R list object of POWER parameters and metadata available for querying from the POWER database.

parameters

Format

A list with 146 weather and climate parameters contained within the POWER database.

ALLSKY_SFC_LW_DWN

Downward Thermal Infrared (Longwave) Radiative Flux

ALLSKY_SFC_SW_DWN

All Sky Insolation Incident on a Horizontal Surface

ALLSKY_SFC_SW_DWN_00_GMT

All Sky Insolation Incident On A Horizontal Surface at 00 GMT

ALLSKY_SFC_SW_DWN_03_GMT

All Sky Insolation Incident On A Horizontal Surface at 03 GMT

ALLSKY_SFC_SW_DWN_06_GMT

All Sky Insolation Incident On A Horizontal Surface at 06 GMT

ALLSKY_SFC_SW_DWN_09_GMT

All Sky Insolation Incident On A Horizontal Surface at 09 GMT

ALLSKY_SFC_SW_DWN_12_GMT

All Sky Insolation Incident On A Horizontal Surface at 12 GMT

ALLSKY_SFC_SW_DWN_15_GMT

All Sky Insolation Incident On A Horizontal Surface at 15 GMT

ALLSKY_SFC_SW_DWN_18_GMT

All Sky Insolation Incident On A Horizontal Surface at 18 GMT

ALLSKY_SFC_SW_DWN_21_GMT

All Sky Insolation Incident On A Horizontal Surface at 21 GMT

ALLSKY_SFC_SW_DWN_MAX_DIFF

Maximum Monthly Difference From Monthly Averaged All Sky Insolation

ALLSKY_SFC_SW_DWN_MIN_DIFF

Minimum Monthly Difference From Monthly Averaged All Sky Insolation

ALLSKY_TOA_SW_DWN

Top-of-atmosphere Insolation

CDD0

Cooling Degree Days Above 0 C

CDD10

Cooling Degree Days Above 10 C

CDD18_3

Cooling Degree Days Above 18.3 C

CLD_AMT

Daylight Cloud Amount

CLD_AMT_00_GMT

Cloud Amount at 00 GMT

CLD_AMT_03_GMT

Cloud Amount at 03 GMT

CLD_AMT_06_GMT

Cloud Amount at 06 GMT

CLD_AMT_09_GMT

Cloud Amount at 09 GMT

CLD_AMT_12_GMT

Cloud Amount at 12 GMT

CLD_AMT_15_GMT

Cloud Amount at 15 GMT

CLD_AMT_18_GMT

Cloud Amount at 18 GMT

CLD_AMT_21_GMT

Cloud Amount at 21 GMT

CLRSKY_DIFF

Clear Sky Diffuse Radiation On A Horizontal Surface

CLRSKY_NKT

Normalized Clear Sky Insolation Clearness Index

CLRSKY_SFC_SW_DWN

Clear Sky Insolation Incident on a Horizontal Surface

DIFF

Diffuse Radiation On A Horizontal Surface

DIFF_MAX

Maximum Diffuse Radiation On A Horizontal Surface

DIFF_MIN

Minimum Diffuse Radiation On A Horizontal Surface

DNR

Direct Normal Radiation

DNR_MAX

Maximum Direct Normal Radiation

DNR_MAX_DIFF

Maximum Difference From Monthly Averaged Direct Normal Radiation

DNR_MIN

Minimum Direct Normal Radiation

DNR_MIN_DIFF

Minimum Difference From Monthly Averaged Direct Normal Radiation

EQVLNT_NO_SUN_BLACKDAYS_1

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive 1-day Period

EQVLNT_NO_SUN_BLACKDAYS_14

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive 14-day Period

EQVLNT_NO_SUN_BLACKDAYS_21

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive 21-day Period

EQVLNT_NO_SUN_BLACKDAYS_3

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive 3-day Period

EQVLNT_NO_SUN_BLACKDAYS_7

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive 7-day Period

EQVLNT_NO_SUN_BLACKDAYS_MONTH

Equivalent Number Of NO-SUN Or BLACK Days Over A Consecutive Month Period

FROST_DAYS

Frost Days

FRQ_BRKNCLD_10_70_00_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 00 GMT

