  TABLE 3 ESTIMATES OF 13-MONTH SMOOTH SOLAR ACTIVITY FOR
  BALANCE OF CYCLE 25 WITH A MEAN CYCLE GIVEN FOR CYCLE 26

    TIME         10.7 CM SOLAR FLUX   (F10.7)      GEOMAGNETIC INDEX   (Ap)
                         PERCENTILE                    PERCENTILE
                  95.0%       50%      5.0%     95.0%       50%      5.0% 

 2020.0837   FEB    70.1      69.8      69.4       5.8       5.6       5.3
 2020.1670   MAR    71.1      70.2      69.4       5.9       5.5       5.2
 2020.2503   APR    72.2      70.5      69.5       6.0       5.5       4.9
 2020.3337   MAY    73.2      70.9      69.4       6.1       5.5       4.9
 2020.4170   JUN    74.9      71.4      69.6       6.4       5.6       4.7
 2020.5003   JUL    76.2      72.0      69.4       6.9       5.6       4.4
 2020.5837   AUG    77.5      72.7      69.5       7.4       5.6       4.3
 2020.6670   SEP    79.5      73.5      69.6       7.6       5.6       4.1
 2020.7503   OCT    82.1      74.4      69.5       7.7       5.8       4.1
 2020.8337   NOV    86.3      75.5      69.6       7.9       6.0       4.2
 2020.9170   DEC    90.2      76.7      69.6       8.0       6.0       4.4
 2021.0003   JAN    93.3      78.1      69.4       8.0       5.9       4.2
 2021.0837   FEB    97.9      79.7      69.2       7.9       5.9       3.9
 2021.1670   MAR   103.1      81.5      69.2       8.0       5.8       3.8
 2021.2503   APR   108.4      83.4      68.7       8.2       5.8       3.2
 2021.3337   MAY   114.9      85.5      68.2       9.1       5.9       3.0
 2021.4170   JUN   122.3      87.7      68.1       9.9       6.1       2.9
 2021.5003   JUL   128.2      90.0      68.5      10.0       6.2       2.9
 2021.5837   AUG   132.3      92.6      69.3       9.9       6.3       2.9
 2021.6670   SEP   136.1      95.2      69.7       9.4       6.4       2.9
 2021.7503   OCT   140.0      97.8      69.8       8.9       6.4       3.1
 2021.8337   NOV   144.5     100.5      70.6       8.3       6.3       3.3
 2021.9170   DEC   149.5     103.3      71.8       8.3       6.4       3.4
 2022.0003   JAN   156.1     106.2      72.3       9.2       6.6       3.8
 2022.0837   FEB   162.7     109.1      73.2      10.4       7.0       4.7
 2022.1670   MAR   170.4     112.0      74.5      10.8       7.5       5.2
 2022.2503   APR   177.3     114.9      75.8      10.7       7.9       5.5
 2022.3337   MAY   181.8     118.0      77.5      10.9       8.2       5.7
 2022.4170   JUN   184.1     120.9      78.9      11.5       8.4       5.5
 2022.5003   JUL   185.6     123.3      80.7      12.1       8.5       5.1
 2022.5837   AUG   188.2     125.3      82.0      12.3       8.7       4.9
 2022.6670   SEP   192.9     127.5      82.8      12.8       9.0       5.1
 2022.7503   OCT   199.0     129.9      83.6      13.7       9.4       5.3
 2022.8337   NOV   203.8     132.3      82.6      14.3       9.6       4.9
 2022.9170   DEC   206.9     134.4      82.8      14.6       9.6       4.5
 2023.0003   JAN   210.9     136.3      83.3      14.5       9.9       4.1
 2023.0837   FEB   215.1     138.1      84.2      14.1      10.2       3.9
 2023.1670   MAR   217.3     139.6      85.3      13.8      10.2       3.8
 2023.2503   APR   218.5     141.1      87.3      14.1      10.1       3.8
 2023.3337   MAY   220.3     142.2      88.3      14.9      10.0       3.5
