prop means maxdec=2 n mean std stderr; 
classes season centype; 
var pwoth pwevi previ phowa poven; 
pwevi*date 
toven*date 
poven*date 
thowa*date 
phowa*date; 
endsas; 
var site date t500_5 t505_10 t5010_20 t990_5 
t995_10 t9910_20 r500_5 r505_10 r5010_20 r990_5 
r995_10 r9910_20 w500_5 w505_10 w5Oi0p_2O w990_5 
w995_10 w9910_20 o500_5 o505_10 o5010_20 o990_5 
o995_10 o9910_20 h500_5 h505_10 h5010_20 h990_5 
h995_10 h9910_20 totsp0_5 asp5_10 aspl0_20 totalsp 
nopa kewa seta acfl; 
