Average variables for Penn State from 1-jan-1999 00:00:00.00 to 31-jan-1999 23:57:00.00 Downwelling global solar 65.20 W/m^2 (14880) Upwelling solar 34.87 W/m^2 (14880) Direct solar 81.49 W/m^2 (14877) PAR 28.55 W/m^2 (14880) UVB 5.46 mW/m^2 (14880) Diffuse solar 34.58 W/m^2 (14880) Downwelling infrared 266.58 W/m^2 (14880) Upwelling infrared 299.73 W/m^2 (14880) Air temperature -2.59 Deg. C (14880) Wind 4.08 m/s (14880) Relative humidity 79.85 % (11304) Station pressure 979.15 mb (14880) Net solar 30.36 W/m^2 (14880) Net infrared -35.04 W/m^2 (14880) Total net radiation -4.67 W/m^2 (14880) Conversion factor 0.4690 ( 3840) Transmission 0.3859 ( 3840) Albedo -9999.9004 ( 2601) Specific humidity 2.6833 (11304) Virtual temperature -2.8409 (11304) Average variables for Penn State from 1-feb-1999 00:00:00.00 to 28-feb-1999 23:57:00.00 Downwelling global solar 100.24 W/m^2 (13402) Upwelling solar 27.73 W/m^2 (13402) Direct solar 122.23 W/m^2 (13400) PAR 42.97 W/m^2 (13402) UVB 8.98 mW/m^2 (13402) Diffuse solar 46.84 W/m^2 (13402) Downwelling infrared 262.70 W/m^2 (13402) Upwelling infrared 314.56 W/m^2 (13402) Air temperature -0.01 Deg. C (13402) Wind 2.97 m/s (13402) Relative humidity 72.16 % (11490) Station pressure 977.62 mb (13402) Net solar 72.52 W/m^2 (13402) Net infrared -52.09 W/m^2 (13402) Total net radiation 20.44 W/m^2 (13402) Conversion factor 0.4486 ( 4254) Transmission 0.4299 ( 4254) Albedo 0.2800 ( 3327) Specific humidity 2.9391 (11490) Virtual temperature 0.5460 (11490) Average variables for Penn State from 1-mar-1999 00:00:00.00 to 31-mar-1999 23:57:00.00 Downwelling global solar 169.16 W/m^2 (14880) Upwelling solar 81.13 W/m^2 (14880) Direct solar 186.52 W/m^2 (14880) PAR 73.58 W/m^2 (14880) UVB 19.60 mW/m^2 (14880) Diffuse solar 66.55 W/m^2 (14880) Downwelling infrared 261.02 W/m^2 (14880) Upwelling infrared 316.48 W/m^2 (14880) Air temperature 1.43 Deg. C (14880) Wind 4.01 m/s (14880) Relative humidity 65.02 % (13220) Station pressure 975.82 mb (14759) Net solar 88.05 W/m^2 (14880) Net infrared -55.58 W/m^2 (14880) Total net radiation 32.47 W/m^2 (14880) Conversion factor 0.4526 ( 5658) Transmission 0.5268 ( 5658) Albedo 0.4871 ( 5118) Specific humidity 2.8352 (13220) Virtual temperature 2.1959 (13220) Average variables for Penn State from 1-apr-1999 00:00:00.00 to 30-apr-1999 23:57:00.00 Downwelling global solar 195.71 W/m^2 (14400) Upwelling solar 40.58 W/m^2 (14400) Direct solar 209.54 W/m^2 (14390) PAR 84.39 W/m^2 (14400) UVB 26.68 mW/m^2 (14400) Diffuse solar 64.07 W/m^2 (14400) Downwelling infrared 297.76 W/m^2 (14400) Upwelling infrared 363.55 W/m^2 (14400) Air temperature 9.23 Deg. C (14400) Wind 3.51 m/s (14400) Relative humidity 64.06 % (12123) Station pressure 973.39 mb (12558) Net solar 155.14 W/m^2 (14400) Net infrared -65.91 W/m^2 (14400) Total net radiation 89.22 W/m^2 (14400) Conversion factor 0.4510 ( 6297) Transmission 0.4825 ( 6297) Albedo 0.2070 ( 5095) Specific humidity 4.8683 (12123) Virtual temperature 10.5144 (12123) Average