CONTENTS
- Abstract
- Introduction
- Purpose and Scope
- Acknowledgments
- Approach
- Instrumentation
- Belfort Universal Precipitation Gage 5-780
- OTT PLUVIO Precipitation Gage
- NovaLynx Model 260-2510 Standard Rain and Snow Gage
- Phase III Testing
- Results
- Comparison of Data from Belfort Universal Precipitation Gage 5-780 and OTT PLUVIO Precipitation Gage
- Site AL99
- Site IL11
- Site MN16
- Site NV03
- Site PA15
- Site WY95
- Comparison of Data from NovaLynx Model 260-2510 Standard Rain and Snow Gage, with Data
from Belfort Universal Precipitation Gage 5-780 and OTT PLUVIO Precipitation Gage
- Summary
- References Cited
FIGURES
- Map showing location of NADP/NTN sites across the conterminous United States
- Photograph showing Belfort 5-780 precipitation gage, at site NV03, showing Belfort rotating chart
- Photographs showing (A) OTT PLUVIO precipitation gage with stainless steel housing, at site NV03.
(B) OTT PLUVIO precipitation gage with stainless steel housing removed showing collection bucket
and data logger
- (A) Sketch map showing placement of OTT PLUVIO and Belfort 5-780 precipitation gages and
Aerochem sample collector at site NV03. (B) Photograph of site NV03 looking north
- Boxplots showing differences, in inches, between the daily precipitation measured by the
Belfort 5-780 and OTT PLUVIO precipitation gages
6-12. Graphs showing (A) Cumulative precipitation. (B) Frequency analysis of the difference between
precipitation measurements by Belfort 5-780 gage minus OTT PLUVIO precipitation gage:
- Site AL99
- Site IL11 East
- Site IL11 West
- Site MN16
- Site NV03
- Site PA15
- Site WY95
- Graph showing cumulative precipitation from the Belfort 5-780 and OTT PLUVIO precipitation
gages, and NovaLynx Model 260-2510 Standard Rain and Snow Gage at site IL11
- Graph showing differences, in inches, of precipitation measurements between the Belfort 5-780
and OTT PLUVIO precipitation gages, and the NovaLynx Model 260-2510 Standard Rain and
Snow Gage at site IL11
- Graph showing cumulative precipitation from the Belfort 5-780 and OTT PLUVIO precipitation
gages, and NovaLynx Model 260-2510 Standard Rain and Snow Gage at site PA15
- Graph showing differences, in inches, of precipitation measurements between the Belfort 5-780
and OTT PLUVIO precipitation gages, and the NovaLynx Model 260-2510 Standard Rain and
Snow Gage at site PA15
TABLES
- Differences of precipitation measurements, between the OTT PLUVIO and Belfort 5-780
precipitation gages, collected at the National Trends Network sites during Phase III evaluation
- Differences of measurements at the National Trends Network sites using the paired t-test
and the Wilcoxon signed-rank test during Phase III evaluation
- Differences of precipitation measurements, between the OTT PLUVIOand Belfort 5-780
precipitation gages, and the NovaLynx Model 260-2510 Standard Rain and Snow Gage,
for 144 precipitation events, using the paired t-test and Wilcoxon signed-rank test during
Phase III evaluation
- Differences of precipitation measurements, between the OTT PLUVIO and Belfort 5-780
precipitation gages, and the NovaLynx Model 260-2510 Standard Rain and Snow Gage,
for 150 precipitation events, at site PA15
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