0.1195 0.1205 0.1215 0.1225 0.1235 0.1245 0.1255 0.1265 0.1275 0.1285 0.1295 0.1305 0.1315 0.1325 0.1335 0.1345 0.1355 0.1365 0.1375 0.1385 0.1395 0.1405 0.1415 0.1425 0.1435 0.1445 0.1455 0.1465 0.1475 0.1485 0.1495 0.1505 0.1515 0.1525 0.1535 0.1545 0.1555 0.1565 0.1575 0.1585 0.1595 0.1605 0.1615 0.1625 0.1635 0.1645 0.1655 0.1665 0.1675 0.1685 0.1695 0.1705 0.1715 0.1725 0.1735 0.1745
E-490 W/m2/micron 6.19E-02 0.5614 4.901 1.184 4.77E-02 3.43E-02 2.88E-02 3.52E-02 2.13E-02 1.73E-02 3.99E-02 0.1206 3.98E-02 4.13E-02 0.168 4.57E-02 3.80E-02 3.09E-02 2.92E-02 3.97E-02 7.56E-02 6.08E-02 4.21E-02 4.68E-02 5.11E-02 5.09E-02 5.54E-02 7.09E-02 8.49E-02 8.20E-02 7.96E-02 8.70E-02 9.27E-02 0.1163 0.1299 0.2059 0.2144 0.1847 0.1717 0.1675 0.1754 0.1934 0.2228 0.2519 0.2841 0.2973 0.4302 0.3989 0.3875 0.4556 0.5877 0.6616 0.688 0.7252 0.7645 0.9067
S p e c tr a l Ir r a d ia n c e W * m -2 * m ic r o n -1
Wavelength, microns
Linear Plot ETR ASTM E-490 vs. Wehr 2200 2000 1800 1600 1400 1200 1000 800 600 400 200 0 0
0.5
1
1.5
2
2.5
Wavelength micrometers
0.1755 0.1765 0.1775 0.1785 0.1795 0.1805 0.1815 0.1825 0.1835 0.1845 0.1855 0.1865 0.1875 0.1885 0.1895 0.1905 0.1915 0.1925 0.1935 0.1945 0.1955 0.1965 0.1975 0.1985 0.1995 0.2005 0.2015 0.2025 0.2035 0.2045 0.2055 0.2065 0.2075 0.2085 0.2095 0.2105 0.2115 0.2125 0.2135 0.2145 0.2155 0.2165 0.2175 0.2185 0.2195 0.2205 0.2215 0.2225 0.2235 0.2245 0.2255 0.2265 0.2275 0.2285 0.2295 0.2305 0.2315
1.079 1.22 1.403 1.538 1.576 1.831 2.233 2.243 2.244 2.066 2.311 2.7 3.009 3.291 3.569 3.764 4.165 4.113 3.808 5.21 5.427 6.008 6.191 6.187 6.664 7.326 8.023 8.261 9.217 10.25 10.54 11.08 12.65 15.05 21.38 27.92 33.54 31.3 33.15 40.03 36.15 32.27 35.29 44.37 46.92 47.33 39.58 49.65 63.01 58.97 52.29 39.4 39.92 51.95 47.71 52.12 50.97
0.2325 0.2335 0.2345 0.2355 0.2365 0.2375 0.2385 0.2395 0.2405 0.2415 0.2425 0.2435 0.2445 0.2455 0.2465 0.2475 0.2485 0.2495 0.2505 0.2515 0.2525 0.2535 0.2545 0.2555 0.2565 0.2575 0.2585 0.2595 0.2605 0.2615 0.2625 0.2635 0.2645 0.2655 0.2665 0.2675 0.2685 0.2695 0.2705 0.2715 0.2725 0.2735 0.2745 0.2755 0.2765 0.2775 0.2785 0.2795 0.2805 0.2815 0.2825 0.2835 0.2845 0.2855 0.2865 0.2875 0.2885
53.26 44.74 38.97 51.42 48.59 48.44 41.96 44.12 39.56 51.48 70.6 66.53 60.97 49.39 50.4 55.5 45.65 56.38 60.1 46.01 41.55 51.55 59.57 79.3 101.8 125.4 125.1 104 85.51 89.8 103.6 165.8 249.7 252.7 249.4 250.8 243.8 238.9 267.3 224.4 197.4 196.5 132.6 175.1 242.8 233.8 159.3 85.55 94.63 208.3 294.1 313.5 235.3 163.1 322.7 336.3 322.2
