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05/06 - 05/19/2004

COMPARABLE 2003 PERIOD: 05/07 - 05/20/2003

NDVI data calculated from the AVHRR sensor on the NOAA-17 satellite are used to create vegetation condition imagery beginning in April of the 2004 crop season. The images selectable below include displays of the NDVI index for various US areas. Since NOAA-17 AVHRR may not be directly comparable to NOAA-16, no ratio images to previous years are shown. Agricultural Statistics District (ASD) and/or county boundaries are shown where the resolution allows. Thumbnail images, which start when at least eight prior periods are available, allow season to-date review. US images with average first frost isolines overlaying NDVI are available starting with the period containing September 1st. Select a GIF or PDF image to view from the tables below. Images are in GIF format unless otherwise noted.

Biweekly NDVI Displays:
2004 Continental US US w/Average 1st Frost 9 Period US Thumbnail 2003 Comparable Period
KS/OK '04 & '03 ND/SD/NE '04 & '03 IL/IN/IA/MO '04 & '03 WA/OR/ID '04 & '03
Southeast US '04 & '03 CA/NV '04 & '03 Miss. Delta '04 & '03 Texas '04 & '03
Northeast '04 & '03 Southwest '04 & '03 Nebraska '04  

Browse Continental US (PDF Format)
Biweekly NDVI

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