Average variables for Penn State from 1-jan-2009 00:00:00.00 to 31-jan-2009 23:59:00.00 Downwelling global solar 76.28 W/m^2 (44614) Upwelling solar 47.27 W/m^2 (44614) Direct solar 66.86 W/m^2 (44611) PAR 30.41 W/m^2 (43591) UVB 6.20 mW/m^2 (44614) Diffuse solar 52.73 W/m^2 (44614) Downwelling infrared 248.97 W/m^2 (44614) Upwelling infrared 283.86 W/m^2 (44614) Air temperature -5.43 Deg. C (44614) Wind 3.51 m/s (44614) Relative humidity 69.41 % (44614) Station pressure 970.61 mb (44614) Net solar 29.01 W/m^2 (44614) Net infrared -35.12 W/m^2 (44614) Total net radiation -6.11 W/m^2 (44614) Conversion factor 0.4243 (11174) Transmission 0.4444 (11557) Albedo 0.6227 ( 9684) Specific humidity 1.9172 (44614) Virtual temperature -5.1185 (44614) Average variables for Penn State from 1-feb-2009 00:00:00.00 to 28-feb-2009 23:59:00.00 Downwelling global solar 108.72 W/m^2 (40320) Upwelling solar 37.77 W/m^2 (40320) Direct solar 117.99 W/m^2 (40318) PAR 43.92 W/m^2 (39658) UVB 9.48 mW/m^2 (40320) Diffuse solar 55.51 W/m^2 (40320) Downwelling infrared 264.41 W/m^2 (40320) Upwelling infrared 309.57 W/m^2 (40320) Air temperature -0.08 Deg. C (40320) Wind 4.34 m/s (40320) Relative humidity 64.48 % (40320) Station pressure 972.38 mb (40320) Net solar 70.96 W/m^2 (40320) Net infrared -45.91 W/m^2 (40320) Total net radiation 25.05 W/m^2 (40320) Conversion factor 0.4171 (12680) Transmission 0.4641 (12818) Albedo 0.3399 (10605) Specific humidity 2.7345 (40320) Virtual temperature 0.3741 (40320) Average variables for Penn State from 1-mar-2009 00:00:00.00 to 31-mar-2009 23:59:00.00 Downwelling global solar 153.66 W/m^2 (44640) Upwelling solar 37.20 W/m^2 (44640) Direct solar 148.90 W/m^2 (44640) PAR 62.59 W/m^2 (43928) UVB 18.01 mW/m^2 (44640) Diffuse solar 71.69 W/m^2 (44640) Downwelling infrared 280.00 W/m^2 (44640) Upwelling infrared 336.00 W/m^2 (44640) Air temperature 4.40 Deg. C (44640) Wind 3.49 m/s (44640) Relative humidity 58.64 % (44640) Station pressure 975.67 mb (44640) Net solar 116.45 W/m^2 (44640) Net infrared -56.13 W/m^2 (44640) Total net radiation 60.32 W/m^2 (44640) Conversion factor 0.4191 (16984) Transmission 0.4805 (17027) Albedo 0.2385 (14351) Specific humidity 3.4553 (44640) Virtual temperature 4.9905 (44640) Average variables for Penn State from 1-apr-2009 00:00:00.00 to 30-apr-2009 23:59:00.00 Downwelling global solar 192.54 W/m^2 (43200) Upwelling solar 41.70 W/m^2 (43200) Direct solar 172.25 W/m^2 (43160) PAR 81.02 W/m^2 (42757) UVB 28.15 mW/m^2 (43192) Diffuse solar 83.47 W/m^2 (43200) Downwelling infrared 307.14 W/m^2 (43200) Upwelling infrared 361.86 W/m^2 (43200) Air temperature 10.06 Deg. C (43200) Wind 4.11 m/s (43200) Relative humidity 59.02 % (43200) Station pressure 970.20 mb (43200) Net solar 150.85 W/m^2 (43200) Net infrared -54.72 W/m^2 (43200) Total net radiation 96.12 W/m^2 (43200) Conversion factor 0.4292 (18913) Transmission 0.4686 (18922) Albedo 0.2134 (15604) Specific humidity 4.5592 (43200) Virtual temperature 10.8464 (43200) Average