0.2895 0.2905 0.2915 0.2925 0.2935 0.2945 0.2955 0.2965 0.2975 0.2985 0.2995 0.3005 0.3015 0.3025 0.3035 0.3045 0.3055 0.3065 0.3075 0.3085 0.3095 0.3105 0.3115 0.3125 0.3135 0.3145 0.3155 0.3165 0.3175 0.3185 0.3195 0.3205 0.3215 0.3225 0.3235 0.3245 0.3255 0.3265 0.3275 0.3285 0.3295 0.3305 0.3315 0.3325 0.3335 0.3345 0.3355 0.3365 0.3375 0.3385 0.3395 0.3405 0.3415 0.3425 0.3435 0.3445 0.3455
472.7 601.3 580.8 521.9 535.5 508.8 553.2 509.6 507.3 465.5 484 420 455.5 489 620.6 602.5 594.8 555.7 615 611.4 496.5 622.4 729.2 655.9 699.9 662.9 633 633.2 773.9 664.9 710.5 805.1 699.5 688.6 661.3 760.8 875.8 979.5 952.7 917.6 1061 1016 965.7 954.9 921.6 958.9 943.4 809.5 841.8 921.5 958.1 1007 923.8 993 950.6 795.7 939.2
0.3465 0.3475 0.3485 0.3495 0.3505 0.3515 0.3525 0.3535 0.3545 0.3555 0.3565 0.3575 0.3585 0.3595 0.3605 0.3615 0.3625 0.3635 0.3645 0.3655 0.3665 0.3675 0.3685 0.3695 0.3705 0.3715 0.3725 0.3735 0.3745 0.3755 0.3765 0.3775 0.3785 0.3795 0.3805 0.3815 0.3825 0.3835 0.3845 0.3855 0.3865 0.3875 0.3885 0.3895 0.3905 0.3915 0.3925 0.3935 0.3945 0.3955 0.3965 0.3975 0.3985 0.3995 0.4005 0.4015 0.4025
926.4 901.7 897.2 889.8 1050 979.5 907.9 1033 1111 1045 912.3 796 693.6 991.1 970.8 878.1 997.8 996.9 1013 1152 1233 1180 1101 1226 1139 1175 1054 920.2 900.4 1062 1085 1282 1327 1066 1202 1082 791.3 684.1 959.7 1008 1007 1004 984.3 1174 1247 1342 1019 582.3 1026 1314 854.5 928.8 1522 1663 1682 1746 1759
0.4035 0.4045 0.4055 0.4065 0.4075 0.4085 0.4095 0.4105 0.4115 0.4125 0.4135 0.4145 0.4155 0.4165 0.4175 0.4185 0.4195 0.4205 0.4215 0.4225 0.4235 0.4245 0.4255 0.4265 0.4275 0.4285 0.4295 0.4305 0.4315 0.4325 0.4335 0.4345 0.4355 0.4365 0.4375 0.4385 0.4395 0.4405 0.4415 0.4425 0.4435 0.4445 0.4455 0.4465 0.4475 0.4485 0.4495 0.4505 0.4515 0.4525 0.4535 0.4545 0.4555 0.4565 0.4575 0.4585 0.4595
1684 1674 1667 1589 1628 1735 1715 1532 1817 1789 1756 1737 1734 1842 1665 1684 1701 1757 1797 1582 1711 1767 1695 1698 1569 1587 1475 1135 1686 1646 1731 1670 1723 1929 1806 1567 1825 1713 1931 1980 1909 1973 1821 1891 2077 1973 2027 2144 2109 1941 1970 1979 2034 2077 2100 1971 2009
0.4605 0.4615 0.4625 0.4635 0.4645 0.4655 0.4665 0.4675 0.4685 0.4695 0.4705 0.4715 0.4725 0.4735 0.4745 0.4755 0.4765 0.4775 0.4785 0.4795 0.4805 0.4815 0.4825 0.4835 0.4845 0.4855 0.4865 0.4875 0.4885 0.4895 0.4905 0.4915 0.4925 0.4935 0.4945 0.4955 0.4965 0.4975 0.4985 0.4995 0.5005 0.5015 0.5025 0.5035 0.5045 0.5055 0.5065 0.5075 0.5085 0.5095 0.5105 0.5115 0.5125 0.5135 0.5145 0.5155 0.5165
