MILAN ITALIA NASA Surface Meteorology and Solar Energy

8/10/2019 MILAN ITALIA NASA Surface Meteorology and Solar Energy

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NASA Surface meteorology and Solar

Energy - Available Tables

Latitude 45.465/ Longitude 9.187was chosen.

Geometry Information

Elevation: 746 meterstaken from the

NASA GEOS-4

model elevation

Northern boundary

46

Western boundary

9

Center

Latitude 45.5Longitude 9.5

Eastern boundary

10

Southern boundary

45

Parameters for Solar Cooking:

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m /day)

Lat 45.465

Lon 9.187Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

22-year Average 1.59 2.54 3.77 4.38 5.27 6.03 6.20 5.27 3.84 2.40 1.59 1.28

Parameter Def in iti on

Monthly Averaged Clear Sky Insolation Incident On A Horizontal Surface

(kWh/m2/day)

Lat 45.465


22-year Average 2.37 3.65 5.32 6.98 8.17 8.31 7.64 6.56 5.26 3.81 2.58 1.99


Monthly Averaged Clear Sky Days (days)Lat 45.465Lon 9.187

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

22-year Average 4 4 3 1 1 2 3 4 4 3 3 4

http://eosweb.larc.nasa.gov/https://eosweb.larc.nasa.gov/sse/text/definitions.html#swvdwncookhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#swvdwncookhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskycookhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskycookhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskydayhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskydayhttp://eosweb.larc.nasa.gov/http://eosweb.larc.nasa.gov/https://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskydayhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#clrskycookhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#swvdwncook


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Parameters for Sizing and Point ing of Solar Panels and for Solar Thermal

Applications:

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m /day)

Lat 45.465

Lon 9.187 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecAnnual

Average

22-year Average 1.59 2.54 3.77 4.38 5.27 6.03 6.20 5.27 3.84 2.40 1.59 1.28 3.68

Minimum And Maximum Difference From Monthly Averaged Insolation (%)

Lat 45.465


Minimum -33 -23 -23 -43 -29 -18 -18 -20 -16 -36 -23 -22

Maximum 28 23 30 42 18 16 16 17 24 27 25 36


Monthly Averaged Diffuse Radiation Incident On A Horizontal Surface (kWh/m /day)

Lat 45.465


Annual

Average

22-year Average 0.90 1.26 1.78 1.87 2.47 2.57 2.47 2.20 1.77 1.19 0.90 0.76 1.68

Minimum 1.07 1.41 2.10 2.17 2.41 2.56 2.61 2.28 1.95 1.39 1.06 0.95 1.83

Maximum 0.69 1.05 1.62 n/a 2.36 2.64 2.55 2.27 1.68 n/a 0.76 0.64 n/a

22-year Average

K0.47 0.52 0.53 0.47 0.48 0.51 0.55 0.53 0.49 0.43 0.42 0.44 0.49

Minimum K 0.32 0.39 0.41 0.26 0.34 0.42 0.45 0.42 0.41 0.27 0.32 0.34 0.36

Maximum K 0.60 0.64 0.69 0.67 0.56 0.60 0.64 0.62 0.61 0.54 0.53 0.60 0.61

NOTE:Diffuse radiation, direct normal radiation and tilted surface radiation are notcalculated when the clearness index (K) is below 0.3 or above 0.8.


Monthly Averaged Direct Normal Radiation (kWh/m /day)

Lat 45.465


Annual

Average

22-year Average 2.34 3.39 4.17 4.45 4.58 5.54 6.03 5.22 4.01 2.94 2.18 1.92 3.90

Minimum And Maximum Difference From Monthly Averaged Direct Normal

Radiation (%)

Lat 45.465

https://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_sky_mnhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_sky_mnhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#exp_difhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#exp_difhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#exp_difhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_sky_mn


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Minimum n/a -58 -58 -87 -52 -31 -33 -36 -39 -88 -75 -90

Maximum 95 62 64 n/a 36 25 25 27 50 n/a 78 112

NOTE:Diffuse radiation, direct normal radiation and tilted surface radiation are not

calculated when the clearness index (K) is below 0.3 or above 0.8.


