NAME: MONTHDAYS PURPOSE: Given a year and month returns number of days in that month. CATEGORY: CALLING SEQUENCE: days = monthdays(yr,mon) INPUTS: yr = year (like 1988). in mon = month number (like 11 = Nov). in KEYWORD PARAMETERS: OUTPUTS: days = number of days in month (like 30). out COMMON BLOCKS: NOTES: Notes: If mon is 0 then return array of month days for entire year. MODIFICATION HISTORY: R. Sterner, 14 Aug, 1985. Johns Hopkins University Applied Physics Laboratory. RES 18 Sep, 1989 --- converted to SUN Copyright (C) 1985, Johns Hopkins University/Applied Physics Laboratory This software may be used, copied, or redistributed as long as it is not sold and this copyright notice is reproduced on each copy made. This routine is provided as is without any express or implied warranties whatsoever. Other limitations apply as described in the file disclaimer.txt.