III-4. 2000 WEATHER DATA
73
Table III-4-1. Summary of meteorological station instruments and the parameters
measured.
Instrument
Parameter Measured
R.M. Young wind anemometer
Average wind speed (m/s)
4-m height
Average wind direction (m/s)
Peak wind speed (m/s)
Time of peak wind speed
Average 2-m temperature (C)
(2) Air temperature sensors
Maximum 2-m temperature (C)
2- and 0.5-m heights
Minimum 2-m temperature (C)
Average 0.5-m temperature (C)
Maximum 0.5-m temperature (C)
Minimum 0.5-m temperature (C)
(2) Relative humidity sensors
Average 2-m relative humidity (%)
2- and 0.5-m heights
Maximum 2-m relative humidity (%)
Minimum 2-m relative humidity (%)
Average 0.5-m relative humidity (%)
Maximum 0.5-m relative humidity (%)
Minimum 0.5-m relative humidity (%)
(2) Epply radiation (0.3-3 m) sensors,
incident and reflected
Tipping bucket rain gage
Tipping bucket 15-min precipitation (mm)
Tipping bucket total daily precipitation (mm)
Druck 357/D pressure transducer
Evaporation pan water level 15-min sample
ensured that data were transmitted in a timely
out the summer, ensuring that the equipment
manner to Hanover and posted regularly to
stayed in operating condition. They also
the Web site. Terry Edwards and other per-
added make-up water to the evaporation pan
sonnel of Weldin Construction checked the
twice during the summer.
meteorological station periodically through-
Table III-4-2 summarizes the weather data
Table III-4-2. Monthly summary of temperatures and precipitation for
Eagle River Flats and Anchorage showing the 2000 monthly (or partial
monthly) average temperatures for both sites, the normal monthly aver-
age temperatures for Anchorage, the monthly total measured precipita-
tion for ERF, and the monthly total and normal average precipitation for
Anchorage.
Temperature (C)
Rainfall (mm)
ANC normal
ANC 2000
ERF 2000
ANC normal
ANC 2000
ERF 2000
_
May
8.1
7.9
_
18.5
27.7
1231 May
_
8.5
8.1
_
23.6
22.8
June
12.4
12.8
12.7
29.0
39.6
27.4
July
14.7
13.8
13.4
43.4
72.1
116.4
_
August
13.5
12.8
_
62.0
51.3
114 August
_
14.3
13.4
_
15.1
32.6
_
September
9.1
8.5
_
68.6
89.0
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