Solar Geometry:

Monthly Averaged Solar Noon (GMT time)

Lat 45.465


Average 1134 1138 1133 1124 1120 1123 1130 1128 1119 1110 1108 1116


Monthly Averaged Daylight Hours (hours)

Lat 45.465


Average 9.16 10.4 11.9 13.5 14.8 15.6 15.2 14.1 12.5 11.0 9.56 8.80


Monthly Averaged Declination (degrees)

Lat 45.465


Average -20.7 -12.3 -1.81 9.70 18.8 23.0 21.2 13.7 3.09 -8.44 -18.1 -22.8


Monthly Averaged Maximum Solar Angle Relative To The Horizon (degrees)

Lat 45.465


Average 23.7 32.1 42.7 54.2 63.3 67.6 65.7 58.3 47.6 36.0 26.3 21.6


Parameters for Ti l ted Solar Panels:

Monthly Averaged Radiation Incident On An Equator-Pointed Tilted Surface

(kWh/m2/day)

Lat

45.465Lon 9.187

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecAnnualAverage
https://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_dnr_mnhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_dnr_mnhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#sol_noonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#sol_noonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#daylighthttps://eosweb.larc.nasa.gov/sse/text/definitions.html#daylighthttps://eosweb.larc.nasa.gov/sse/text/definitions.html#declinathttps://eosweb.larc.nasa.gov/sse/text/definitions.html#declinathttps://eosweb.larc.nasa.gov/sse/text/definitions.html#mx_horizonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#mx_horizonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#mx_horizonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#declinathttps://eosweb.larc.nasa.gov/sse/text/definitions.html#daylighthttps://eosweb.larc.nasa.gov/sse/text/definitions.html#sol_noonhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct_dnr_mn


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SSE HRZ 1.59 2.54 3.77 4.38 5.27 6.03 6.20 5.27 3.84 2.40 1.59 1.28 3.68

K 0.47 0.52 0.53 0.47 0.48 0.51 0.55 0.53 0.49 0.43 0.42 0.44 0.49

Diffuse 0.90 1.26 1.78 1.87 2.47 2.57 2.47 2.20 1.77 1.19 0.90 0.76 1.68

Direct 2.34 3.39 4.17 4.45 4.58 5.54 6.03 5.22 4.01 2.94 2.18 1.92 3.90

Tilt 0 1.59 2.49 3.73 4.36 5.22 6.06 6.22 5.24 3.78 2.33 1.58 1.23 3.66

Tilt 30 2.38 3.41 4.51 4.72 5.21 5.76 6.02 5.48 4.36 3.03 2.28 1.87 4.09

Tilt 45 2.61 3.62 4.58 4.56 4.84 5.25 5.53 5.21 4.35 3.16 2.47 2.05 4.02

Tilt 60 2.71 3.64 4.42 4.18 4.26 4.52 4.79 4.69 4.12 3.14 2.53 2.13 3.76

Tilt 90 2.47 3.13 3.48 2.94 2.77 2.83 3.01 3.15 3.11 2.62 2.26 1.96 2.81

OPT 2.71 3.65 4.58 4.72 5.34 6.09 6.28 5.52 4.38 3.17 2.53 2.14 4.26

OPT ANG 62.0 54.0 42.0 27.0 15.0 7.00 10.0 22.0 36.0 50.0 60.0 63.0 37.2


calculated when the clearness index (K) is below 0.3 or above 0.8.Parameter Def in iti on

Minimum Radiation Incident On An Equator-pointed Tilted Surface (kWh/m2/day)

Lat 45.465Lon 9.187


SSE MIN 1.07 1.95 2.92 2.48 3.73 4.92 5.11 4.22 3.21 1.54 1.23 1.00 2.78

K 0.32 0.39 0.41 0.26 0.34 0.42 0.45 0.42 0.41 0.27 0.32 0.34 0.36

Diffuse 0.69 1.05 1.62 n/a 2.36 2.64 2.55 2.27 1.68 n/a 0.76 0.64 n/a

Direct n/a 1.40 1.71 0.54 2.16 3.77 4.04 3.31 2.44 0.35 0.53 0.18 n/aTilt 0 n/a 1.91 2.89 n/a 3.69 4.94 5.13 4.20 3.16 n/a 1.22 0.96 n/a

Tilt 30 n/a 2.54 3.37 n/a 3.64 4.72 4.95 4.32 3.57 n/a 1.68 1.39 n/a

Tilt 45 n/a 2.68 3.38 n/a 3.40 4.30 4.56 4.09 3.54 n/a 1.79 1.51 n/a

Tilt 60 n/a 2.68 3.24 n/a 3.03 3.74 3.98 3.69 3.34 n/a 1.82 1.55 n/a

Tilt 90 n/a 2.29 2.54 n/a 2.05 2.45 2.59 2.54 2.52 n/a 1.61 1.41 n/a

OPT n/a 2.70 3.39 n/a 3.75 4.96 5.17 4.36 3.58 n/a 1.82 1.55 n/a

OPT ANG n/a 53.0 39.0 n/a 12.0 7.00 9.00 20.0 34.0 n/a 57.0 61.0 n/a

NOTE: Diffuse radiation, direct normal radiation and tilted surface radiation are notcalculated when the clearness index (K) is below 0.3 or above 0.8.


