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+Overfull \hbox (11.82567pt too wide) in paragraph at lines 1220--1220
 []\OT1/pcr/m/n/10.95 Suspended sediment concentration (SSC) 1980-10-01 1991-09-
 30 3651 mg/l[] 
  []
@@ -775,7 +775,7 @@ Overfull \hbox (11.82567pt too wide) in paragraph at lines 1233--1233
 <table1.png, id=319, 554.07pt x 125.71968pt>
 File: table1.png Graphic file (type png)
  <use table1.png>
-Package pdftex.def Info: table1.png used on input line 1252.
+Package pdftex.def Info: table1.png used on input line 1239.
 (pdftex.def)             Requested size: 554.06865pt x 125.71936pt.
 
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@@ -785,31 +785,31 @@ Overfull \vbox (21.68121pt too high) has occurred while \output is active []
 Overfull \vbox (21.68121pt too high) has occurred while \output is active []
 
 
-[27 <D:/LADData/RCode/dataRetrieval/vignettes/table1.png>]
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+[27 <D:/LADData/RCodes/dataRetrieval/vignettes/table1.png>]
+Underfull \hbox (badness 1983) in paragraph at lines 1255--1256
 []\OT1/ptm/m/n/10.95 Hirsch, R. M., Moyer, D. L. and Arch-field, S. A. (2010), 
 Weighted Re-gres-sions on
  []
 
 
-Underfull \hbox (badness 1221) in paragraph at lines 1268--1269
+Underfull \hbox (badness 1221) in paragraph at lines 1255--1256
 \OT1/ptm/m/n/10.95 Time, Dis-charge, and Sea-son (WRTDS), with an Ap-pli-ca-tio
 n to Chesa-peake Bay River
  []
 
 
-Underfull \hbox (badness 2443) in paragraph at lines 1268--1269
+Underfull \hbox (badness 2443) in paragraph at lines 1255--1256
 \OT1/ptm/m/n/10.95 In-puts. JAWRA Jour-nal of the Amer-i-can Wa-ter Re-sources 
 As-so-ci-a-tion, 46: 857-880.
  []
 
 
-Underfull \hbox (badness 3690) in paragraph at lines 1268--1269
+Underfull \hbox (badness 3690) in paragraph at lines 1255--1256
 \OT1/ptm/m/n/10.95 doi: 10.1111/j.1752-1688.2010.00482.x []$\OT1/pcr/m/n/10.95 
 http : / / onlinelibrary . wiley . com / doi /$
  []
 
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+Package atveryend Info: Empty hook `AfterLastShipout' on input line 1262.
+ (D:\LADData\RCodes\dataRetrieval\vignettes\dataRetrieval.aux)
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@@ -830,10 +830,10 @@ LaTeX Warning: There were undefined references.
 
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@@ -846,7 +846,7 @@ les (x86)/MiKTeX 2.9/fonts/type1/urw/courier/ucrb8a.pfb><C:/Program Files (x86)
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+Output written on dataRetrieval.pdf (28 pages, 284857 bytes).
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diff --git a/vignettes/dataRetrieval.pdf b/vignettes/dataRetrieval.pdf
index 8a2aa5c17af7564b349efcd31c18bb766dfdf094..e802a0625fb05211565b1b70939c0dfb3082a8e9 100644
Binary files a/vignettes/dataRetrieval.pdf and b/vignettes/dataRetrieval.pdf differ
diff --git a/vignettes/dataRetrieval.synctex.gz b/vignettes/dataRetrieval.synctex.gz
index f340ba47323d04d5922c3fec7ac34e19b7a9978a..70a51bd3a9428ce39c58a16452f3775de368d04e 100644
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diff --git a/vignettes/dataRetrieval.tex b/vignettes/dataRetrieval.tex
index 172dde3215925ca7172192d78aec05f00f3b8ade..1815c77d2429db7be05f6a686a4a714cbcfe46a4 100644
--- a/vignettes/dataRetrieval.tex
+++ b/vignettes/dataRetrieval.tex
@@ -100,7 +100,6 @@
 
 
 
-
 %------------------------------------------------------------
 \title{The dataRetrieval R package}
 %------------------------------------------------------------
@@ -175,7 +174,7 @@ Not every station will measure all parameters. A short list of commonly measured
 
 
 % latex table generated in R 3.0.2 by xtable 1.7-1 package
-% Wed Dec 18 15:54:18 2013
+% Mon Jan 27 13:37:44 2014
 \begin{table}[ht]
 \centering
 \begin{tabular}{rll}
@@ -238,7 +237,7 @@ For unit values data (sensor data), the parameter code and site ID will suffice.
 