2040 2055 2104 2040 1976 2042 1921 2015 1994 1990 1877 2018 2041 1991 2051 2016 1956 2075 2009 2076 2035 2090 2023 2019 1969 1830 1625 1830 1914 1960 2007 1896 1896 1888 2058 1926 2017 2018 1866 1970 1857 1812 1894 1934 1869 1993 1961 1906 1919 1916 1947 1997 1867 1861 1874 1900 1669
0.5175 0.5185 0.5195 0.5205 0.5215 0.5225 0.5235 0.5245 0.5255 0.5265 0.5275 0.5285 0.5295 0.5305 0.5315 0.5325 0.5335 0.5345 0.5355 0.5365 0.5375 0.5385 0.5395 0.5405 0.5415 0.5425 0.5435 0.5445 0.5455 0.5465 0.5475 0.5485 0.5495 0.5505 0.5515 0.5525 0.5535 0.5545 0.5555 0.5565 0.5575 0.5585 0.5595 0.5605 0.5615 0.5625 0.5635 0.5645 0.5655 0.5665 0.5675 0.5685 0.5695 0.5705 0.5715 0.5725 0.5735
1726 1654 1828 1831 1906 1823 1894 1958 1930 1674 1828 1897 1918 1952 1963 1770 1923 1858 1990 1871 1882 1904 1832 1769 1881 1825 1879 1879 1901 1879 1833 1863 1895 1862 1871 1846 1882 1898 1897 1821 1846 1787 1808 1843 1824 1850 1861 1854 1798 1829 1887 1810 1860 1769 1823 1892 1876
0.5745 0.5755 0.5765 0.5775 0.5785 0.5795 0.5805 0.5815 0.5825 0.5835 0.5845 0.5855 0.5865 0.5875 0.5885 0.5895 0.5905 0.5915 0.5925 0.5935 0.5945 0.5955 0.5965 0.5975 0.5985 0.5995 0.6005 0.6015 0.6025 0.6035 0.6045 0.6055 0.6065 0.6075 0.6085 0.6095 0.6105 0.6115 0.6125 0.6135 0.6145 0.6155 0.6165 0.6175 0.6185 0.6195 0.6205 0.6215 0.6225 0.6235 0.6245 0.6255 0.6265 0.6275 0.6285 0.6295 0.631
1867 1830 1846 1857 1783 1828 1838 1853 1873 1857 1860 1783 1830 1848 1750 1612 1813 1787 1808 1796 1773 1782 1805 1780 1757 1774 1746 1751 1719 1787 1776 1763 1759 1757 1743 1744 1703 1746 1705 1683 1713 1713 1609 1707 1724 1707 1734 1690 1713 1666 1656 1632 1697 1697 1697 1677 1639
0.633 0.635 0.637 0.639 0.641 0.643 0.645 0.647 0.649 0.651 0.653 0.655 0.657 0.659 0.661 0.663 0.665 0.667 0.669 0.671 0.673 0.675 0.677 0.679 0.681 0.683 0.685 0.687 0.689 0.691 0.693 0.695 0.697 0.699 0.701 0.703 0.705 0.707 0.709 0.711 0.713 0.715 0.717 0.719 0.721 0.723 0.725 0.727 0.729 0.731 0.733 0.735 0.737 0.739 0.741 0.743 0.745
1651 1656 1654 1651 1614 1621 1627 1603 1558 1606 1599 1532 1384 1549 1571 1555 1560 1535 1546 1516 1521 1510 1508 1498 1492 1479 1455 1467 1461 1448 1448 1436 1416 1425 1386 1388 1415 1400 1384 1385 1373 1366 1354 1328 1331 1348 1350 1346 1319 1326 1318 1309 1307 1278 1258 1286 1279
0.747 0.749 0.751 0.753 0.755 0.757 0.759 0.761 0.763 0.765 0.767 0.769 0.771 0.773 0.775 0.777 0.779 0.781 0.783 0.785 0.787 0.789 0.791 0.793 0.795 0.797 0.799 0.801 0.803 0.805 0.807 0.809 0.811 0.813 0.815 0.817 0.819 0.821 0.823 0.825 0.826 0.828 0.83 0.832 0.834 0.836 0.838 0.84 0.842 0.844 0.846 0.848 0.85 0.852 0.854 0.856 0.858