 2023.4170   JUN   221.9     142.9      87.7      15.0      10.0       3.4
 2023.5003   JUL   224.5     143.6      86.6      14.7      10.1       3.9
 2023.5837   AUG   227.4     143.9      86.3      14.6      10.3       4.5
 2023.6670   SEP   228.5     144.2      86.9      14.2      10.3       4.8
 2023.7503   OCT   227.2     144.5      87.9      13.6      10.1       4.9
 2023.8337   NOV   226.6     144.7      89.7      13.5      10.1       5.0
 2023.9170   DEC   227.4     144.8      91.7      13.5      10.2       5.1
 2024.0003   JAN   227.1     144.3      93.0      13.1      10.0       5.0
 2024.0837   FEB   224.1     143.2      93.9      12.9       9.9       5.3
 2024.1670   MAR   220.5     142.5      94.9      12.7       9.6       5.6
 2024.2503   APR   217.0     142.3      95.8      12.7       9.1       5.5
 2024.3337   MAY   215.9     142.6      96.8      12.9       9.0       5.4
 2024.4170   JUN   216.1     143.0      98.0      13.9       9.0       5.1
 2024.5003   JUL   215.6     143.1      99.4      14.9       9.1       5.1
 2024.5837   AUG   214.0     142.9     100.3      15.4       9.2       5.5
 2024.6670   SEP   211.9     142.6     100.7      16.2       9.2       5.6
 2024.7503   OCT   210.4     142.2     101.5      16.3       9.2       5.3
 2024.8337   NOV   209.6     142.1     100.9      15.8       9.4       5.6
 2024.9170   DEC   210.0     141.8      99.9      15.8       9.4       5.7
 2025.0003   JAN   208.9     141.1      99.7      15.0       9.4       5.9
 2025.0837   FEB   206.9     140.0     100.1      13.3       9.4       5.6
 2025.1670   MAR   204.0     138.5     100.0      13.3       9.6       5.6
 2025.2503   APR   201.6     136.9      99.3      13.7      10.0       5.8
 2025.3337   MAY   198.8     135.4      98.1      14.0      10.2       6.0
 2025.4170   JUN   194.6     134.1      97.5      15.1      10.6       6.7
 2025.5003   JUL   190.7     132.8      97.2      16.0      10.8       7.1
 2025.5837   AUG   187.0     131.1      96.8      16.8      10.7       6.9
 2025.6670   SEP   183.0     129.3      96.9      17.2      10.7       7.1
 2025.7503   OCT   180.2     127.9      97.3      17.6      11.0       7.2
 2025.8337   NOV   177.3     126.8      96.8      17.6      11.0       7.1
 2025.9170   DEC   174.6     125.7      96.7      16.9      11.0       6.9
 2026.0003   JAN   171.3     124.2      96.8      15.9      11.0       6.7
 2026.0837   FEB   167.6     122.4      95.5      14.6      11.1       6.6
 2026.1670   MAR   165.0     121.3      94.6      14.1      11.5       7.1
 2026.2503   APR   162.6     120.3      92.8      14.7      11.9       7.6
 2026.3337   MAY   160.4     119.0      90.8      15.3      12.1       8.4
 2026.4170   JUN   157.0     117.5      90.2      15.5      12.2       8.2
 2026.5003   JUL   152.3     115.8      90.1      15.1      12.4       8.4
 2026.5837   AUG   147.5     114.2      89.3      15.8      12.5       8.9
 2026.6670   SEP   143.2     112.7      88.2      17.2      12.6       9.2
 2026.7503   OCT   139.1     110.8      86.9      18.0      12.7       9.9
 2026.8337   NOV   135.3     108.9      85.9      18.4      13.0       9.2
 2026.9170   DEC   132.8     107.2      85.7      18.2      13.2       9.0
 2027.0003   JAN   130.2     105.6      85.5      18.2      13.4       8.7
