| Symbol | Description | Uses |
| iTyear1 | 6 |
| File | Line number | Procedure | Code |
| ./pkg/exf/exf_zenithangle.F | 106 | EXF_ZENITHANGLE |
iTyear1= 1 + 365.*TYEAR |
| ./pkg/exf/exf_zenithangle.F | 107 | EXF_ZENITHANGLE |
wTyear1= iTyear1 - 365.*TYEAR |
| ./pkg/exf/exf_zenithangle.F | 108 | EXF_ZENITHANGLE |
iTyear2= iTyear1 + 1 |
| ./pkg/exf/exf_zenithangle.F | 124 | EXF_ZENITHANGLE |
& wTyear1*wLat1*zen_albedo_table(iTyear1,iLat1)+ |
| ./pkg/exf/exf_zenithangle.F | 125 | EXF_ZENITHANGLE |
& wTyear1*wLat2*zen_albedo_table(iTyear1,iLat2)+ |
| ./pkg/exf/exf_zenithangle.F | 41 | EXF_ZENITHANGLE |
INTEGER iLat1,iLat2,iTyear1,iTyear2 |