1283 1270 1262 1259 1255 1248 1240 1237 1241 1221 1185 1203 1204 1208 1188 1196 1187 1187 1176 1180 1177 1174 1158 1143 1134 1152 1135 1142 1129 1115 1120 1095 1114 1115 1107 1104 1063 1080 1073 1075 1080 1081 1063 1051 1041 1052 1044 1040 1036 1024 1028 1023 966 996.1 878 975.5 1005
0.86 0.862 0.864 0.866 0.868 0.87 0.872 0.874 0.876 0.878 0.88 0.882 0.884 0.886 0.888 0.89 0.892 0.894 0.896 0.898 0.9 0.902 0.904 0.906 0.908 0.91 0.912 0.914 0.916 0.918 0.92 0.922 0.924 0.926 0.928 0.93 0.932 0.934 0.936 0.938 0.94 0.942 0.944 0.946 0.948 0.95 0.952 0.954 0.956 0.958 0.96 0.962 0.964 0.966 0.968 0.97 0.972
996.9 994.9 999.3 886.2 939.5 974.7 983.3 971.3 964 974.9 955.4 951.1 957.9 938.3 944.3 953 939.4 933.2 938.7 933.9 915.8 891.6 928.5 917.6 902.5 891.6 896.7 907.1 900.4 895.1 890.8 863 858.5 861.2 876.9 867.7 865.1 864.1 854.7 858 843.8 825 832.4 837.5 840.7 836.9 831.7 808 808.2 818.8 815.1 808.9 801.3 794.7 796.9 795.9 793.6
0.974 0.976 0.978 0.98 0.982 0.984 0.986 0.988 0.99 0.992 0.994 0.996 0.998 1 1.002 1.004 1.006 1.008 1.01 1.012 1.014 1.016 1.018 1.02 1.022 1.024 1.026 1.028 1.03 1.032 1.034 1.036 1.038 1.04 1.042 1.044 1.046 1.048 1.05 1.052 1.054 1.056 1.058 1.06 1.062 1.064 1.066 1.068 1.07 1.072 1.074 1.076 1.078 1.08 1.082 1.084 1.086
781.5 782.5 777.9 774.6 776.4 769.8 766.1 761.5 754.1 756.7 755.6 752.5 751 747.9 746.9 726.1 713.6 733.5 731.3 726.2 721 713.9 710.7 704.1 702.1 705.4 702.7 698.9 693.7 690.5 681.7 684 677.2 676.1 674.6 671.4 660 664.4 662.2 658.6 654.9 655.7 645.1 641.5 643.8 645.9 639.5 631.7 624.1 632.6 627.6 628 627.2 624.7 609.9 618 620.8
1.088 1.09 1.092 1.094 1.096 1.098 1.1 1.102 1.104 1.106 1.108 1.11 1.112 1.114 1.116 1.118 1.12 1.122 1.124 1.126 1.128 1.13 1.132 1.134 1.136 1.138 1.14 1.142 1.144 1.146 1.148 1.15 1.152 1.154 1.156 1.158 1.16 1.162 1.164 1.166 1.168 1.17 1.172 1.174 1.176 1.178 1.18 1.182 1.184 1.186 1.188 1.19 1.192 1.194 1.196 1.198 1.2
610.3 619.9 615.9 584.9 598.3 596.1 604.2 593.2 597.4 594.5 591.6 590.6 584.3 584.4 583.1 581.5 574.1 579.6 576.9 565.5 570 565.3 567.8 563.8 565.8 556.9 553 553.1 551.4 554.8 552.5 548.9 545.8 547.9 545.5 543.5 532 532.5 533.2 530.3 531.2 527.6 531.5 527.3 518.4 519 523.9 515.9 510.3 518.7 507.5 508.5 516.1 514.5 508.4 494.3 500.3
1.202 1.204 1.206 1.208 1.21 1.212 1.214 1.216 1.218 1.22 1.222 1.224 1.226 1.228 1.23 1.232 1.234 1.236 1.238 1.24 1.242 1.244 1.246 1.248 1.25 1.252 1.254 1.256 1.258 1.26 1.262 1.264 1.266 1.268 1.27 1.272 1.274 1.276 1.278 1.28 1.282 1.284 1.286 1.288 1.29 1.292 1.294 1.296 1.298 1.3 1.302 1.304 1.306 1.308 1.31 1.312 1.314
