Pasture, Rangeland, Forage & Apiculture Rainfall Index

About Pasture, Rangeland, Forage and Apiculture Rainfall Index

Coverage under PRF is available for Grazingland and Hayland crops while coverage under API is available under the No Type Specified crop type. This risk management tool insures against widespread loss of production of the insured crop in a designated grid area rather than individual farms.

The program does not provide hail and fire exclusion, high-risk land, late planting, replant requirements, replanting payments, prevented planting or experience adjustment factor payments. Protection factors allow individualization of coverage based on the production of the crops produced and may be selected from 60percent to 150percent, in 1percent increments.

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Losses are paid when the grid's accumulated index, known as the final grid index, falls below the insured's trigger grid index. Indemnities are based on the deviation from normal for each grid. A payment may be made only if the final grid index for the insured unit is less than the grower's trigger grid index. The payment will be equal to the payment calculation factor multiplied by the policy protection per unit.

Grid ID

The grid ID number, which corresponds with the location of the insured cropland, is determined by using the Risk Management Association (RMA) website. The grid is utilized to determine the expected grid index and the final grid index, which is used in premium and loss calculation. The grid ID number will be reported on the acreage report.

Loss Payment

To calculate a payable loss, multiply the amount of coverage per acre applying on the date of loss by the damaged acreage and the percentage of loss, less any deductibles.

Rainfall Index - (RI) Pasture, Rangeland, Forage (PRF) and Apiculture (API)

The crop year begins January 1 and ends December 31. The rainfall index has 11 flexible, two-month time periods that cannot overlap. A minimum of two intervals (four months total) per crop year must be insured under the Rainfall Index program.

Index Intervals

(625) Index Interval
(626) Index Interval
(627) Index Interval
(628) Index Interval
(629) Index Interval
(630) Index Interval
(631) Index Interval
(632) Index Interval
(633) Index Interval
(634) Index Interval
(635) Index Interval

Start Date

January 1
February 1
March 1
April 1
May 1
June 1
July 1
August 1
September 1
October 1
November 1

End Date

February 28
March 31
April 30
May 31
June 30
July 31
August 31
September 30
October 31
November 30
December 31

  • (625) Index Interval

    Start Date: January 1
    End Date: February 28

  • (626) Index Interval

    Start Date: February 1
    End Date: March 31

  • (627) Index Interval

    Start Date: March 1
    End Date: April 30

  • (628) Index Interval

    Start Date: April 1
    End Date: May 31

  • (629) Index Interval

    Start Date: May 1
    End Date: June 30

  • (630) Index Interval

    Start Date: June 1
    End Date: July 31

  • (631) Index Interval

    Start Date: July 1
    End Date: August 31

  • (632) Index Interval

    Start Date: August 1
    End Date: September 30

  • (633) Index Interval

    Start Date: September 1
    End Date: October 31

  • (634) Index Interval

    Start Date: October 1
    End Date: November 30

  • (635) Index Interval

    Start Date: November 1
    End Date: December 31

Contact Us today at ( or visit the location nearest you, and let us find the right coverage for your farm and ranch needs. We can provide a free, exploratory quote that gives you a fast, accurate picture of rates and coverages.