Maximum Radiation Incident On An Equator-pointed Tilted Surface (kWh/m /day)

Lat 45.465


Annual

Average
https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_tlt0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_tlt0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_esh0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_esh0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_esh0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_tlt0


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SSE MAX 2.02 3.13 4.90 6.23 6.20 6.97 7.22 6.18 4.78 3.04 1.99 1.74 4.54

K 0.60 0.64 0.69 0.67 0.56 0.60 0.64 0.62 0.61 0.54 0.53 0.60 0.61

Diffuse 1.07 1.41 2.10 2.17 2.41 2.56 2.61 2.28 1.95 1.39 1.06 0.95 1.83

Direct 4.57 5.51 6.87 n/a 6.28 6.94 7.55 6.67 6.02 n/a 3.89 4.09 n/a

Tilt 0 2.03 3.07 4.85 n/a 6.14 7.00 7.24 6.15 4.70 n/a 1.98 1.68 n/a

Tilt 30 3.17 4.31 5.97 n/a 6.16 6.66 7.02 6.48 5.53 n/a 2.94 2.66 n/a

Tilt 45 3.50 4.61 6.09 n/a 5.72 6.06 6.45 6.16 5.54 n/a 3.21 2.96 n/a

Tilt 60 3.65 4.67 5.90 n/a 5.01 5.18 5.57 5.54 5.27 n/a 3.31 3.10 n/a

Tilt 90 3.36 4.04 4.66 n/a 3.18 3.17 3.46 3.69 3.97 n/a 2.98 2.87 n/a

OPT 3.66 4.68 6.09 n/a 6.31 7.04 7.32 6.51 5.57 n/a 3.31 3.11 n/a

OPT ANG 64.0 56.0 43.0 n/a 15.0 7.00 10.0 23.0 38.0 n/a 61.0 65.0 n/a


calculated when the clearness index (K) is below 0.3 or above 0.8.Parameter Def in iti on

Parameters for Sizing Battery or other Energy-storage Systems:

Minimum Available Insolation Over A Consecutive-day Period (%)

Lat 45.465


Min/1 day 3.77 10.2 9.81 5.93 7.02 8.12 8.54 9.48 4.68 4.16 3.77 3.12

Min/3 day 18.8 11.8 13.9 18.1 20.4 31.5 32.6 24.5 22.2 6.38 11.3 13.5

Min/7 day 35.5 39.4 32.6 28.2 45.3 53.1 55.7 51.6 41.4 8.75 20.1 40.2

Min/14 day 51.5 56.9 57.5 48.4 55.1 70.2 68.7 75.1 66.4 37.9 46.6 60.6

Min/21 day 63.3 72.2 68.3 52.3 62.9 76.5 75.8 73.4 71.1 48.0 61.7 63.7

Min/Month 67.2 76.7 77.4 56.6 70.7 81.5 82.4 80.0 83.5 64.1 77.3 78.1


Parameters for Sizing Surplus-product Storage Systems:

Available Surplus Insolation Over A Consecutive-day Period (%)

Lat 45.465


Max/1 day 192 178 171 180 170 154 146 151 172 202 208 170

Max/3 day 180 172 169 174 166 147 141 149 160 197 192 164

Max/7 day 167 154 158 159 155 141 129 146 154 173 176 155

Max/14 day 149 144 145 152 144 131 126 129 139 156 149 145
https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_psh0https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_psh0https://eosweb.larc.nasa.gov/sse/text/definitions.html#mnavail1https://eosweb.larc.nasa.gov/sse/text/definitions.html#mnavail1https://eosweb.larc.nasa.gov/sse/text/definitions.html#mnavail1https://eosweb.larc.nasa.gov/sse/text/definitions.html#ret_psh0


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Max/21 day 138 129 141 148 137 122 125 125 130 145 141 142

Max/Month 128 123 130 142 118 116 116 117 124 127 125 136

Parameter Defin iti on

Cloud I nformation:

Monthly Averaged Daylight Cloud Amount (%)

Lat 45.465Lon 9.187


22-year Average 54.2 55.2 56.9 66.2 65.8 59.3 49.6 49.8 54.3 59.2 60.1 56.9 57.3


Meteorology (Temperature):

Monthly Averaged Air Temperature At 10 m Above The Surface Of The Earth (C)