506.8 494.8 503.9 489 488.2 493.3 494.2 493 489.7 487.5 485.4 484.6 481.7 477.1 479.2 475 472.9 471.9 470.3 465.3 464.2 461.9 463.5 463.3 462.4 457.1 457.4 455.1 453.3 453 449.7 447.8 446.7 441.7 445.3 445.2 443.1 445.1 444 435.6 401.4 425.9 432.8 431.4 425.5 425.4 422.3 422.4 418.4 418.6 413.9 411.1 413.6 412.3 410.6 403.3 402.2
1.316 1.318 1.32 1.322 1.324 1.326 1.328 1.33 1.332 1.334 1.336 1.338 1.34 1.342 1.344 1.346 1.348 1.35 1.352 1.354 1.356 1.358 1.36 1.362 1.364 1.366 1.368 1.37 1.372 1.374 1.376 1.378 1.38 1.382 1.384 1.386 1.388 1.39 1.392 1.394 1.396 1.398 1.4 1.402 1.404 1.406 1.408 1.41 1.412 1.414 1.416 1.418 1.42 1.422 1.424 1.426 1.428
397.9 401.7 401.6 398.6 398.1 394.9 390.8 387.8 386.3 389.2 386.6 383.2 379 380.5 379.8 377.2 376.6 372.4 374.2 372.2 367.5 368.8 367.3 367.7 365.7 365.7 362.8 359.9 362.1 361.1 356.1 358 357.9 354.5 354.7 353.2 353 350.6 351.3 348.8 348.7 349.2 342.7 343.9 342.8 343.1 342.7 341.8 334.8 337.7 338.5 338.6 335.7 331.5 331.1 328.1 328.5
1.43 1.432 1.434 1.436 1.438 1.44 1.442 1.444 1.446 1.448 1.45 1.452 1.454 1.456 1.458 1.46 1.462 1.464 1.466 1.468 1.47 1.472 1.474 1.476 1.478 1.48 1.482 1.484 1.486 1.488 1.49 1.492 1.494 1.496 1.498 1.5 1.502 1.504 1.506 1.508 1.51 1.512 1.514 1.516 1.518 1.52 1.522 1.524 1.526 1.528 1.53 1.532 1.534 1.536 1.538 1.54 1.542
325.7 330 328.4 328.5 328.3 318.8 318.6 319.7 321.6 321.6 318.7 315.4 314.3 313.1 316.7 315.6 312.1 310.5 310.8 311.4 310.2 307.3 303.4 304.8 304.4 306.8 304.4 303.9 303.3 285.5 301.5 301.8 303.3 297.2 299.4 301.1 292.4 279.9 284.8 291.9 294.7 291.3 288.3 288.2 288.4 286.6 282.4 283.5 284.6 284.6 276.5 282.3 278.4 280.6 277.3 273 275.3
1.544 1.546 1.548 1.55 1.552 1.554 1.556 1.558 1.56 1.562 1.564 1.566 1.568 1.57 1.572 1.574 1.576 1.578 1.58 1.582 1.584 1.586 1.588 1.59 1.592 1.594 1.596 1.598 1.6 1.602 1.604 1.606 1.608 1.61 1.612 1.614 1.616 1.618 1.62 1.622 1.624 1.626 1.628 1.63 1.632 1.634 1.636 1.638 1.64 1.642 1.644 1.646 1.648 1.65 1.652 1.654 1.656
277.8 277.2 271.1 271.3 273.1 267.6 267.1 268.9 268.3 269.7 266.9 265.4 263.3 264.5 267.3 261 253.6 254.7 265 259 259.1 259.9 249 240.5 252.6 258.3 250.6 254.5 251.2 248.9 249.7 247.7 249.1 240 243 244.9 237.4 242.3 236.9 238.3 241.6 240.2 241.8 239.3 238.7 235.9 235.7 227.4 226.2 226.6 227.8 229.4 229.2 227.2 226.8 226.2 226