FRQ_BRKNCLD_10_70_03_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 03 GMT

FRQ_BRKNCLD_10_70_06_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 06 GMT

FRQ_BRKNCLD_10_70_09_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 09 GMT

FRQ_BRKNCLD_10_70_12_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 12 GMT

FRQ_BRKNCLD_10_70_15_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 15 GMT

FRQ_BRKNCLD_10_70_18_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 18 GMT

FRQ_BRKNCLD_10_70_21_GMT

Frequency Of Broken-cloud Skies 10 - 70 percent At 21 GMT

FRQ_CLRSKY_0_10_00_GMT

Frequency Of Clear Skies < 10 percent At 00 GMT

FRQ_CLRSKY_0_10_03_GMT

Frequency Of Clear Skies < 10 percent At 03 GMT

FRQ_CLRSKY_0_10_06_GMT

Frequency Of Clear Skies < 10 percent At 06 GMT

FRQ_CLRSKY_0_10_09_GMT

Frequency Of Clear Skies < 10 percent At 09 GMT

FRQ_CLRSKY_0_10_12_GMT

Frequency Of Clear Skies < 10 percent At 12 GMT

FRQ_CLRSKY_0_10_15_GMT

Frequency Of Clear Skies < 10 percent At 15 GMT

FRQ_CLRSKY_0_10_18_GMT

Frequency Of Clear Skies < 10 percent At 18 GMT

FRQ_CLRSKY_0_10_21_GMT

Frequency Of Clear Skies < 10 percent At 21 GMT

FRQ_NROVRCST_70_00_GMT

Frequency Of Near-overcast Skies >= 70 percent At 00 GMT

FRQ_NROVRCST_70_03_GMT

Frequency Of Near-overcast Skies >= 70 percent At 03 GMT

FRQ_NROVRCST_70_06_GMT

Frequency Of Near-overcast Skies >= 70 percent At 06 GMT

FRQ_NROVRCST_70_09_GMT

Frequency Of Near-overcast Skies >= 70 percent At 09 GMT

FRQ_NROVRCST_70_12_GMT

Frequency Of Near-overcast Skies >= 70 percent At 12 GMT

FRQ_NROVRCST_70_15_GMT

Frequency Of Near-overcast Skies >= 70 percent At 15 GMT

FRQ_NROVRCST_70_18_GMT

Frequency Of Near-overcast Skies >= 70 percent At 18 GMT

FRQ_NROVRCST_70_21_GMT

Frequency Of Near-overcast Skies >= 70 percent At 21 GMT

HDD0

Heating Degree Days Below 0 C

HDD10

Heating Degree Days Below 10 C

HDD18_3

Heating Degree Days Below 18.3 C

INSOL_MIN_CONSEC_1

Minimum Available Insolation Over A Consecutive 1-day Period

INSOL_MIN_CONSEC_14

Minimum Available Insolation Over A Consecutive 14-day Period

INSOL_MIN_CONSEC_21

Minimum Available Insolation Over A Consecutive 21-day Period

INSOL_MIN_CONSEC_3

Minimum Available Insolation Over A Consecutive 3-day Period

INSOL_MIN_CONSEC_7

Minimum Available Insolation Over A Consecutive 7-day Period

INSOL_MIN_CONSEC_MONTH

Minimum Available Insolation Over A Consecutive Month Period

KT

Insolation Clearness Index

KT_CLEAR

Clear Sky Insolation Clearness Index

MIDDAY_INSOL

Midday Insolation Incident On A Horizontal Surface

NKT

Normalized Insolation Clearness Index

NO_SUN_BLACKDAYS_MAX

Maximum NO-SUN Or BLACK Days

PHIS

Surface Geopotential

PRECTOT

Precipitation

PS

Surface Pressure

PSC

Corrected Atmospheric Pressure (Adjusted For Site Elevation)