Lat 45.465Lon 9.187


22-yearAverage

-1.79 -0.28 4.01 7.81 13.3 17.1 19.7 19.4 14.9 9.88 3.35 -0.42 8.99

Minimum -4.87 -3.74 0.00 3.50 8.49 11.7 14.1 14.5 10.8 6.66 0.71 -3.00 4.96

Maximum 1.84 3.89 8.83 12.3 18.3 22.3 25.3 24.7 19.5 13.5 6.35 2.59 13.3


Meteorology (Wind):

Monthly Averaged Wind Speed At 50 m Above The Surface Of The Earth (m/s)

Lat 45.465


Annual

Average

10-year Average 4.01 3.97 3.86 3.79 3.20 3.16 3.09 3.23 3.33 3.59 3.72 3.99 3.57

Minimum And Maximum Difference From Monthly Averaged Wind Speed At 50 m

(%)

Lat 45.465

Lon 9.187 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecAnnual

Average

Minimum -14 -13 -11 -14 -17 -9 -14 -11 -8 -9 -7 -17 -12

Maximum 16 16 17 13 15 6 10 12 12 9 6 13 12

I t is recommended that users of these wind

data review the SSEMethodology.The

user may wish to correct for bi ases as well

Al l height measurements are from the soil ,

water, or i ce/snow sur face instead of

" eff ective" sur face, which is usuall y taken
https://eosweb.larc.nasa.gov/sse/text/definitions.html#surplus1https://eosweb.larc.nasa.gov/sse/text/definitions.html#surplus1https://eosweb.larc.nasa.gov/sse/text/definitions.html#day_cldhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#day_cldhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#T10Mhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#T10Mhttps://eosweb.larc.nasa.gov/cgi-bin/sse/[email protected]+s06#s06https://eosweb.larc.nasa.gov/cgi-bin/sse/[email protected]+s06#s06https://eosweb.larc.nasa.gov/cgi-bin/sse/[email protected]+s06#s06https://eosweb.larc.nasa.gov/cgi-bin/sse/[email protected]+s06#s06https://eosweb.larc.nasa.gov/sse/text/definitions.html#T10Mhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#day_cldhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#surplus1


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as local effects within the selected gri d

region.

to be near the tops of vegetated canopies.

Parameter Defin iti on Units Conversion Chart

Difference Between The Average Wind Speed At 10 m Above The Surface Of TheEarth And The Average Wind speed At 50 m Above The Surface Of The Earth (%)

Vegetation type Crop: 20-m broadleaf-deciduous trees (10%) & wheat

Lat 45.465


Annual

Average

10-year

Average-35 -38 -31 -43 -43 -43 -43 -43 -43 -41 -39 -37 -40


Meteorology (Other):

Monthly Averaged Relative Humidity (%)

Lat 45.465Lon 9.187


22-year Average 76.9 71.4 65.5 64.1 60.0 56.3 54.1 57.9 62.2 72.8 77.9 77.3 66.3


Monthly Averaged Atmospheric Pressure (kPa)

Lat 45.465


Annual

Average

22-year Average 93.2 93.1 93.0 92.7 92.9 93.0 93.1 93.1 93.1 93.2 93.0 93.2 93.1


Monthly Averaged Precipitation (mm/day)

Lat 45.465


Annual

Average

22-year Average 2.50 2.39 2.25 3.51 3.46 3.59 2.93 3.24 3.57 3.73 3.61 2.68 3.12


Supporting I nformation:

Monthly Averaged Top-of-atmosphere Insolation (kWh/m /day)

Lat 45.465


Annual

Average

22-year Average 3.34 4.88 7.05 9.27 10.9 11.6 11.2 9.82 7.79 5.56 3.73 2.89 7.34
https://eosweb.larc.nasa.gov/sse/text/definitions.html#pct50m_mnhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct50m_mnhttps://eosweb.larc.nasa.gov/sse/text/wnd_spd.htmlhttps://eosweb.larc.nasa.gov/sse/text/wnd_spd.htmlhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct10m_wndhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct10m_wndhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RH10Mhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RH10Mhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#PShttps://eosweb.larc.nasa.gov/sse/text/definitions.html#PShttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RAINhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RAINhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RAINhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#PShttps://eosweb.larc.nasa.gov/sse/text/definitions.html#RH10Mhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct10m_wndhttps://eosweb.larc.nasa.gov/sse/text/wnd_spd.htmlhttps://eosweb.larc.nasa.gov/sse/text/definitions.html#pct50m_mn


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Monthly Averaged Surface Albedo (0 to 1.0)

Lat 45.465


Annual

Average

22-year Average 0.21 0.23 0.20 0.19 0.18 0.18 0.18 0.17 0.16 0.16 0.18 0.20 0.18


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Data Set

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Jr., Ph.D.

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MILAN ITALIA NASA Surface Meteorology and Solar Energy

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