1.658 1.66 1.662 1.664 1.666 1.668 1.67 1.672 1.674 1.676 1.678 1.68 1.682 1.684 1.686 1.688 1.69 1.692 1.694 1.696 1.698 1.7 1.702 1.704 1.706 1.708 1.71 1.712 1.714 1.716 1.718 1.72 1.722 1.724 1.726 1.728 1.73 1.732 1.734 1.736 1.738 1.74 1.742 1.744 1.746 1.748 1.75 1.752 1.754 1.756 1.758 1.76 1.762 1.764 1.766 1.768 1.77
225.2 224.5 224.6 222.7 221.2 219.3 222.5 217.3 219.3 216.1 216.8 208 205.4 212.9 213.1 212 210.5 212.3 211.2 210 208.9 206.3 204.7 205.2 205 201.7 201.3 198.2 203.7 202.2 201 199.3 197.5 195.4 198.2 197.1 198.4 193.6 187.4 182.7 186.3 190.5 190.2 190.7 186.7 187.2 185.8 185 185.6 184.9 184.3 183.1 179.3 180.7 181.7 180.2 179.1
1.772 1.774 1.776 1.778 1.78 1.782 1.784 1.786 1.788 1.79 1.792 1.794 1.796 1.798 1.8 1.802 1.804 1.806 1.808 1.81 1.812 1.814 1.816 1.818 1.82 1.822 1.824 1.826 1.828 1.83 1.832 1.834 1.836 1.838 1.84 1.842 1.844 1.846 1.848 1.85 1.852 1.854 1.856 1.858 1.86 1.862 1.864 1.866 1.868 1.87 1.872 1.874 1.876 1.878 1.88 1.882 1.884
179.4 179.2 176.3 174.7 175.6 174.7 173.5 173.9 174.7 173.3 172.1 170.9 170.6 170.3 169.9 167.2 168.8 168.8 168.5 168.6 167.5 165.8 160.5 152 159.6 159.8 162.4 162.8 161.1 160.6 159.3 158.5 158.1 156.2 156.2 154 154.1 153.5 151 154.6 153.4 152.5 150.9 152.5 150.3 150.4 150.9 149.4 149.2 150.8 147.3 140.1 129.9 144.1 146.2 147.4 146.4
1.886 1.888 1.89 1.892 1.894 1.896 1.898 1.9 1.902 1.904 1.906 1.908 1.91 1.912 1.914 1.916 1.918 1.92 1.922 1.924 1.926 1.928 1.93 1.932 1.934 1.936 1.938 1.94 1.942 1.944 1.946 1.948 1.95 1.952 1.954 1.956 1.958 1.96 1.962 1.964 1.966 1.968 1.97 1.972 1.974 1.976 1.978 1.98 1.982 1.984 1.986 1.988 1.99 1.992 1.994 1.996 1.998
143.9 145.3 142.4 140.8 139.6 137.3 139 139.7 140.9 138.6 139 137.7 137.8 135.4 137 136 135.3 133.3 135 134.1 134.4 132.2 131.3 130.8 132 132.8 132.1 129.9 129.4 120.3 119.2 127.1 126.1 125.5 128.6 127.6 127.1 126.1 124 122.2 123.1 124 123.9 121.3 120.8 122.4 119.4 119.6 120.5 119.7 117.8 119.5 119.8 118 116.2 117.3 115.9
2 2.002 2.004 2.006 2.008 2.01 2.012 2.014 2.016 2.018 2.02 2.022 2.024 2.026 2.028 2.03 2.032 2.034 2.036 2.038 2.04 2.042 2.044 2.046 2.048 2.05 2.052 2.054 2.056 2.058 2.06 2.062 2.064 2.066 2.068 2.07 2.072 2.074 2.076 2.078 2.08 2.082 2.084 2.086 2.088 2.09 2.092 2.094 2.096 2.098 2.1 2.102 2.104 2.106 2.108 2.11 2.112
117 116.1 114.8 114.7 115.4 114.9 114.5 113.8 113.7 113.4 111.6 110.7 111.6 111.5 110.7 108.6 109.8 109.2 108.3 106.4 107.8 107.6 107.6 107.1 106.3 105.9 104.7 104.6 104.6 104 102.8 102.3 100.5 102.5 101.9 100.3 100.4 100.9 100.6 100 98.78 98.64 97.72 98.52 98.35 97.88 95.67 95.93 95.8 96.2 96.06 95.77 95.59 95.74 95.13 93.96 94.52
