ESDIS Weekly Metrics: June 10, 2024

Note:
1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 1.798 times the volume added to the archive per day.

LANCE Data Latency

Note:
Higher product latencies for:

• VIIRS-SNPP-Land on May 21-22, 2024, due to the late arrival of L0 files
• OMI-Aura on June 7-8, 2024, due to a faulty network switch that was causing problems with processing
• OMPS-SNPP on June 7-8, 2024, due to a faulty network switch that was causing problems with processing

Note:
1. Latency for a data granule is defined as the time taken from the midpoint between the start and end of acquisition of the data for that granule to the granule’s being ready on-line for users to download.  
2. Duration covered by the data for a granule is defined differently for different instruments (e.g., MODIS granules are 5 minutes long while OMI NRT granules are 13 to 136 minutes long).
3. Over the last four weeks, over 95% of NRT data requests for all instruments except for five instruments (MODIS-AQUA, OMI-AURA, OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, and VIIRS-SNPP-Land) were satisfied within 3 hours. For MODIS-AQUA, OMI-AURA, OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, and VIIRS-SNPP-Land, over 93%, 93%, 92% 80%, and 73% of the NRT data requests were satisfied within 3 hours, respectively.

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