variables for Penn State from 1-may-2009 00:00:00.00 to 31-may-2009 23:59:00.00 Downwelling global solar 209.00 W/m^2 (44640) Upwelling solar 43.76 W/m^2 (44640) Direct solar 153.74 W/m^2 (44604) PAR 88.19 W/m^2 (44288) UVB 34.35 mW/m^2 (44640) Diffuse solar 105.43 W/m^2 (44640) Downwelling infrared 338.48 W/m^2 (44640) Upwelling infrared 391.04 W/m^2 (44640) Air temperature 15.14 Deg. C (44640) Wind 2.94 m/s (44640) Relative humidity 68.69 % (44640) Station pressure 972.70 mb (44640) Net solar 165.25 W/m^2 (44640) Net infrared -52.57 W/m^2 (44640) Total net radiation 112.69 W/m^2 (44640) Conversion factor 0.4265 (21356) Transmission 0.4473 (21426) Albedo 0.2076 (18591) Specific humidity 7.5542 (44640) Virtual temperature 16.4584 (44640) Average variables for Penn State from 1-jun-2009 00:00:00.00 to 30-jun-2009 23:59:00.00 Downwelling global solar 211.51 W/m^2 (43200) Upwelling solar 41.98 W/m^2 (43200) Direct solar 147.54 W/m^2 (43149) PAR 91.01 W/m^2 (42849) UVB 38.24 mW/m^2 (43200) Diffuse solar 109.55 W/m^2 (43200) Downwelling infrared 363.46 W/m^2 (43191) Upwelling infrared 411.47 W/m^2 (43199) Air temperature 18.94 Deg. C (43200) Wind 2.35 m/s (43200) Relative humidity 75.14 % (43200) Station pressure 967.77 mb (43200) Net solar 169.53 W/m^2 (43200) Net infrared -48.04 W/m^2 (43191) Total net radiation 121.52 W/m^2 (43191) Conversion factor 0.4342 (21547) Transmission 0.4317 (21568) Albedo 0.1984 (18450) Specific humidity 10.5094 (43200) Virtual temperature 20.7989 (43200) Average variables for Penn State from 1-jul-2009 00:00:00.00 to 31-jul-2009 23:59:00.00 Downwelling global solar 232.51 W/m^2 (43912) Upwelling solar 40.17 W/m^2 (34831) Direct solar 172.32 W/m^2 (43850) PAR 98.93 W/m^2 (43544) UVB 39.82 mW/m^2 (42909) Diffuse solar 116.20 W/m^2 (43912) Downwelling infrared -9999.90 W/m^2 (29936) Upwelling infrared -9999.90 W/m^2 (29936) Air temperature -9999.90 Deg. C (29982) Wind 2.32 m/s (43912) Relative humidity 73.63 % (43881) Station pressure 970.41 mb (43912) Net solar 152.56 W/m^2 (34831) Net infrared -9999.90 W/m^2 (29934) Total net radiation -9999.90 W/m^2 (29934) Conversion factor 0.4284 (21074) Transmission 0.5013 (21169) Albedo -9999.9004 (13205) Specific humidity 10.7400 (43881) Virtual temperature 21.5815 (43881) Average variables for Penn State from 1-aug-2009 00:00:00.00 to 31-aug-2009 23:59:00.00 Downwelling global solar 218.03 W/m^2 (44640) Upwelling solar 47.68 W/m^2 (44640) Direct solar 164.94 W/m^2 (44588) PAR 92.54 W/m^2 (44260) UVB 38.51 mW/m^2 (44640) Diffuse solar 107.90 W/m^2 (44640) Downwelling infrared 373.59 W/m^2 (44637) Upwelling infrared 424.62 W/m^2 (44639) Air temperature 21.32 Deg. C (44640) Wind 1.83 m/s (44640) Relative humidity 77.79 % (44640) Station pressure 973.19 mb (44640) Net solar 170.36 W/m^2 (44640) Net infrared -51.02 W/m^2 (44637) Total net radiation 119.34 W/m^2 (44637) Conversion factor 0.4319 (20061) Transmission 0.5099 (20254) Albedo 0.2210 (18278) Specific humidity 12.6288 (44640) Virtual temperature 