diff --git a/src/pypromice/qc/persistence.py b/src/pypromice/qc/persistence.py
index 20ceb60c..f59bf45c 100644
--- a/src/pypromice/qc/persistence.py
+++ b/src/pypromice/qc/persistence.py
@@ -16,12 +16,12 @@
 
 # period is given in hours, 2 persistent 10 min values will be flagged if period < 0.333
 DEFAULT_VARIABLE_THRESHOLDS = {
-    "t": {"max_diff": 0.0001, "period": 0.3},
-    "p": {"max_diff": 0.0001, "period": 0.3},
+    "t": {"max_diff": 0.0001, "period": 2},
+    "p": {"max_diff": 0.0001, "period": 2},
     'gps_lat_lon':{"max_diff": 0.000001, "period": 6}, # gets special handling to remove simultaneously constant gps_lat and gps_lon
     'gps_alt':{"max_diff": 0.0001, "period": 6},
-    't_rad':{"max_diff": 0.0001, "period": 0.3},
-    "rh": {"max_diff": 0.0001, "period": 0.3}, # gets special handling to allow constant 100%
+    't_rad':{"max_diff": 0.0001, "period": 2},
+    "rh": {"max_diff": 0.0001, "period": 2}, # gets special handling to allow constant 100%
     "wspd": {"max_diff": 0.0001, "period": 6},
 }