ESDIS Weekly Metrics: June 15, 2026

Notes:

1. The volume distributed to end users per day, as a running average over the past four weeks, is 4.320 times the volume added to the archive per day.
2. The spike in distribution was caused by the download of the product SENTINEL-1A_SLC from ASFCLOUD.

Note that higher product latencies for:

• VIIRS-SNPP-Atmosphere on June 1, 2026, were due to SNPP experiencing a spacecraft anomaly;
• MODIS-TERRA on June 8, 2026 were due to data delays and gaps in L0 data;
• VIIRS-SNPP-Land on June 10, 2026, were due to data delays and gaps in L0 data;
• VIIRS-SNPP-Atmosphere on June 10, 2026, were due to data delays.
   

Note that higher product latencies for:

• OMPS-SNPP on June 9, 2026, were due to receiving Level 0 late from EDOS;
• MLS-AURA on June 10, 2026, were due to multiple gaps in the MLS NRT data. 

Notes:

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 to the granule being ready on-line for users to download.  
2. Duration covered by the data for a granule is defined differently for four different instruments (e.g., MODIS granules are 5 minutes long, while OMI NRT granules are 13 to 136 minutes long).
3. Over the past four weeks, more than 95% of near-real time (NRT) data requests for nearly all instruments were satisfied within 3 hours. The exceptions were OMPS-NOAA-21and VIIRS-SNPP-Land, which had rates of 62% and 76%, respectively, of NRT data requests being satisfied within 3 hours.

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