variables for Penn State from 1-may-1999 00:00:00.00 to 31-may-1999 23:57:00.00 Downwelling global solar 248.23 W/m^2 (14880) Upwelling solar 51.37 W/m^2 (14880) Direct solar 228.88 W/m^2 (14871) PAR 109.43 W/m^2 (14880) UVB 39.09 mW/m^2 (14880) Diffuse solar 94.50 W/m^2 (14880) Downwelling infrared 327.07 W/m^2 (14880) Upwelling infrared 401.54 W/m^2 (14880) Air temperature 15.50 Deg. C (14880) Wind 3.19 m/s (14880) Relative humidity 66.19 % (13370) Station pressure 972.24 mb (14880) Net solar 196.86 W/m^2 (14880) Net infrared -74.48 W/m^2 (14880) Total net radiation 122.39 W/m^2 (14880) Conversion factor 0.4461 ( 7135) Transmission 0.5337 ( 7135) Albedo 0.2092 ( 6534) Specific humidity 7.5443 (13370) Virtual temperature 17.1523 (13370) Average variables for Penn State from 1-jun-1999 00:00:00.00 to 30-jun-1999 23:57:00.00 Downwelling global solar 245.33 W/m^2 (14400) Upwelling solar 49.26 W/m^2 (14400) Direct solar 189.46 W/m^2 (14375) PAR 107.98 W/m^2 (14400) UVB 42.77 mW/m^2 (14400) Diffuse solar 113.93 W/m^2 (14400) Downwelling infrared 357.86 W/m^2 (14400) Upwelling infrared 426.42 W/m^2 (14400) Air temperature 19.51 Deg. C (14400) Wind 2.75 m/s (14400) Relative humidity 73.44 % (11777) Station pressure 974.20 mb (14400) Net solar 196.07 W/m^2 (14400) Net infrared -68.57 W/m^2 (14400) Total net radiation 127.50 W/m^2 (14400) Conversion factor 0.4475 ( 7190) Transmission 0.5022 ( 7190) Albedo 0.2036 ( 6485) Specific humidity 11.7014 (11777) Virtual temperature 22.8675 (11777) Average variables for Penn State from 1-jul-1999 00:00:00.00 to 31-jul-1999 23:57:00.00 Downwelling global solar 260.39 W/m^2 (14880) Upwelling solar 51.43 W/m^2 (14880) Direct solar 212.31 W/m^2 (14866) PAR 113.22 W/m^2 (14880) UVB 46.60 mW/m^2 (14880) Diffuse solar 115.43 W/m^2 (14880) Downwelling infrared 378.45 W/m^2 (14880) Upwelling infrared 444.11 W/m^2 (14880) Air temperature 22.89 Deg. C (14880) Wind 2.34 m/s (14880) Relative humidity 76.45 % (12187) Station pressure 972.12 mb (14880) Net solar 208.96 W/m^2 (14880) Net infrared -65.67 W/m^2 (14880) Total net radiation 143.30 W/m^2 (14880) Conversion factor 0.4377 ( 7291) Transmission 0.5485 ( 7291) Albedo 0.2014 ( 6939) Specific humidity 14.7426 (12187) Virtual temperature 26.6719 (12187) Average variables for Penn State from 1-aug-1999 00:00:00.00 to 31-aug-1999 23:57:00.00 Downwelling global solar 214.78 W/m^2 (14663) Upwelling solar 42.33 W/m^2 (14663) Direct solar 190.66 W/m^2 (14654) PAR 94.53 W/m^2 (14663) UVB 36.60 mW/m^2 (14663) Diffuse solar 88.88 W/m^2 (14663) Downwelling infrared 362.02 W/m^2 (14663) Upwelling infrared 421.55 W/m^2 (14663) Air temperature 19.41 Deg. C (14663) Wind 2.10 m/s (14663) Relative humidity 73.62 % (12515) Station pressure 971.11 mb (14663) Net solar 172.46 W/m^2 (14663) Net infrared -59.55 W/m^2 (14663) Total net radiation 112.90 W/m^2 (14663) Conversion factor 0.4494 ( 6564) Transmission 0.5117 ( 6577) Albedo 0.2004 ( 6031) Specific humidity 11.1008 (12515) Virtual temperature 22.1623 (12515) Average variables for Penn State from 1-sep-1999 00:00:00.00 to 30-sep-1999 23:57:00.00 Downwelling global solar 171.13 W/m^2 (14400) Upwelling solar 35.34 W/m^2 (14400) Direct solar 181.56 W/m^2 (14399) PAR 74.69 W/m^2 (14400) UVB 26.19 mW/m^2 (14400) Diffuse solar 63.31 W/m^2 (14400) Downwelling infrared 348.57 W/m^2 (14400) Upwelling infrared 399.27 W/m^2 (14400) Air temperature 16.53 Deg. C (14400) Wind 2.39 m/s (14400) Relative humidity 76.04 % (13309) Station pressure 972.07 mb (14400) Net solar 135.79 W/m^2 (14400) Net infrared -50.79 W/m^2 (14400) Total net radiation 85.01 W/m^2 (14400) Conversion factor 0.4593 ( 5799) Transmission 0.4883 ( 5802) Albedo 0.2108 ( 4805) Specific humidity 9.5920 (13309) Virtual temperature 18.7028 (13309) Average variables for Penn State from 1-oct-1999 00:00:00.00 to 31-oct-1999 23:57:00.00 Downwelling global solar 133.13 W/m^2 (14877) Upwelling solar 27.47 W/m^2 (14877) Direct solar 166.54 W/m^2 (14877) PAR 57.21 W/m^2 (14877) UVB 15.64 mW/m^2 (14877) Diffuse solar 52.10 W/m^2 (14877) Downwelling infrared 303.22 W/m^2 (14877) Upwelling infrared 361.45 W/m^2 (14877) Air temperature 9.72 Deg. C (14877) Wind 2.77 m/s (14877) Relative humidity 70.37 % (13521) Station pressure 974.88 mb (14877) Net solar 105.66 W/m^2 (14877) Net infrared -58.30 W/m^2 (14877) Total net radiation 47.37 W/m^2 (14877) Conversion factor 0.4374 ( 5067) Transmission 0.5118 ( 5067) Albedo 0.2075 ( 4516) Specific humidity 5.7168 (13521) Virtual temperature 11.2786 (13521) Average variables for Penn State from 1-nov-1999 00:00:00.00 to 30-nov-1999 23:57:00.00 Downwelling global solar 87.65 W/m^2 (14400) Upwelling solar 19.41 W/m^2 (14400) Direct solar 124.80 W/m^2 (14400) PAR 37.01 W/m^2 (14400) UVB 8.11 mW/m^2 (14400) Diffuse solar 38.55 W/m^2 (14400) Downwelling infrared 298.10 W/m^2 (14400) Upwelling infrared 348.37 W/m^2 (14400) Air temperature 7.43 Deg. C (14400) Wind 3.77 m/s (14400) Relative humidity 67.08 % (13643) Station pressure 974.18 mb (14400) Net solar 68.25 W/m^2 (14400) Net infrared -50.41 W/m^2 (14400) Total net radiation 17.84 W/m^2 (14400) Conversion factor 0.4428 ( 3976) Transmission 0.4693 ( 3976) Albedo 0.2195 ( 3175) Specific humidity 4.8278 (13643) Virtual temperature 8.3126 (13643) Average variables for Penn State from 1-dec-1999 00:00:00.00 to 31-dec-1999 23:57:00.00 Downwelling global solar 58.05 W/m^2 (14880) Upwelling solar 12.87 W/m^2 (14880) Direct solar 84.32 W/m^2 (14834) PAR 24.34 W/m^2 (14836) UVB 4.34 mW/m^2 (14880) Diffuse solar 29.63 W/m^2 (14836) Downwelling infrared 272.88 W/m^2 (14880) Upwelling infrared 315.36 W/m^2 (14880) Air temperature 0.36 Deg. C (14880) Wind 3.28 m/s (14880) Relative humidity 69.28 % (13861) Station pressure 973.17 mb (14880) Net solar 45.20 W/m^2 (14880) Net infrared -42.81 W/m^2 (14880) Total net radiation 2.39 W/m^2 (14880) Conversion factor 0.4428 ( 3528) Transmission 0.3834 ( 3534) Albedo -9999.9004 ( 2440) Specific humidity 2.9603 (13861) Virtual temperature 0.7691 (13861)