diff -r 978f4510987d -r d3122367777b h1_summary2.c
--- a/h1_summary2.c	Mon Oct 01 15:49:25 2007 -0400
+++ b/h1_summary2.c	Wed Oct 03 11:23:02 2007 -0400
@@ -788,7 +788,7 @@
 	double *tbounds)
 {
 	int i, j;
-	float hr[HOURS_PER_DAY];
+	float hr[HOURS_PER_DAY], mean_time;
 	struct var *in_vnode, *out_vnode;
 	void *val;
 
@@ -823,6 +823,12 @@
 					val = read_timeslice(in_ncid, in_vnode->ncvarid, in_vnode->nctype, in_vnode->ndims, in_vnode->dimids, in_dim_idx, ((input_dim_idx[in_vnode->dimids[0]])->len - 1));
 					if (!strcmp(in_vnode->name, time_bounds_name))
 						write_timeslice(out_ncid, out_vnode->ncvarid, out_vnode->nctype, in_vnode->ndims, in_vnode->dimids, in_dim_idx, tbounds, 0);
+					else if (!strcmp(in_vnode->name, time_name)) {
+						/* force the timestamp to be the
+						 * mean of the time bounds */
+						mean_time = (tbounds[0] + tbounds[1]) / 2.0;
+						write_timeslice(out_ncid, out_vnode->ncvarid, out_vnode->nctype, in_vnode->ndims, in_vnode->dimids, in_dim_idx, &mean_time, 0);
+					}
 					else
 						write_timeslice(out_ncid, out_vnode->ncvarid, out_vnode->nctype, in_vnode->ndims, in_vnode->dimids, in_dim_idx, val, 0);
 				}