 Some common stat codes are shown in Table \ref{tab:stat}.
 % latex table generated in R 3.0.2 by xtable 1.7-1 package
-% Wed Dec 18 15:54:18 2013
+% Mon Jan 27 13:37:45 2014
 \begin{table}[ht]
 \centering
 \begin{tabular}{rll}
@@ -325,7 +324,7 @@ To find out the available data at a particular USGS site, including measured par
 
 
 % latex table generated in R 3.0.2 by xtable 1.7-1 package
-% Wed Dec 18 15:54:19 2013
+% Mon Jan 27 13:37:46 2014
 \begin{table}[ht]
 \centering
 \begin{tabular}{rlllll}
@@ -333,7 +332,7 @@ To find out the available data at a particular USGS site, including measured par
  & shortName & Start & End & Count & Units \\ 
   \hline
 1 & Temperature, water & 2010-10-01 & 2012-05-09 & 529 & deg C \\ 
-  2 & Stream flow, mean. daily & 1948-01-01 & 2013-12-17 & 24093 & ft3/s \\ 
+  2 & Stream flow, mean. daily & 1948-01-01 & 2014-01-26 & 24133 & ft3/s \\ 
   3 & Specific conductance & 2010-10-01 & 2012-05-09 & 527 & uS/cm @25C \\ 
   4 & Suspended sediment concentration (SSC) & 1980-10-01 & 1991-09-30 & 3651 & mg/l \\ 
   5 & Suspended sediment discharge & 1980-10-01 & 1991-09-30 & 3652 & tons/day \\ 
@@ -480,29 +479,17 @@ Any data that are collected at regular time intervals (such as 15-minute or hour
 \hlstd{dischargeToday} \hlkwb{<-} \hlkwd{retrieveUnitNWISData}\hlstd{(siteNumber, parameterCd,}
         \hlstd{startDate, endDate)}
 \end{alltt}
-\end{kframe}
+
+
+{\ttfamily\noindent\bfseries\color{errorcolor}{Error: invalid 'file' argument}}\end{kframe}
 \end{knitrout}
 
 Which produces the following dataframe:
 \begin{knitrout}
 \definecolor{shadecolor}{rgb}{0.969, 0.969, 0.969}\color{fgcolor}\begin{kframe}
-\begin{verbatim}
-  agency     site            dateTime X02_00060_00011
-1   USGS 01491000 2012-05-12 00:00:00              83
-2   USGS 01491000 2012-05-12 00:15:00              83
-3   USGS 01491000 2012-05-12 00:30:00              83
-4   USGS 01491000 2012-05-12 00:45:00              83
-5   USGS 01491000 2012-05-12 01:00:00              85
-6   USGS 01491000 2012-05-12 01:15:00              83
-  X02_00060_00011_cd
-1                  A
-2                  A
-3                  A
-4                  A
-5                  A
-6                  A
-\end{verbatim}
-\end{kframe}
+
+
+{\ttfamily\noindent\bfseries\color{errorcolor}{Error: object 'dischargeToday' not found}}\end{kframe}
 \end{knitrout}
 
 
@@ -673,7 +660,7 @@ There are 4750 data points, and 4750 days.
 Details of the Daily dataframe are listed below:
 
 % latex table generated in R 3.0.2 by xtable 1.7-1 package
-% Wed Dec 18 15:56:12 2013
+% Mon Jan 27 13:37:59 2014
 \begin{table}[ht]
 \centering
 \begin{tabular}{rllll}
@@ -784,7 +771,7 @@ As an example to understand how the dataRetrieval package handles a more complex
 
 
 % latex table generated in R 3.0.2 by xtable 1.7-1 package
-% Wed Dec 18 15:56:13 2013
+% Mon Jan 27 13:38:00 2014
 \begin{table}[ht]
 \centering
 \begin{tabular}{rllrlrlr}
@@ -1199,7 +1186,7 @@ There are a few steps that are required in order to create a table in a Microsof
 5           Suspended sediment discharge 1980-10-01
          End Count      Units
 1 2012-05-09   529      deg C
-2 2013-12-17 24093      ft3/s
+2 2014-01-26 24133      ft3/s
 3 2012-05-09   527 uS/cm @25C
 4 1991-09-30  3651       mg/l
 5 1991-09-30  3652   tons/day
diff --git a/vignettes/figure/egretEx.pdf b/vignettes/figure/egretEx.pdf
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diff --git a/vignettes/figure/getNWIStemperaturePlot.pdf b/vignettes/figure/getNWIStemperaturePlot.pdf
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diff --git a/vignettes/figure/getQWtemperaturePlot.pdf b/vignettes/figure/getQWtemperaturePlot.pdf
index 5a8193a46afbed7a9275feb43fab55b780d3498d..72947c7d99a187f40afe3b5e517dcde1b6ae20e0 100644
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