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An error in the weather box template for trace precipitation or rainfall in January |
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I came across an error message when trying to create a weather box. Any box with '''|Jan precipitation inch = trace''' will give an error. The same error also appears when '''|Jan rain inch = trace'''. Snowfall and metric units are not affected. A temporary fix can be made by changing the units for January to mm or cm. Since the value is only a trace, the change is not visible to the reader and does not change the yearly sum. |
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{{User sandbox}} |
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<!-- EDIT BELOW THIS LINE --> |
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The error traces back to the code for Module:Weather_box. Lines 203 and 214 |
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'''203:'''prefer_cm = precision(_ifset('Jan precipitation inch', '0')) < 1, |
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'''214:'''prefer_cm = precision(_ifset('Jan rain inch', '0')) < 1, |
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This box has Jan precipitation inch = trace |
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{{Weather box |
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|single line = Y |
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|Jan precipitation inch = trace |
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|Feb precipitation inch = 1.00 |
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|Mar precipitation inch = 1.00 |
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|Apr precipitation inch = 1.00 |
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|May precipitation inch = 1.00 |
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|Jun precipitation inch = 1.00 |
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|Jul precipitation inch = 1.00 |
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|Aug precipitation inch = 1.00 |
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|Sep precipitation inch = 1.00 |
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|Oct precipitation inch = 1.00 |
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|Nov precipitation inch = 1.00 |
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|Dec precipitation inch = 1.00 |
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}} |
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Any other month can be a trace, as long as January is not "trace". I tried a blank entry, a short text string "cat", and numbers. Deleting the row completely also does not cause an error. "trace" is the only value I found to cause an error. |
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{{Weather box |
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|single line = Y |
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|Jan precipitation inch = 0.00 |
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|Feb precipitation inch = trace |
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|Mar precipitation inch = trace |
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|Apr precipitation inch = trace |
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|May precipitation inch = trace |
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|Jun precipitation inch = trace |
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|Jul precipitation inch = trace |
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|Aug precipitation inch = trace |
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|Sep precipitation inch = trace |
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|Oct precipitation inch = trace |
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|Nov precipitation inch = trace |
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|Dec precipitation inch = trace |
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}} |
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This box has all months as a trace, but January has units of mm. This could be used as a workaround for the rare case it is needed. |
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{{Weather box |
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|single line = Y |
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|Jan precipitation mm = trace |
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|Feb precipitation inch = trace |
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|Mar precipitation inch = trace |
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|Apr precipitation inch = trace |
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|May precipitation inch = trace |
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|Jun precipitation inch = trace |
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|Jul precipitation inch = trace |
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|Aug precipitation inch = trace |
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|Sep precipitation inch = trace |
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|Oct precipitation inch = trace |
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|Nov precipitation inch = trace |
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|Dec precipitation inch = trace |
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}} |
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The same problem happens with Jan rain inch = trace. |
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{{Weather box |
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|single line = Y |
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|Jan rain inch = trace |
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|Feb rain inch = 1.00 |
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|Mar rain inch = 1.00 |
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|Apr rain inch = 1.00 |
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|May rain inch = 1.00 |
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|Jun rain inch = 1.00 |
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|Jul rain inch = 1.00 |
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|Aug rain inch = 1.00 |
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|Sep rain inch = 1.00 |
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|Oct rain inch = 1.00 |
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|Nov rain inch = 1.00 |
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|Dec rain inch = 1.00 |
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}} |
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Other months can have trace rainfall. |
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{{Weather box |
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|single line = Y |
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|Jan rain inch = 1.00 |
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|Feb rain inch = trace |
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|Mar rain inch = trace |
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|Apr rain inch = trace |
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|May rain inch = trace |
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|Jun rain inch = trace |
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|Jul rain inch = trace |
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|Aug rain inch = trace |
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|Sep rain inch = trace |