 2027.0837   FEB   127.3     104.0      85.0      18.2      13.5       8.3
 2027.1670   MAR   126.2     102.6      85.0      18.3      13.4       8.1
 2027.2503   APR   126.3     101.2      84.6      18.8      13.3       8.1
 2027.3337   MAY   126.2      99.8      83.2      19.1      13.0       7.8
 2027.4170   JUN   125.9      98.3      81.4      19.5      12.8       6.8
 2027.5003   JUL   125.4      96.9      80.3      19.9      12.3       5.8
 2027.5837   AUG   124.2      95.8      78.9      20.2      11.9       5.5
 2027.6670   SEP   123.5      94.7      78.0      20.5      11.7       5.3
 2027.7503   OCT   122.4      93.6      77.4      20.8      11.7       5.3
 2027.8337   NOV   120.4      92.8      77.2      20.5      11.4       5.1
 2027.9170   DEC   118.2      91.8      76.6      19.7      11.1       5.1
 2028.0003   JAN   116.5      90.7      75.7      18.8      11.0       5.3
 2028.0837   FEB   115.7      89.7      74.8      18.1      10.9       5.7
 2028.1670   MAR   114.7      88.9      73.8      17.9      11.2       6.0
 2028.2503   APR   112.2      88.0      73.4      17.6      11.3       5.4
 2028.3337   MAY   108.6      86.9      73.1      17.5      11.5       4.9
 2028.4170   JUN   106.3      85.9      72.7      17.3      11.8       5.0
 2028.5003   JUL   104.2      85.1      72.4      17.8      12.0       5.5
 2028.5837   AUG   102.6      84.3      72.3      18.2      11.9       6.0
 2028.6670   SEP   101.2      83.4      72.1      18.4      11.9       6.4
 2028.7503   OCT    99.1      82.4      71.8      18.6      11.7       6.4
 2028.8337   NOV    96.9      81.4      71.5      18.4      11.7       6.6
 2028.9170   DEC    95.8      80.7      71.4      18.2      11.9       6.8
 2029.0003   JAN    95.2      80.1      71.3      17.9      12.2       7.1
 2029.0837   FEB    93.9      79.5      71.2      17.3      12.4       7.3
 2029.1670   MAR    91.7      78.7      70.9      16.5      12.4       7.3
 2029.2503   APR    89.9      77.9      70.5      16.7      12.1       7.1
 2029.3337   MAY    88.4      77.3      70.2      16.7      11.8       7.0
 2029.4170   JUN    86.9      76.6      70.1      16.7      11.6       6.6
 2029.5003   JUL    85.7      76.1      70.0      16.8      11.5       6.1
 2029.5837   AUG    85.0      75.7      69.9      17.0      11.7       6.0
 2029.6670   SEP    83.6      75.2      69.8      17.4      11.7       6.3
 2029.7503   OCT    81.9      74.7      69.4      17.4      11.6       6.6
 2029.8337   NOV    80.1      74.2      69.4      17.1      11.5       6.6
 2029.9170   DEC    79.2      73.5      69.2      16.8      11.2       6.4
 2030.0003   JAN    78.1      72.9      68.8      15.7      10.7       6.4
 2030.0837   FEB    77.1      72.3      68.4      14.2      10.1       6.3
 2030.1670   MAR    76.5      71.9      68.1      12.9       9.7       6.2
 2030.2503   APR    76.3      71.6      68.1      13.0       9.4       6.1
 2030.3337   MAY    76.0      71.2      68.0      12.7       9.0       6.0
 2030.4170   JUN    75.6      70.9      67.9      12.4       8.7       5.9
 2030.5003   JUL    74.9      70.6      67.5      12.2       8.5       5.7
 2030.5837   AUG    73.9      70.3      67.3      11.9       8.3       5.3
 2030.6670   SEP    72.9      70.0      67.1      11.1       8.0       4.7
