ck_tnn: Annual or Monthly Minimum of Daily Minimum Temperature (TNn)
In climatekit: Unified Climate Indices for Temperature, Precipitation, and Drought
ck_tnn R Documentation
Annual or Monthly Minimum of Daily Minimum Temperature (TNn)
Description
ETCCDI canonical index TNn. The minimum value of daily minimum
temperature (Tmin) within each reporting period (coldest night).
Usage
ck_tnn(tmin, dates, period = "annual")
Arguments
tmin
Numeric vector of daily minimum temperatures (degrees C).
dates
Date vector of the same length as tmin.
period
Character. Aggregation period: "annual" (default) or
"monthly".
Value
A data frame with columns period, value, index, and unit.
Examples
dates <- as.Date("2024-01-01") + 0:9
tmin <- c(-2, 3, -1, 5, -8, 0, 2, -12, 1, -1)
ck_tnn(tmin, dates)
climatekit documentation built on May 9, 2026, 5:08 p.m.
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| ck_tnn | R Documentation |
Annual or Monthly Minimum of Daily Minimum Temperature (TNn)
Description
ETCCDI canonical index TNn. The minimum value of daily minimum temperature (Tmin) within each reporting period (coldest night).
Usage
ck_tnn(tmin, dates, period = "annual")
Arguments
tmin |
Numeric vector of daily minimum temperatures (degrees C). |
dates |
Date vector of the same length as |
period |
Character. Aggregation period: |
Value
A data frame with columns period, value, index, and unit.
Examples
dates <- as.Date("2024-01-01") + 0:9
tmin <- c(-2, 3, -1, 5, -8, 0, 2, -12, 1, -1)
ck_tnn(tmin, dates)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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