2.114 2.116 2.118 2.12 2.122 2.124 2.126 2.128 2.13 2.132 2.134 2.136 2.138 2.14 2.142 2.144 2.146 2.148 2.15 2.152 2.154 2.156 2.158 2.16 2.162 2.164 2.166 2.168 2.17 2.172 2.174 2.176 2.178 2.18 2.182 2.184 2.186 2.188 2.19 2.192 2.194 2.196 2.198 2.2 2.202 2.204 2.206 2.208 2.21 2.212 2.214 2.216 2.218 2.22 2.222 2.224 2.226
94.36 93.31 93.11 92.75 92.75 91.89 92.08 92.25 92.09 92.1 91.55 90.12 91.1 90.83 90.64 90.06 89.39 89.79 89.57 89.13 88.78 88.74 88.42 87.81 86.86 84.56 78.49 83 85.57 85.91 85.92 85.32 84.25 84.97 84.25 84.57 84.65 82.77 83.04 83.77 83.49 83.18 82.99 82.65 82.3 82.11 79.66 79.66 80.8 81.05 80.72 79.94 79.7 79.97 79.62 79.26 78.11
2.228 2.23 2.232 2.234 2.236 2.238 2.24 2.242 2.244 2.246 2.248 2.25 2.252 2.254 2.256 2.258 2.26 2.262 2.264 2.266 2.268 2.27 2.272 2.274 2.276 2.278 2.28 2.282 2.284 2.286 2.288 2.29 2.292 2.294 2.296 2.298 2.3 2.302 2.304 2.306 2.308 2.31 2.312 2.314 2.316 2.318 2.32 2.322 2.324 2.326 2.328 2.33 2.332 2.334 2.336 2.338 2.34
78.26 78.31 78.15 78.02 77.58 76.48 76.39 76.42 76.24 76.12 75.2 75.41 75.12 74.02 74.22 74.41 74.21 72.99 73.29 73.15 73.27 72.97 72.77 72.52 72.39 72.42 71.65 70.07 71.25 71.24 71.27 71.1 70.67 69.2 69.08 69.19 69.53 69.55 69.31 69.23 69.01 68.7 68.67 68.26 67.79 67.45 67.68 66.75 65.36 65.59 66.29 66.16 65.84 65.71 65.36 64.96 65.2
2.342 2.344 2.346 2.348 2.35 2.352 2.354 2.356 2.358 2.36 2.362 2.364 2.366 2.368 2.37 2.372 2.374 2.376 2.378 2.38 2.382 2.384 2.386 2.388 2.39 2.392 2.394 2.396 2.398 2.4 2.402 2.404 2.406 2.408 2.41 2.412 2.414 2.416 2.418 2.42 2.422 2.424 2.426 2.428 2.43 2.432 2.434 2.436 2.438 2.44 2.442 2.444 2.446 2.448 2.45 2.452 2.454
65.39 65.09 64.86 64.72 64.53 62.89 62.39 62.82 62.66 63.08 63.05 62.95 62.84 62.63 62.11 62.07 60.66 61.64 61.92 61.72 60.98 58.85 59.08 60.04 60.29 60.08 60.03 59.96 59.89 59.44 59.65 59.45 59.19 59.15 59.02 58.94 57.34 55.99 57.48 57.7 57.67 57.26 57.17 57.12 57.12 57.02 56.41 56.18 55.99 56.39 56.17 56.03 54.98 54.57 54.62 54.32 54.55
2.456 2.458 2.46 2.462 2.464 2.466 2.468 2.47 2.472 2.474 2.476 2.478 2.48 2.482 2.484 2.486 2.488 2.49 2.492 2.494 2.496 2.498 2.5 2.52 2.54 2.56 2.58 2.6 2.62 2.64 2.66 2.68 2.7 2.72 2.74 2.76 2.78 2.8 2.82 2.84 2.86 2.88 2.9 2.92 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 3.1 3.12 3.14 3.16 3.18
53.7 53.92 54.57 54.42 54.35 54.05 53.9 52.85 53.3 53.13 53.43 53.03 51.77 51.4 52.19 51.6 51.69 52.25 51.98 51.75 51.52 51.54 51.55 49.84 48.14 46.72 45.5 44.57 43.05 42.11 40.79 39.68 38.67 37.63 36.63 35.46 34.68 33.85 32.97 32.09 31.19 30.32 29.69 28.9 28.17 27.5 26.82 26.12 25.47 24.65 24.22 23.64 23.06 22.46 21.98 21.44 20.96
