香港辐射量数据
香港纬度22.2°经度114.1°平均海拔72米 Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 3.27 3.04 3.28 3.59 4.29 4.61 5.29 Monthly Averaged Direct Normal Radiation / Page Method (kWh/m2/day) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 3 2.27 2.16 2.2 2.74 3.03 3.72 Minimum And Maximum Difference From Monthly Averaged Direct Normal Radiation (%) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 Minimum -60 n/a -86 -60 -56 -38 -22 Maximum 66 102 84 71 59 29 29 Monthly Averaged Daylight Average Of Hourly Cosine Solar Zenith Angles (dimensionless) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 Average 0.5 0.49 0.57 0.64 0.63 0.59 0.59 Monthly Averaged Radiation Incident On An Equator-Pointed Tilted Surface / RETScreen Method (kWh/m2/day) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 SSE HRZ 3.27 3.04 3.28 3.59 4.29 4.61 5.29 K 0.46 0.37 0.34 0.34 0.39 0.41 0.48 Erbs DIF 1.39 1.72 1.96 2.16 2.32 2.36 2.35 RET DNR 3.18 2.09 1.83 1.83 2.64 3.03 4.05 Tilt 0 3.16 3.01 3.24 3.52 4.27 4.59 5.26 Tilt 7 3.39 3.13 3.3 3.53 4.23 4.61 5.19 Tilt 22 3.74 3.27 3.33 3.46 4.02 4.51 4.86 Tilt 37 3.91 3.26 3.21 3.24 3.65 4.22 4.31 Tilt 90 2.96 2.19 1.91 1.67 1.64 2.01 1.71 OPT 3.92 3.28 3.33 3.53 4.27 4.61 5.26 OPT ANG 42 29 17 7 0 7 0 Minimum Available Insolation Over A Consecutive-day Period (%) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 Min/1 day 11 10.1 12.1 12.5 20 5.42 4.72 Min/3 day 24.8 17.3 28.4 21.1 25.8 11.6 23.3 Min/7 day 29.2 27.5 35.6 42.1 52.1 33 45.2 Min/14 day 51.3 39 60.9 56.1 62.4 57.7 65 Min/21 day 67.1 50.5 70 76.4 68.8 77.5 81.1 Min/Mont h 77 64.1 71.9 83 81.1 85.2 92.2 Available Surplus Insolation Over A Consecutive-day Period (%) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 Max/1 day 166 195 228 219 189 178 146 Max/3 day 165 189 211 207 182 171 137 Max/7 day 154 172 177 165 148 149 131 Max/14 day 141 148 144 152 144 137 121 Max/21 day 135 142 128 131 140 131 120 Max/Mont h 124 128 123 123 119 108 112 Monthly Averaged Daylight Cloud Amount (%) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 55.3 71.7 79.6 82.9 76.7 75.1 61 Monthly Averaged Earth Skin Temperature (° C) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 17.3 18.3 20.5 22.8 25.1 26.7 27.2 Monthly Averaged Wind Speed At 10 m Above The Surface Of The Earth For Terrain Similar To Airports (m/s) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 5.31 4.57 4.23 3.86 3.55 4.09 4.03 Difference Between The Average Wind Speed At 10 m Above The Surface Of The Earth And The Average Wind speed At 50 m Above The Surface Of The Earth (%) Vegetation type “Airport“: flat rough grass Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average -21 -21 -20 -20 -20 -21 -20 Monthly Averaged Relative Humidity (%) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 75.6 79.6 83.2 85.2 83.9 82.1 79.9 Monthly Averaged Top-of-atmosphere Insolation (kWh/m2/day) Lat 22.2 Jan Feb Mar Apr May Jun Jul Lon 114.1 10-year Average 7.08 8.18 9.46 10.4 10.9 11 10.9 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 4.88 4.57 4.41 3.93 3.45 Aug Sep Oct Nov Dec Annual Average 3.39 3.33 3.7 3.76 3.46 3.07 Aug Sep Oct Nov Dec Annual Average -54 -28 -37 -55 -43 n/a 38 40 36 47 34 53 Aug Sep Oct Nov Dec 0.66 0.6 0.57 0.48 0.44 Aug Sep Oct Nov Dec Annual Average 4.88 4.57 4.41 3.93 3.45 4.05 0.46 0.46 0.51 0.53 0.51 0.44 2.27 2.1 1.84 1.56 1.29 1.94 3.37 3.41 4.07 4.33 3.83 3.15 4.78 4.5 4.37 3.9 3.35 4 4.78 4.58 4.56 4.18 3.63 4.1 4.62 4.6 4.81 4.63 4.1 4.17 4.26 4.41 4.83 4.84 4.36 4.05 1.85 2.34 3.12 3.64 3.44 2.37 4.79 4.62 4.85 4.85 4.4 4.32 3 16 30 42 46 19.8 Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day) Monthly Averaged Direct Normal Radiation / Page Method (kWh/m2/day) Minimum And Maximum Difference From Monthly Averaged Direct Normal Radiation (%) Monthly Averaged Daylight Average Of Hourly Cosine Solar Zenith Angles (dimensionless) Monthly Averaged Radiation Incident On An Equator-Pointed Tilted Surface / RETScreen Method (kWh/m2/day) Aug Sep Oct Nov Dec 5.93 10.9 7.02 8.14 10.7 22.8 17.3 15.5 24.2 27.8 38.4 55.2 36.8 43.6 42.6 60.8 69.7 64.7 60.6 61.4 68 79.3 76.6 69.3 68.9 76.8 90.5 84.3 74.8 80.5 Aug Sep Oct Nov Dec 156 153 144 146 145 146 147 143 143 138 130 143 134 137 130 125 133 128 123 128 116 126 120 116 120 110 116 114 117 112 Aug Sep Oct Nov Dec 64.9 61.4 48.2 42.6 41.5 Aug Sep Oct Nov Dec Annual Minimum Available Insolation Over A Consecutive-day Period (%) Available Surplus Insolation Over A Consecutive-day Period (%) Monthly Averaged Daylight Cloud Amount (%) Monthly Averaged Earth Skin Temperature (° C) Average 27.2 26.5 24.5 21.1 18 22.9 Aug Sep Oct Nov Dec Annual Average 3.63 3.96 5.54 6.12 5.91 4.56 Aug Sep Oct Nov Dec Annual Average -21 -20 -21 -20 -20 -20 Aug Sep Oct Nov Dec 79.2 78.5 77.2 75.6 75 Aug Sep Oct Nov Dec 10.5 9.77 8.61 7.39 6.74 Monthly Averaged Wind Speed At 10 m Above The Surface Of The Earth For Terrain Similar To Airports (m/s) Difference Between The Average Wind Speed At 10 m Above The Surface Of The Earth And The Average Wind speed At 50 m Above The Surface Of The Earth (%) Vegetation type “Airport“: flat rough grass Monthly Averaged Relative Humidity (%) Monthly Averaged Top-of-atmosphere Insolation (kWh/m2/day) Aug Sep Oct Nov Dec