 2030.7503   OCT    72.5      69.8      66.9      10.6       7.8       4.2
 2030.8337   NOV    72.3      69.6      66.9      10.4       7.6       3.9
 2030.9170   DEC    72.4      69.6      66.9      10.4       7.7       3.9
 2031.0003   JAN    72.6      69.8      66.9      10.7       7.8       3.8
 2031.0837   FEB    73.4      70.1      67.0      11.1       8.0       3.9
 2031.1670   MAR    74.3      70.5      67.2      11.2       8.2       3.8
 2031.2503   APR    75.1      70.9      67.2      11.5       8.4       3.6
 2031.3337   MAY    76.3      71.3      67.4      11.7       8.5       3.4
 2031.4170   JUN    78.0      71.9      67.5      11.9       8.7       3.4
 2031.5003   JUL    79.5      72.6      67.7      12.0       8.9       3.4
 2031.5837   AUG    80.9      73.4      67.8      12.4       9.1       3.3
 2031.6670   SEP    83.2      74.2      68.0      12.8       9.5       3.4
 2031.7503   OCT    86.2      75.2      68.1      13.2       9.9       3.7
 2031.8337   NOV    90.9      76.4      68.4      13.8      10.3       4.2
 2031.9170   DEC    95.1      77.8      68.5      14.6      10.6       4.5
 2032.0003   JAN    98.5      79.4      68.5      15.7      10.9       4.7
 2032.0837   FEB   103.6      81.1      68.5      16.1      11.1       4.8
 2032.1670   MAR   109.2      83.1      68.5      16.3      11.3       5.0
 2032.2503   APR   115.2      85.2      68.4      16.9      11.4       5.1
 2032.3337   MAY   122.0      87.5      68.6      18.0      11.6       5.3
 2032.4170   JUN   130.1      89.9      68.7      18.9      11.9       5.4
 2032.5003   JUL   136.6      92.5      69.0      19.1      12.1       5.6
 2032.5837   AUG   141.4      95.3      69.3      19.2      12.3       5.8
 2032.6670   SEP   145.9      98.1      69.4      19.0      12.6       6.0
 2032.7503   OCT   150.4     100.9      69.6      18.6      12.7       6.1
 2032.8337   NOV   155.4     103.7      70.1      18.5      12.7       6.1
 2032.9170   DEC   160.9     106.7      70.8      18.9      12.8       6.1
 2033.0003   JAN   166.3     109.8      71.0      18.8      12.9       6.3
 2033.0837   FEB   171.1     113.0      71.4      17.8      13.0       6.5
 2033.1670   MAR   177.2     116.2      71.7      17.9      13.2       6.7
 2033.2503   APR   184.3     119.3      72.3      18.4      13.4       7.1
 2033.3337   MAY   189.1     122.6      73.1      19.1      13.7       7.0
 2033.4170   JUN   192.1     125.6      73.5      19.6      14.2       7.0
 2033.5003   JUL   195.2     128.1      74.3      20.3      14.5       7.1
 2033.5837   AUG   198.1     130.2      74.9      20.3      14.5       7.2
 2033.6670   SEP   203.0     132.5      75.3      20.3      14.6       7.7
 2033.7503   OCT   208.8     135.1      75.8      20.5      14.7       8.1
 2033.8337   NOV   213.0     137.6      76.2      20.8      14.8       8.0
 2033.9170   DEC   215.9     139.9      76.5      21.2      14.8       8.0
 2034.0003   JAN   219.7     141.9      76.5      21.3      14.6       8.4
 2034.0837   FEB   223.3     143.7      76.5      21.4      14.6       8.6
 2034.1670   MAR   224.8     145.3      76.8      21.6      14.6       8.4
 2034.2503   APR   225.6     146.8      77.3      22.0      14.5       8.4
 2034.3337   MAY   228.0     147.9      77.8      22.7      14.4       8.6
 2034.4170   JUN   230.3     148.7      78.5      22.4      14.1       8.6