QV2M

Specific Humidity at 2 Meters

RH2M

Relative Humidity at 2 Meters

SG_DAY_COZ_ZEN_AVG

Daylight Average Of Hourly Cosine Solar Zenith Angles

SG_DAY_HOUR_AVG

Daylight Hours

SG_DEC_AVG

Declination

SG_HR_AZM_ANG_AVG

Hourly Solar Azimuth Angles

SG_HR_HRZ_ANG_AVG

Hourly Solar Angles Relative To The Horizon

SG_HR_SET_ANG

Sunset Hour Angle

SG_MAX_HRZ_ANG

Maximum Solar Angle Relative To The Horizon

SG_MID_COZ_ZEN_ANG

Cosine Solar Zenith Angle At Mid-Time Between Sunrise And Solar Noon

SG_NOON

Solar Noon

SI_EF_MAX_OPTIMAL

Maximum Solar Irradiance Optimal

SI_EF_MAX_OPTIMAL_ANG

Maximum Solar Irradiance Optimal Angle

SI_EF_MAX_TILTED_ANG_ORT

Maximum Solar Irradiance Tilted Surface Orientation

SI_EF_MAX_TILTED_SURFACE

Maximum Solar Irradiance for Equator Facing Tilted Surfaces (Set of Surfaces)

SI_EF_MIN_OPTIMAL

Minimum Solar Irradiance Optimal

SI_EF_MIN_OPTIMAL_ANG

Minimum Solar Irradiance Optimal Angle

SI_EF_MIN_TILTED_ANG_ORT

MinimumSolar Irradiance Tilted Surface Orientation

SI_EF_MIN_TILTED_SURFACE

Minimum Solar Irradiance for Equator Facing Tilted Surfaces (Set of Surfaces)

SI_EF_OPTIMAL

Solar Irradiance Optimal

SI_EF_OPTIMAL_ANG

Solar Irradiance Optimal Angle

SI_EF_TILTED_ANG_ORT

Solar Irradiance Tilted Surface Orientation

SI_EF_TILTED_SURFACE

Solar Irradiance for Equator Facing Tilted Surfaces (Set of Surfaces)

SR

Surface Roughness

SRF_ALB

Surface Albedo

T10M

Temperature at 10 Meters

T10M_MAX

Maximum Temperature at 10 Meters

T10M_MIN

Minimum Temperature at 10 Meters

T10M_RANGE

Temperature Range at 10 Meters

T2M

Temperature at 2 Meters

T2MDEW

Dew/Frost Point at 2 Meters

T2MWET

Wet Bulb Temperature at 2 Meters

T2M_MAX

Maximum Temperature at 2 Meters

T2M_MIN

Minimum Temperature at 2 Meters

T2M_RANGE

Temperature Range at 2 Meters

TM_ZONES

Climate Thermal and Moisture Zones

TQV

Total Column Precipitable Water

TS

Earth Skin Temperature

TS_AMP

Earth Skin Temperature Amplitude

TS_MAX

Maximum Earth Skin Temperature

TS_MIN

Minimum Earth Skin Temperature

TS_RANGE

Earth Skin Temperature Range

T_ZONES

Climate Thermal Zones

U10M

Eastward Wind at 10 Meters

V10M

Northward Wind at 10 Meters

WD10M

Wind Direction at 10 Meters (Meteorological Convention)

WD2M

Wind Direction at 2 Meters (Meteorological Convention)

WD50M

Wind Direction at 50 Meters (Meteorological Convention)

WS10M

Wind Speed at 10 Meters

WS10M_MAX

Maximum Wind Speed at 10 Meters

WS10M_MIN

Minimum Wind Speed at 10 Meters

WS10M_RANGE

Wind Speed Range at 10 Meters

WS2M

Wind Speed at 2 Meters

WS2M_MAX

Maximum Wind Speed at 2 Meters

WS2M_MIN

Minimum Wind Speed at 2 Meters

WS2M_RANGE

Wind Speed Range at 2 Meters

WS50M

Wind Speed at 50 Meters

WS50M_MAX

Maximum Wind Speed at 50 Meters

WS50M_MIN

Minimum Wind Speed at 50 Meters

WS50M_RANGE

Wind Speed Range at 50 Meters

WSC

Corrected Wind Speed (Adjusted For Elevation)

Source

https://power.larc.nasa.gov/RADAPP/GEODATA/powerWeb/POWER_Parameters_v109.json

References

https://power.larc.nasa.gov/docs/v1/