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Basic Climate Data Explanation
Key to daily columns: (midnight to midnight Local Standard Time)
Observed Columns
| Date |
- Day of month. |
| High Temp |
- Maximum temperature for the day |
| Low Temp |
- Minimum temperature for the day |
| Mean Temp |
- Average daily temperature |
| Pcpn |
- Precipitation amount for the day (liquid equivalent) |
| Snow Snfl |
- Snowfall amount for the day (includes sleet, hail, and glaze) |
| Snow Depth |
- Snow depth (taken at 1200 Universal Coordinated Time) |
| HDD |
- Heating Degree Days |
| CDD |
- Cooling Degree Days |
Normals Columns
| High Temp |
- Normal High Temperature for this date |
| Low Temp |
- Normal Low temperature for this date |
| Mean Temp |
- Normal Mean Temperature for this date |
| Pcpn |
- Normal Precipitation for this date |
| Snow Snfl |
- Normal Snowfall for this date |
| HDD |
- Normal Heating Degree Days for this date |
| CDD |
- Normal cooling degree days for this date |
Miscellaneous
| MTD |
- Month to Date...average temp, precip, etc for the Month |
| STD |
- Season to Date...average temp, precip, etc for the Season |
| YTD |
- Year to Date...average temp, precip, etc for the Year |
| DPT |
- Departure from normal (- is below normal, + is above normal) |
| M or MM |
- Data is Missing |
| T |
- A Trace of precipitation has been received |
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