 2034.5003   JUL   233.0     149.3      79.8      21.3      13.8       8.5
 2034.5837   AUG   235.9     149.6      80.6      20.6      13.7       8.3
 2034.6670   SEP   237.0     149.9      81.6      20.1      13.6       8.0
 2034.7503   OCT   234.9     150.2      83.1      19.7      13.5       7.6
 2034.8337   NOV   232.6     150.3      84.6      19.6      13.5       7.5
 2034.9170   DEC   233.6     150.3      86.2      19.3      13.5       7.8
 2035.0003   JAN   234.0     149.6      87.0      19.1      13.7       7.7
 2035.0837   FEB   231.8     148.5      88.2      18.9      13.9       7.6
 2035.1670   MAR   228.8     147.7      89.8      18.9      14.0       7.5
 2035.2503   APR   225.5     147.5      90.9      19.5      13.9       7.2
 2035.3337   MAY   224.0     147.8      93.0      20.4      14.0       7.1
 2035.4170   JUN   225.0     148.2      94.3      22.0      14.4       7.1
 2035.5003   JUL   224.9     148.2      95.7      23.4      14.7       7.1
 2035.5837   AUG   223.7     148.0      96.0      24.0      14.9       7.3
 2035.6670   SEP   222.8     147.6      95.6      25.1      15.1       7.3
 2035.7503   OCT   222.5     147.2      95.5      25.7      15.3       7.0
 2035.8337   NOV   222.1     147.0      97.0      24.9      15.3       7.1
 2035.9170   DEC   221.5     146.6      97.8      24.8      15.3       6.7
 2036.0003   JAN   220.9     145.8      97.3      24.0      15.3       6.3
 2036.0837   FEB   218.8     144.6      96.5      22.2      15.3       6.1
 2036.1670   MAR   215.7     143.1      96.4      22.5      15.5       6.3
 2036.2503   APR   213.2     141.4      96.9      23.2      15.7       6.5
 2036.3337   MAY   210.6     140.0      96.4      23.2      15.7       6.7
 2036.4170   JUN   206.4     138.7      95.7      22.7      15.7       7.1
 2036.5003   JUL   203.6     137.2      96.3      22.0      15.6       7.6
 2036.5837   AUG   202.2     135.5      97.2      21.9      15.7       7.7
 2036.6670   SEP   198.5     133.5      96.3      22.7      15.9       8.1
 2036.7503   OCT   194.7     131.8      94.6      23.6      16.2       8.7
 2036.8337   NOV   192.8     130.4      93.8      23.8      16.4       8.9
 2036.9170   DEC   191.1     129.2      93.6      23.8      16.6       9.3
 2037.0003   JAN   187.6     127.5      91.8      23.8      16.6       9.7
 2037.0837   FEB   183.5     125.7      88.5      23.4      16.6      10.1
 2037.1670   MAR   179.5     124.4      88.0      22.5      16.5      10.5
 2037.2503   APR   175.8     123.3      88.7      22.7      16.4      10.7
 2037.3337   MAY   173.5     121.9      87.3      22.9      16.5      11.5
 2037.4170   JUN   171.4     120.3      86.3      23.0      16.6      11.7
 2037.5003   JUL   167.1     118.5      85.7      22.4      16.7      11.9
 2037.5837   AUG   160.7     116.7      84.9      21.5      16.5      11.9
 2037.6670   SEP   155.0     115.0      83.7      21.2      16.3      11.7
 2037.7503   OCT   151.3     113.1      82.7      21.7      16.1      11.4
 2037.8337   NOV   148.8     111.2      82.3      21.7      16.1      11.5
 2037.9170   DEC   146.2     109.6      82.2      22.1      16.1      11.4
 2038.0003   JAN   143.2     108.0      82.0      22.5      16.2      11.2
 2038.0837   FEB   139.6     106.4      81.0      22.3      16.2      11.0