23.5817 (44640) Average variables for Penn State from 1-sep-2009 00:00:00.00 to 30-sep-2009 23:59:00.00 Downwelling global solar 160.57 W/m^2 (43200) Upwelling solar 35.94 W/m^2 (43200) Direct solar 148.33 W/m^2 (43182) PAR 68.53 W/m^2 (42717) UVB 25.18 mW/m^2 (43200) Diffuse solar 71.08 W/m^2 (43200) Downwelling infrared 346.55 W/m^2 (43200) Upwelling infrared 395.97 W/m^2 (43200) Air temperature 16.45 Deg. C (43200) Wind 2.14 m/s (43200) Relative humidity 78.59 % (43200) Station pressure 975.27 mb (43200) Net solar 124.65 W/m^2 (43200) Net infrared -49.42 W/m^2 (43200) Total net radiation 75.23 W/m^2 (43200) Conversion factor 0.4388 (16964) Transmission 0.4622 (17367) Albedo 0.2253 (14561) Specific humidity 9.4461 (43200) Virtual temperature 18.1102 (43200) Average variables for Penn State from 1-oct-2009 00:00:00.00 to 31-oct-2009 23:59:00.00 Downwelling global solar 98.59 W/m^2 (44640) Upwelling solar 23.71 W/m^2 (44640) Direct solar 82.96 W/m^2 (44640) PAR 41.76 W/m^2 (43923) UVB 12.80 mW/m^2 (44538) Diffuse solar 59.35 W/m^2 (44640) Downwelling infrared 320.44 W/m^2 (44638) Upwelling infrared 358.28 W/m^2 (44640) Air temperature 9.65 Deg. C (44640) Wind 2.51 m/s (44640) Relative humidity 77.88 % (44640) Station pressure 972.46 mb (44640) Net solar 74.90 W/m^2 (44640) Net infrared -37.92 W/m^2 (44638) Total net radiation 36.96 W/m^2 (44638) Conversion factor 0.4331 (14654) Transmission 0.3819 (15157) Albedo 0.2479 (11946) Specific humidity 6.0702 (44640) Virtual temperature 10.6956 (44640) Average variables for Penn State from 1-nov-2009 00:00:00.00 to 30-nov-2009 23:59:00.00 Downwelling global solar 77.20 W/m^2 (43200) Upwelling solar 17.82 W/m^2 (43200) Direct solar 79.15 W/m^2 (43200) PAR 32.50 W/m^2 (43084) UVB 7.96 mW/m^2 (43200) Diffuse solar 45.20 W/m^2 (43200) Downwelling infrared 302.86 W/m^2 (43200) Upwelling infrared 345.62 W/m^2 (43200) Air temperature 7.57 Deg. C (43200) Wind 2.59 m/s (43200) Relative humidity 71.37 % (43200) Station pressure 975.13 mb (43200) Net solar 59.39 W/m^2 (43200) Net infrared -42.78 W/m^2 (43200) Total net radiation 16.61 W/m^2 (43200) Conversion factor 0.4293 (11867) Transmission 0.4172 (11885) Albedo 0.2243 ( 9892) Specific humidity 4.8017 (43200) Virtual temperature 8.3935 (43200) Average variables for Penn State from 1-dec-2009 00:00:00.00 to 31-dec-2009 23:59:00.00 Downwelling global solar 61.61 W/m^2 (44640) Upwelling solar 31.93 W/m^2 (44640) Direct solar 72.01 W/m^2 (44640) PAR 25.86 W/m^2 (43686) UVB 4.55 mW/m^2 (44640) Diffuse solar 37.56 W/m^2 (44640) Downwelling infrared 266.93 W/m^2 (44640) Upwelling infrared 302.88 W/m^2 (44640) Air temperature -1.10 Deg. C (44640) Wind 3.71 m/s (44640) Relative humidity 72.50 % (44635) Station pressure 972.97 mb (44640) Net solar 29.71 W/m^2 (44640) Net infrared -36.32 W/m^2 (44640) Total net radiation -6.60 W/m^2 (44640) Conversion factor 0.4415 (10008) Transmission 0.4139 (10589) Albedo 0.5022 ( 7786) Specific humidity 2.7890 (44635) Virtual temperature -0.6382 (44635)