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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month APR, Year 2001 |
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| Day of Month | Precip (mm) | Max Temp. oC | Min Temp. oC | Mean Temp. oC | Wind Speed (m/s) | Wind Dir (deg.) | Vapor Press. (mb) | Solar Rad. KJ/m2 | PAR mMoles/m2 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 16.51 | 40 | 8 | 18.6 | 1.79 | 146 | 24.39 | 8829 | 14688 |
| 2 | 0.25 | 46 | 3 | 22.0 | 1.82 | 144 | 34.83 | 19845 | 29930 |
| 3 | 0.51 | 22 | 6 | 10.8 | 0.65 | 155 | 11.64 | 3286 | 5729 |
| 4 | 0.00 | 45 | 2 | 16.9 | 1.36 | 153 | 21.31 | 14461 | 22198 |
| 5 | 0.00 | 17 | -0 | 8.4 | 0.91 | 223 | 8.35 | 23002 | 35655 |
| 6 | 0.00 | 23 | 8 | 16.2 | 3.73 | 255 | 12.67 | 17836 | 28173 |
| 7 | 0.00 | 36 | 12 | 20.3 | 2.81 | 237 | 21.65 | 12030 | 19706 |
| 8 | 0.00 | 44 | 13 | 24.8 | 1.39 | 217 | 32.95 | 20883 | 32340 |
| 9 | 0.00 | 27 | 14 | 20.6 | 1.52 | 220 | 19.23 | 22812 | 35879 |
| 10 | 0.00 | 32 | 12 | 17.6 | 2.15 | 220 | 17.83 | 15225 | 25411 |
| 11 | 13.97 | 47 | 28 | 39.0 | 1.17 | 214 | 73.08 | 3639 | 7061 |
| 12 | 0.25 | 30 | 22 | 25.1 | 1.79 | 215 | 25.70 | 18824 | 31215 |
| 13 | 1.52 | 37 | 17 | 26.6 | 2.04 | 214 | 30.93 | 10540 | 17284 |
| 14 | 0.00 | 21 | 13 | 16.8 | 1.66 | 220 | 10.79 | 25369 | 38759 |
| 15 | 2.79 | 20 | 13 | 16.4 | 1.42 | 219 | 15.09 | 19108 | 30718 |
| 16 | 0.25 | 43 | 7 | 19.9 | 1.65 | 215 | 25.15 | 6466 | 10835 |
| 17 | 7.62 | 47 | 7 | 17.1 | 2.91 | 193 | 21.17 | 14142 | 22482 |
| 18 | 0.00 | 17 | 5 | 8.7 | 4.36 | 182 | 6.62 | 18904 | 29392 |
| 19 | 0.00 | 16 | 1 | 9.4 | 1.50 | 182 | 6.76 | 25350 | 39685 |
| 20 | 0.00 | 20 | 6 | 13.7 | 1.72 | 182 | 12.03 | 20207 | 32137 |
| 21 | 0.00 | 27 | 15 | 19.9 | 3.77 | 182 | 17.24 | 17375 | 28047 |
| 22 | 0.00 | 28 | 17 | 22.1 | 3.45 | 181 | 18.88 | 24310 | 38685 |
| 23 | 0.00 | 29 | 19 | 22.7 | 2.42 | 182 | 20.85 | 24732 | 38910 |
| 24 | 0.76 | 29 | 16 | 23.8 | 4.44 | 182 | 21.80 | 24171 | 39063 |
| 25 | 6.35 | 41 | 14 | 23.9 | 2.07 | 180 | 28.43 | 3584 | 8171 |
| 26 | 0.00 | 29 | 6 | 15.4 | 3.13 | 206 | 12.18 | 27614 | 42532 |
| 27 | 0.00 | 24 | 3 | 14.1 | 2.00 | 254 | 9.35 | 26116 | 41637 |
| 28 | 0.00 | 20 | 7 | 16.5 | 2.69 | 256 | 10.16 | 26874 | 42147 |
| 29 | 0.00 | 15 | 3 | 9.8 | 1.05 | 275 | 9.01 | 25753 | 43548 |
| 30 | 0.00 | 22 | 3 | 12.7 | 0.96 | 275 | 10.22 | 26709 | 43724 |
| Mon. Tot. Precip. 50.8 mm | Mean wind vel. 2.144 m/s |
| Mon. Mean Temp. 18.3 deg. C | Wind dir 203 deg |
| Mean Max. Temp. 29.8 deg. C | Mean Min. Temp. 10.0 deg. C |
| Extreme Max. Temp 47.1 deg. C | Mean vapor press 19.68 mb |
| Extreme Min. Temp -0.5 deg. C | Total Solar Rad 547996 KJ/sq. m |
| Total photosyn. 875740 mMoles/sq.m |
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| Daily Total Precipitation (mm) |
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| Hourly Mean Temperatures (deg. C) |
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| Hourly Max Min and Mean Temperatures (deg. C) |
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| Wind Speed (m/s) |
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| Frequency of Wind Direction |
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| Wind Vectors (circle=1.5 m/s) |
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| Relative Humidity (percent) |
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| Photosynthetically Active Radiation (milli-moles per m squared) |
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| Hourly Photosynthetically Active Radiation (milliMoles per m squared) |
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| Solar Radiation (KiloJoules per Meter Squared) |
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| Hourly Solar Radiation (KiloJoules per Meter Squared) |
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| Hours of Station Operation |
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| Data Logger Battery Voltage and Internal Logger Temperature |