ESDIS Weekly Metrics: April 1, 2024

Note:
1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 3.259 times the volume added to the archive per day.

LANCE Data Latency

Note:
Higher product latencies for:

• SMAP L-BAND RADIOMETER-SMAP on March 25 and 26, 2024; we are in the process of finding a POC for SMAP
• VIIRS-JPSS1 (Land) on March 25, 26, and 28, 2024, due to configuring issue causing the delay in plans being staged
• AIRS-AQUA on March 26 and 27, 2024, due to missing data from provider
• VIIRS-SNPP (Land) on March 29, 2024, due to a delay in L0

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 four instruments (AIRS-AQUA, VIIRS-JPSS1(Land), VIIRS-SNPP (Land), SMAP L-BAND RADIOMETER-SMAP) were satisfied within 3 hours. For AIRS-AQUA, VIIRS-JPSS1(Land), VIIRS-SNPP (Land), SMAP L-BAND RADIOMETER-SMAP, over 94%, 87%, 80%, and 83% of the NRT data requests were satisfied within 3 hours, respectively.

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