diff --git a/NEWS.md b/NEWS.md
index 1d5bfa4..8acf600 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,7 +2,7 @@
 
 # teckfish 0.2.1
 
-- Set lower default `min_length = 122` for `gsdd_cf()`.
+- Set lower default `min_length = 120` for `gsdd_cf()`.
 
 # teckfish 0.2.0
 
diff --git a/R/gdd.R b/R/gdd.R
index 618a236..d397c32 100644
--- a/R/gdd.R
+++ b/R/gdd.R
@@ -12,7 +12,7 @@
 gdd <- function(
     x,
     end_date = as.Date("1972-09-30"),
-    min_length = 61,
+    min_length = 60,
     msgs = TRUE
 ) {
   chk_whole_number(min_length)
diff --git a/R/gsdd-cf.R b/R/gsdd-cf.R
index 073f084..98c585b 100644
--- a/R/gsdd-cf.R
+++ b/R/gsdd-cf.R
@@ -13,7 +13,7 @@
 gsdd_cf <- function(
     x,
     ignore_truncation = FALSE,
-    min_length = 122,
+    min_length = 120,
     msgs = TRUE
 ) {
   lifecycle::deprecate_soft("0.1.2", "gsdd_cf()", with = "gsdd::gsdd_vctr()")
diff --git a/R/gsdd.R b/R/gsdd.R
index de796d1..06b5823 100644
--- a/R/gsdd.R
+++ b/R/gsdd.R
@@ -11,7 +11,7 @@
 #' gsdd(gsdd::temperature_data)
 gsdd <- function(
     x,
-    min_length = 122,
+    min_length = 120,
     msgs = TRUE
 ) {
   chk_whole_number(min_length)
diff --git a/man/gdd.Rd b/man/gdd.Rd
index 0197e64..a563124 100644
--- a/man/gdd.Rd
+++ b/man/gdd.Rd
@@ -4,7 +4,7 @@
 \alias{gdd}
 \title{Calculate Growing Degree Days (GDD)}
 \usage{
-gdd(x, end_date = as.Date("1972-09-30"), min_length = 61, msgs = TRUE)
+gdd(x, end_date = as.Date("1972-09-30"), min_length = 60, msgs = TRUE)
 }
 \arguments{
 \item{x}{A data frame with two columns \code{date} and \code{temperature}.
diff --git a/man/gsdd.Rd b/man/gsdd.Rd
index 61f273b..9e50cbd 100644
--- a/man/gsdd.Rd
+++ b/man/gsdd.Rd
@@ -4,7 +4,7 @@
 \alias{gsdd}
 \title{Calculate Growing Season Degree Days (GSDD)}
 \usage{
-gsdd(x, min_length = 122, msgs = TRUE)
+gsdd(x, min_length = 120, msgs = TRUE)
 }
 \arguments{
 \item{x}{A data frame with two columns \code{date} and \code{temperature}.
diff --git a/man/gsdd_cf.Rd b/man/gsdd_cf.Rd
index f2eade1..be69fc3 100644
--- a/man/gsdd_cf.Rd
+++ b/man/gsdd_cf.Rd
@@ -4,7 +4,7 @@
 \alias{gsdd_cf}
 \title{Calculate Growing Season Degree Days (GSDD)}
 \usage{
-gsdd_cf(x, ignore_truncation = FALSE, min_length = 122, msgs = TRUE)
+gsdd_cf(x, ignore_truncation = FALSE, min_length = 120, msgs = TRUE)
 }
 \arguments{
 \item{x}{A numeric vector of the