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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month APR, Year 1992 |
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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 uE/m2 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.00 | 16 | -0 | 7.8 | 1.78 | 220 | 9.21 | 12972 | 24152 |
| 2 | 0.00 | 9 | 2 | 5.9 | 3.78 | 311 | 5.77 | 15928 | 29048 |
| 3 | 0.00 | 9 | 0 | 3.8 | 3.96 | 290 | 3.92 | 22898 | 40381 |
| 4 | 0.00 | 9 | -3 | 3.9 | 0.71 | 42 | 5.35 | 13952 | 25354 |
| 5 | 0.00 | 12 | 2 | 7.2 | 3.45 | 316 | 5.81 | 22290 | 39330 |
| 6 | 0.00 | 14 | 5 | 8.8 | 1.30 | 319 | 5.50 | 19541 | 35125 |
| 7 | 0.00 | 20 | 2 | 11.7 | 1.40 | 232 | 9.83 | 16783 | 30846 |
| 8 | 0.00 | 21 | 8 | 14.6 | 2.59 | 319 | 11.13 | 21755 | 39540 |
| 9 | 0.00 | 18 | 6 | 13.2 | 1.15 | 187 | 12.03 | 15410 | 28980 |
| 10 | 0.00 | 26 | 13 | 18.6 | 1.96 | 226 | 15.13 | 20739 | 37993 |
| 11 | 0.00 | 27 | 15 | 19.8 | 3.18 | 223 | 17.52 | 21904 | 41014 |
| 12 | 9.20 | 27 | 11 | 19.0 | 3.66 | 247 | 17.69 | 17551 | 33691 |
| 13 | 0.00 | 11 | 4 | 6.6 | 3.04 | 57 | 6.50 | 24219 | 44140 |
| 14 | 0.00 | 11 | 4 | 7.4 | 1.25 | 77 | 6.18 | 21041 | 38842 |
| 15 | 0.00 | 13 | 7 | 9.9 | 0.89 | 123 | 7.72 | 8647 | 16549 |
| 16 | 0.00 | 16 | 9 | 12.5 | 1.48 | 179 | 13.07 | 5460 | 11188 |
| 17 | 0.00 | 29 | 16 | 21.1 | 4.49 | 231 | 17.86 | 22974 | 42338 |
| 18 | 0.00 | 21 | 11 | 14.3 | 2.32 | 79 | 14.63 | 18500 | 35095 |
| 19 | 0.00 | 11 | 0 | 8.5 | 1.73 | 44 | 12.36 | . | 206 |
| 21 | 0.00 | 23 | 14 | 18.2 | 1.28 | 209 | 17.86 | 21427 | 41488 |
| 22 | 20.80 | 24 | 16 | 18.9 | 1.55 | 219 | 20.18 | 17018 | 31723 |
| 23 | 0.00 | 26 | 13 | 19.2 | 1.90 | 325 | 12.66 | 25940 | 46556 |
| 24 | 3.80 | 28 | 14 | 19.8 | 2.78 | 236 | 14.70 | 24217 | 44184 |
| 25 | 1.50 | 19 | 10 | 14.7 | 2.04 | 14 | 13.11 | 13307 | 25067 |
| 26 | 5.40 | 10 | 5 | 8.4 | 2.02 | 60 | 9.99 | 5585 | 11115 |
| 27 | 4.30 | 16 | 5 | 10.0 | 1.47 | 329 | 9.39 | 20256 | 36411 |
| 28 | 0.00 | 15 | 4 | 9.9 | 1.89 | 61 | 8.90 | 24985 | 44581 |
| 29 | 0.00 | 15 | 5 | 10.0 | 2.31 | 58 | 7.67 | 25774 | 45806 |
| 30 | 0.50 | 17 | 2 | 11.0 | 1.05 | 215 | 10.04 | 17755 | 32562 |
| Mon. Tot. Precip. 45.5 mm | Mean wind vel. 2.151 m/s |
| Mon. Mean Temp. 12.2 deg. C | Wind dir 283 deg |
| Mean Max. Temp. 17.7 deg. C | Mean Min. Temp. 6.8 deg. C |
| Extreme Max. Temp 28.9 deg. C | Mean vapor press 11.09 mb |
| Extreme Min. Temp -3.1 deg. C | Total Solar Rad 518827 KJ/sq. m |
| Total photosyn. 953305 uEin/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 (micro-einsteins per m squared) |
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| Hourly Photosynthetically Active Radiation (micro-einsteins 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 |