3.2 3.22 3.24 3.26 3.28 3.3 3.32 3.34 3.36 3.38 3.4 3.42 3.44 3.46 3.48 3.5 3.52 3.54 3.56 3.58 3.6 3.62 3.64 3.66 3.68 3.7 3.72 3.74 3.76 3.78 3.8 3.82 3.84 3.86 3.88 3.9 3.92 3.94 3.96 3.98 4 4.02 4.04 4.06 4.08 4.1 4.12 4.14 4.16 4.18 4.2 4.22 4.24 4.26 4.28 4.3 4.32
20.48 20 19.51 19.07 18.58 18.02 17.68 17.37 16.97 16.59 16.15 15.84 15.54 15.2 14.86 14.56 14.25 13.93 13.62 13.34 13.07 12.81 12.51 12.22 11.93 11.62 11.45 11.08 10.96 10.78 10.57 10.38 10.19 9.983 9.782 9.599 9.427 9.233 9.032 8.857 8.669 8.557 8.385 8.217 8.054 7.894 7.739 7.587 7.439 7.294 7.153 7.015 6.881 6.749 6.621 6.496 6.374
4.34 4.36 4.38 4.4 4.42 4.44 4.46 4.48 4.5 4.52 4.54 4.56 4.58 4.6 4.62 4.64 4.66 4.68 4.7 4.72 4.74 4.76 4.78 4.8 4.82 4.84 4.86 4.88 4.9 4.92 4.94 4.96 4.98 5 5.05 5.1 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5 5.55 5.6 5.65 5.7 5.75 5.8 5.85 5.9 5.95 6 6.05 6.1 6.15
6.254 6.138 6.024 5.913 5.804 5.698 5.594 5.492 5.393 5.296 5.201 5.108 5.018 4.929 4.842 4.757 4.674 4.593 4.514 4.436 4.36 4.285 4.212 4.141 4.071 4.003 3.936 3.87 3.806 3.743 3.681 3.621 3.562 3.504 3.394 3.267 3.146 3.03 2.92 2.815 2.715 2.619 2.527 2.439 2.355 2.275 2.198 2.124 2.054 1.986 1.921 1.859 1.799 1.742 1.687 1.634 1.583
6.2 6.25 6.3 6.35 6.4 6.45 6.5 6.55 6.6 6.65 6.7 6.75 6.8 6.85 6.9 6.95 7 7.05 7.1 7.15 7.2 7.25 7.3 7.35 7.4 7.45 7.5 7.55 7.6 7.65 7.7 7.75 7.8 7.85 7.9 7.95 8 8.05 8.1 8.15 8.2 8.25 8.3 8.35 8.4 8.45 8.5 8.55 8.6 8.65 8.7 8.75 8.8 8.85 8.9 8.95 9
1.534 1.487 1.442 1.399 1.357 1.317 1.278 1.24 1.204 1.17 1.136 1.104 1.073 1.043 1.014 0.9862 0.9592 0.9331 0.908 0.8836 0.8601 0.8374 0.8154 0.7942 0.7736 0.7537 0.7344 0.7158 0.6977 0.6802 0.6633 0.6469 0.631 0.6156 0.6006 0.5862 0.5721 0.5585 0.5453 0.5324 0.52 0.5079 0.4961 0.4847 0.4737 0.4629 0.4525 0.4423 0.4324 0.4228 0.4135 0.4044 0.3956 0.387 0.3787 0.3706 0.3627
9.05 9.1 9.15 9.2 9.25 9.3 9.35 9.4 9.45 9.5 9.55 9.6 9.65 9.7 9.75 9.8 9.85 9.9 9.95 10 11 12 13 14 15 16 17 18 19 20 25 30 35 40 50 60 80 100 120 150 200 250 300 400 1000
0.355 0.3475 0.3402 0.3331 0.3262 0.3195 0.3129 0.3065 0.3003 0.2942 0.2883 0.2825 0.2769 0.2714 0.2661 0.2608 0.2558 0.2508 0.246 0.2412 0.1635 0.1152 8.34E-02 6.19E-02 4.69E-02 3.61E-02 2.83E-02 2.25E-02 1.81E-02 1.47E-02 6.05E-03 2.93E-03 1.58E-03 9.31E-04 3.83E-04 1.85E-04 5.88E-05 2.42E-05 1.17E-05 4.81E-06 1.53E-06 6.28E-07 2.95E-07 1.01E-07 3.38E-09
ETR ASTM E-490 vs. Wehrli WMO
1.5
2
2.5
Wavelength micrometers
3
3.5
4