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Hickory FAA AP Burke County | NC Climate Division 1 | ID# 314020 ◼ ◼ ◼

Hickory FAA AP

Location: 35.74 °N, 81.38 °W
Elevation: 1143 ft.
Record incorporates data from the following stations: HICKORY FAA AP, HICKORY RGNL AP

map showing station location

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Hickory FAA AP
Average Monthly Precipitation (in inches)


Data Source: Period of Record — Applied Climate Information System (ACIS); Climate Normals (if available) — NOAA’s National Centers for Environmental Information (NCEI)

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Hickory FAA AP
Historical Monthly Precipitation (in inches)
(Months with missing data are coded 9999)


Data Source: Applied Climate Information System (ACIS)

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Hickory FAA AP
Seasonal Precipitation (in inches)


* Data Missing: Mar 1990; Aug 1992; Mar, Apr 1995; Sep, Oct, Nov, Dec 1997; Jan, Feb, Mar 1998; May 2006; Jul, Aug 2007; Mar, Jun 2008; May, Sep 2010; Jul 2015; Jan 2017.

Data Source: Applied Climate Information System (ACIS)

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Hickory FAA AP
Maximum Event Precipitation since 1980 (in inches)

Note: Some duration periods may overlap; the longest duration appears on top.
Years with missing data are coded -9999.

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Maximun Event Precipitation for the Historic Record (in inches)

Data Source: Applied Climate Information System (ACIS)

1-Month 2-Month 3-Month 6-Month 9-Month 12-Month 24-Month All Multi-Duration

graph showing the Standardized Precipitation Index for the station

Data Source: Applied Climate Information System (ACIS)

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12-month 18-month 24-month 36-month 48-month 60-month

graphic showing the probability density function for precipitation at the station

Data Source: Applied Climate Information System (ACIS)

Reading this chart info-icon

graphic showing the probability density function of precipitation for each season at the station

Data Source: Applied Climate Information System (ACIS)

Reading this chart info-icon

12-month 18-month 24-month 36-month 48-month 60-month

graphic showing the recurrence interval for total annual precipitation at the station

Data Source: Applied Climate Information System (ACIS)

Reading a Probablility Density Function Chart

example of a probablity density functionThis chart shows the range and probability of specific precipitation totals. For example, there is about a 2% chance of getting just 35 inches of precipitation in a year. But if you look at the distribution of rainfall (historical rainfall amounts are shown by the blue bars, while the line graph smooths out this distribution), you can see that most years you are likely to get more precipitation than 35 inches.

Reading a Seasonal Probablility Density Function Chart

This graph shows the range and probability of precipitation totals for each season. Each curve is a statistically-derived, best fit to historical data. The peaks represent rainfall totals with the highest probability; the tails of each curve have very low probability.

Reading a Recurrence Interval Chart

These maps show the percentage of average precipitation that can be expected for a specified length of time and specified return period. You may choose 1- to 5-year accumulation periods and see the probability of specific precipitation totals (on the vertical axis) occurring in a given year. A 100-year return means that there is a 1 in 100 (1%) chance of occurrence in a single year.