diff --git a/.Rbuildignore b/.Rbuildignore
index 4910708..7e30453 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -3,6 +3,7 @@
 .travis.yml
 README.Rmd
 README.md
+_pkgdown.yml
 appveyor.yml
 Makefile
 cran-comments.md
diff --git a/CRAN-SUBMISSION b/CRAN-SUBMISSION
index 37cf501..b34e988 100644
--- a/CRAN-SUBMISSION
+++ b/CRAN-SUBMISSION
@@ -1,3 +1,3 @@
-Version: 1.0.1
-Date: 2022-12-11 16:47:03 UTC
-SHA: 4aeb758c4163058461a701b5888180d67b4a3e94
+Version: 1.0.2
+Date: 2023-02-07 16:16:42 UTC
+SHA: b5de651f0186ddfbee6a2f33387b2c07093d348e
diff --git a/DESCRIPTION b/DESCRIPTION
index f3c3a9d..43f9a29 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -5,8 +5,8 @@ Description: General purpose R client for 'ERDDAP' servers. Includes
     'datasets', and fetch 'datasets', in either 'csv' or 'netCDF' format.
     'ERDDAP' information: 
     <https://upwell.pfeg.noaa.gov/erddap/information.html>.
-Version: 1.0.2
-Date: 2023-02-08
+Version: 1.0.3
+Date: 2023-06-09
 License: MIT + file LICENSE
 Authors@R: c(
     person("Scott", "Chamberlain", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index b5f5b4b..af7e2c6 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+rerddap 1.0.3
+=============
+This version provides exta checks on time bounds.
+
+
 rerddap 1.0.2
 =============
 Ensure '[' and ']' properly encoded in URL
diff --git a/R/grid.R b/R/grid.R
index 70f527e..5d0e808 100644
--- a/R/grid.R
+++ b/R/grid.R
@@ -25,6 +25,9 @@ griddap <- function(datasetx, ..., fields = 'all', stride = 1, fmt = "nc",
   if (attr(x, "type") != "griddap")
     stop("datasetid '", attr(x, "datasetid"), "' not of type griddap")
   check_dims(dimargs, x)
+  if (!is.null(dimargs$time)) {
+    check_time_range(dimargs, x)
+  }
   check_lat_text(dimargs)
   check_lon_text(dimargs)
   dimargs <- fix_dims(dimargs, .info = x)
@@ -128,6 +131,12 @@ field_handler <- function(x, y){
 }
 
 check_dims <- function(dimargs, .info) {
+  if (any(lengths(dimargs )!= 2)) {
+    print("All coordinate bounds must be of length 2, even if same value")
+    print("Present values are:") 
+    print(dimargs)
+    stop("rerddap halted", call. = FALSE)
+  }
   if (!all(names(dimargs) %in% dimvars(.info))) {
     stop(sprintf("Some input dimensions (%s) don't match those in dataset (%s)",
                  paste0(names(dimargs), collapse = ", "),
@@ -169,6 +178,27 @@ is_lat_text <- function(dimargs) {
   }
 }
 