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|Oct rain inch = trace |
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|Nov rain inch = trace |
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|Dec rain inch = trace |
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}} |
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This does not happen with trace snowfall. |
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{{Weather box |
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|single line = Y |
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|Jan snow inch = trace |
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|Feb snow inch = 1.00 |
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|Mar snow inch = 1.00 |
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|Apr snow inch = 1.00 |
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|May snow inch = 1.00 |
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|Jun snow inch = 1.00 |
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|Jul snow inch = 1.00 |
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|Aug snow inch = 1.00 |
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|Sep snow inch = 1.00 |
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|Oct snow inch = 1.00 |
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|Nov snow inch = 1.00 |
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|Dec snow inch = 1.00 |
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}} |
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This also does not happen with metric units (mm or cm). |
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{{Weather box |
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|single line = Y |
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|metric first = Y |
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|Jan rain mm = trace |
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|Feb rain mm = trace |
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|Mar rain mm = trace |
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|Apr rain mm = trace |
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|May rain mm = trace |
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|Jun rain mm = trace |
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|Jul rain mm = trace |
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|Aug rain mm = trace |
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|Sep rain mm = trace |
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|Oct rain mm = trace |
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|Nov rain mm = trace |
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|Dec rain mm = trace |
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|Jan snow mm = trace |
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|Feb snow cm = trace |
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|Mar snow cm = trace |
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|Apr snow cm = trace |
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|May snow cm = trace |
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|Jun snow cm = trace |
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|Jul snow cm = trace |
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|Aug snow cm = trace |
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|Sep snow cm = trace |
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|Oct snow cm = trace |
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|Nov snow cm = trace |
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|Dec snow cm = trace |
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|Jan precipitation mm = trace |
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|Feb precipitation mm = trace |
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|Mar precipitation mm = trace |
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|Apr precipitation mm = trace |
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|May precipitation mm = trace |
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|Jun precipitation mm = trace |
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|Jul precipitation mm = trace |
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|Aug precipitation mm = trace |
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|Sep precipitation mm = trace |
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|Oct precipitation mm = trace |
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|Nov precipitation mm = trace |
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|Dec precipitation mm = trace |
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}} |
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Latest revision as of 16:37, 5 February 2022
I came across an error message when trying to create a weather box. Any box with |Jan precipitation inch = trace will give an error. The same error also appears when |Jan rain inch = trace. Snowfall and metric units are not affected. A temporary fix can be made by changing the units for January to mm or cm. Since the value is only a trace, the change is not visible to the reader and does not change the yearly sum.
The error traces back to the code for Module:Weather_box. Lines 203 and 214
203:prefer_cm = precision(_ifset('Jan precipitation inch', '0')) < 1,
214:prefer_cm = precision(_ifset('Jan rain inch', '0')) < 1,
This box has Jan precipitation inch = trace
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation inches (cm) | trace | 1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
11 (27.5) |
| [citation needed] | |||||||||||||
Any other month can be a trace, as long as January is not "trace". I tried a blank entry, a short text string "cat", and numbers. Deleting the row completely also does not cause an error. "trace" is the only value I found to cause an error.
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation inches (mm) | 0.00 (0.00) |
trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 0 (0) |
| [citation needed] | |||||||||||||
This box has all months as a trace, but January has units of mm. This could be used as a workaround for the rare case it is needed.
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation inches (mm) | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 0 (0) |
| [citation needed] | |||||||||||||
The same problem happens with Jan rain inch = trace.
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average rainfall inches (cm) | trace | 1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
11 (27.5) |
| [citation needed] | |||||||||||||
Other months can have trace rainfall.
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average rainfall inches (mm) | 1.00 (25) |
trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 1 (25) |
| [citation needed] | |||||||||||||
This does not happen with trace snowfall.
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average snowfall inches (cm) | trace | 1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
1.00 (2.5) |
11 (27.5) |
| [citation needed] | |||||||||||||
This also does not happen with metric units (mm or cm).
| Climate data for {{{location}}} | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation mm (inches) | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 0 (0) |
| Average rainfall mm (inches) | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 0 (0) |
| Average snowfall cm (inches) | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | trace | 0 (0) |
| [citation needed] | |||||||||||||