Prompt Solar Geophysical Data Format

Copyright WDC C1 for STP at RAL.

Data Format

The only applicable units are nT for the data values. This data starts in 1932.

  FieldName   Dim  Type  Width  Dec  Null  Units   Description
  ----------  ---  ----  -----  ---  ----  ------  ------------------------
  Date          3  S         4    -    -1       -  Date with 4 digit year
  R             1  S         3    -   -99       -  Monthly mean Sunspot Number
  S_R           1  C         1    -             -  Status code of R
  R_12          1  S         3    -   -99       -  12 month running mean of R
  S_R_12        1  C         1    -             -  Status code of R(12)
  Flux          1  S         3    -   -99       -  10.7cm Radio Flux
  S_Flux        1  C         1    -             -  Status code of Flux
  Flux_12       1  S         3    -   -99       -  12 month running mean of Flux
  S_Flux_12     1  C         1    -             -  Status code of Flux(12)
  IF2           1  S         3    -   -99       -  IF2 index
  S_IF2         1  C         1    -             -  Status code of IF2
  IF2_12        1  S         3    -   -99       -  12 month running mean of IF2
  S_IF2_12      1  C         1    -             -  Status code of IF2(12)
  IG            1  S         3    -   -99       -  IG index
  S_IG          1  C         1    -             -  Status code of IG
  IG_12         1  S         3    -   -99       -  12 month running mean of IG
  S_IG_12       1  C         1    -             -  Status code of IG(12)

The status code refers to whether the value is

   (F)orecast,
   (P)rovisional, or
   ( ) Final.

Field Types

  Code  Data Type                     Storage
  ----  ----------------------------  -------
     C  CHARACTER                     1 byte
     P  DOUBLE PRECISION REAL         8 bytes
     R  REAL                          4 bytes
     I  INTEGER                       4 bytes
     S  SMALL INTEGER                 2 bytes
     B  BYTE (unsigned integer 0-255) 1 byte