+check_time_range <- function(dimargs, x) {
+#  if(!class(dimargs$time) == 'character'){
+  if(!is.character(dimargs$time)){
+    print('time must be given as character strings')
+    print('you are passing ', paste0(class(dimargs$time)))
+    stop('rerddap halted', call. = FALSE)
+  }
+  global <- x$alldata$NC_GLOBAL
+  tt <- global[ global$attribute_name %in%c('time_coverage_end','time_coverage_start'), "value", ]
+  tt <- rev(tt) 
+  if((dimargs$time[1] < tt[1]) | (dimargs$time[2] > tt[2])) {
+    print('time bounds are out of range')
+    print('You gave: ') 
+    print(dimargs$time)
+    print("Dataset times are: ")
+    print(tt)
+    stop('rerddap halted', call. = FALSE)
+  }
+}
+
+
 check_lon_data_range <- function(dimargs, .info) {
   if (!is.null(dimargs$longitude)) {
     val <- .info$alldata$longitude[ .info$alldata$longitude$attribute_name == "actual_range", "value"]
diff --git a/_pkgdown.yml b/_pkgdown.yml
new file mode 100644
index 0000000..aa21e76
--- /dev/null
+++ b/_pkgdown.yml
@@ -0,0 +1,77 @@
+reference:
+- title: rerddap Package Description
+  contents:
+  - rerddap-package
+  
+- title: Search
+  desc: >
+        Functions to search for ERDDAP servers as well as to search 
+        ERDDAP for datasets whose metadata match the given search. 
+  contents:
+  - ed_search
+  - ed_search_adv
+  - global_search
+  - servers
+
+- title: Obtain basic dataset metadata
+
+  desc: >
+    Obtain the basic dataset metadata to help in subsetting and downloading.
+  contents:
+  - info
+  - browse
+  
+
+- title: Subset and Download Data
+
+  desc: >
+    Functions to subset and download ERDDAP grids and tables.
+  contents:
+  - griddap
+  - tabledap
+  
+- title: Optional Settings for Data Download
+
+  desc: >
+    Optional settings for functions that subset and download ERDDAP grids and tables.
+  contents:
+  - disk
+  - eurl
+  - memory
+  
+- title: Cache Handling
+
+  desc: >
+    Functions for dealing with 'rerddap' cache.
+  contents:
+  - cache_delete
+  - cache_delete_all
+  - cache_details
+  - cache_info
+  - cache_list
+  - cache_setup
+  
+- title: Various ERDDAP Based Utilities
+
+  desc: >
+    Various ERDDAP based utilities for converting parameters.
+  contents:
+  - convert_time
+  - convert_units
+  - fipscounty
+  - key_words
+  - version
+
+- title: Datasets
+
+  desc: >
+    Datasets used in the the functions nd vignette.
+  contents:
+  - colors
+  - institutions
+  - ioos_categories
+  - keywords
+  - longnames
+  - standardnames
+  - variablenames
+
diff --git a/codemeta.json b/codemeta.json
index 2a4c135..f516b05 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -8,13 +8,13 @@
   "codeRepository": "https://github.com/ropensci/rerddap",
   "issueTracker": "https://github.com/ropensci/rerddap/issues",
   "license": "https://spdx.org/licenses/MIT",
-  "version": "1.0.1",
+  "version": "1.0.3",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",
     "url": "https://r-project.org"
   },
-  "runtimePlatform": "R version 4.2.2 (2022-10-31)",
+  "runtimePlatform": "R version 4.3.0 (2023-04-21)",
   "provider": {
     "@id": "https://cran.r-project.org",
     "@type": "Organization",
@@ -207,7 +207,7 @@
   "applicationCategory": "Climate",
   "isPartOf": "https://ropensci.org",
   "keywords": ["earth", "science", "climate", "precipitation", "temperature", "storm", "buoy", "NOAA", "rstats", "erddap", "noaa-data", "api-client", "r", "r-package"],
-  "fileSize": "3003.519KB",
+  "fileSize": "3004.714KB",
   "releaseNotes": "https://github.com/ropensci/rerddap/blob/master/NEWS.md",
   "readme": "https://github.com/ropensci/rerddap/blob/master/README.md",
   "contIntegration": ["https://github.com/ropensci/rerddap/actions", "https://codecov.io/github/ropensci/rerddap?branch=master"]
diff --git a/cran-comments.md b/cran-comments.md
index 919ade6..3e6228d 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,6 +1,6 @@
 ## Test environments
 
-* local macOS install, R 4.2.2
+* local macOS install, R 4.3.0
 * rhub (devtools::check_rhub())
 * macOS Builder (devtools::check_mac_release())
 * win-builder (devel and release - devtools::check_win_*())
@@ -12,11 +12,10 @@ OK from all checks
 ## Reverse dependencies
 
 * I am maintainer of plotdap and rerddapXracto - they check out
-* The maintainer of PAMmisc tested new version wih no problem
 
 ---
 
-This version adds extra guarantees that cacheing behaves properly
+This version provides exta checks on time bounds.
 
 Thanks! 
 Roy Mendelssohn