File: //lib/python3/dist-packages/awscli/examples/iotsitewise/get-asset-property-value-history.rst
**To retrieve an asset property's historical values**
The following ``get-asset-property-value-history`` example retrieves a wind turbine asset's total power values for a 20 minute period in time. ::
aws iotsitewise get-asset-property-value-history \
--asset-id a1b2c3d4-5678-90ab-cdef-33333EXAMPLE \
--property-id a1b2c3d4-5678-90ab-cdef-66666EXAMPLE \
--start-date 1580851800 \
--end-date 1580853000
Output::
{
"assetPropertyValueHistory": [
{
"value": {
"doubleValue": 7217.787046814844
},
"timestamp": {
"timeInSeconds": 1580852100,
"offsetInNanos": 0
},
"quality": "GOOD"
},
{
"value": {
"doubleValue": 6941.242811875451
},
"timestamp": {
"timeInSeconds": 1580852400,
"offsetInNanos": 0
},
"quality": "GOOD"
},
{
"value": {
"doubleValue": 6976.797662266717
},
"timestamp": {
"timeInSeconds": 1580852700,
"offsetInNanos": 0
},
"quality": "GOOD"
},
{
"value": {
"doubleValue": 6890.8677520453875
},
"timestamp": {
"timeInSeconds": 1580853000,
"offsetInNanos": 0
},
"quality": "GOOD"
}
]
}
For more information, see `Querying historical asset property values <https://docs.aws.amazon.com/iot-sitewise/latest/userguide/query-industrial-data.html#historical-values>`__ in the *AWS IoT SiteWise User Guide*.