 2038.1670   MAR   135.9     104.8      80.6      22.3      16.0      10.8
 2038.2503   APR   132.4     103.4      80.6      22.7      15.8      10.7
 2038.3337   MAY   128.4     101.8      80.0      22.9      15.5      10.6
 2038.4170   JUN   123.3     100.2      79.1      23.4      15.3      10.3
 2038.5003   JUL   119.4      98.7      77.7      24.0      15.0      10.1
 2038.5837   AUG   118.5      97.5      75.6      24.7      14.9      10.1
 2038.6670   SEP   118.7      96.3      74.6      25.3      14.8      10.1
 2038.7503   OCT   119.2      95.2      74.1      25.4      14.8      10.5
 2038.8337   NOV   119.5      94.3      73.8      25.3      14.7      10.4
 2038.9170   DEC   118.8      93.3      73.5      24.8      14.5      10.2
 2039.0003   JAN   117.3      92.1      73.1      23.9      14.3      10.0
 2039.0837   FEB   115.7      91.0      72.7      23.0      14.1       9.4
 2039.1670   MAR   113.5      90.0      72.0      22.5      14.2       8.8
 2039.2503   APR   110.0      89.0      71.4      22.1      14.2       8.1
 2039.3337   MAY   105.8      87.8      71.1      21.8      14.3       7.5
 2039.4170   JUN   103.2      86.8      70.8      21.4      14.5       7.4
 2039.5003   JUL   101.6      85.9      70.6      20.8      14.4       7.7
 2039.5837   AUG   100.1      85.1      70.6      20.0      14.3       8.1
 2039.6670   SEP    98.1      84.1      70.4      20.0      14.1       8.5
 2039.7503   OCT    96.5      83.0      69.9      20.2      13.9       8.5
 2039.8337   NOV    94.6      82.0      69.6      19.8      13.7       8.5
 2039.9170   DEC    93.5      81.3      69.5      19.4      13.6       8.4
 2040.0003   JAN    93.1      80.6      69.5      18.9      13.6       8.4
 2040.0837   FEB    92.3      80.0      69.3      18.2      13.6       8.1
 2040.1670   MAR    91.2      79.2      69.2      17.3      13.5       7.7
 2040.2503   APR    90.3      78.5      68.8      17.3      13.3       7.1
 2040.3337   MAY    89.5      77.8      68.6      17.4      13.2       6.8
 2040.4170   JUN    88.4      77.2      68.4      17.5      13.1       6.6
 2040.5003   JUL    87.4      76.6      68.4      17.5      12.9       6.5
 2040.5837   AUG    86.6      76.1      68.5      17.7      12.9       6.6
 2040.6670   SEP    85.2      75.6      68.5      18.0      12.7       6.5
 2040.7503   OCT    83.9      75.1      68.5      17.9      12.6       6.4
 2040.8337   NOV    82.0      74.6      68.4      17.6      12.3       6.4
 2040.9170   DEC    79.9      73.9      68.3      17.3      12.0       6.2
 2041.0003   JAN    78.4      73.2      68.0      16.3      11.7       6.1
 2041.0837   FEB    77.5      72.6      67.8      14.9      11.2       6.0
 2041.1670   MAR    77.0      72.1      67.7      13.8      10.9       6.1
 2041.2503   APR    76.9      71.8      67.6      13.9      10.5       6.2
 2041.3337   MAY    76.6      71.5      67.5      13.6      10.2       6.2
 2041.4170   JUN    76.5      71.1      67.3      13.2       9.8       6.0
 2041.5003   JUL    76.1      70.8      67.1      12.9       9.5       5.9
 2041.5837   AUG    75.1      70.5      67.1      12.6       9.3       5.8
 2041.6670   SEP    74.2      70.2      67.0      11.9       9.1       5.7
 2041.7503   OCT    74.0      70.0      67.0      11.4       8.9       5.2
