Table 2 Example of Meteorological variables for Register types USSS-316 with units and abbreviations: barometer, thermometer, cloud and wind, precipitation, humidty and weather remarks.
Variable grouping (Field group) | Variables observed (Fields) | Modern equivalent | Original unit | SI unit | Abbreviation |
|---|---|---|---|---|---|
Barometer | Barometer Observed | Station pressure | inHg | hPa | p |
Barometer Observed Daily Mean | Station pressure mean | inHg | hPa | p_mean | |
Barometer Attached Thermometer | Barometer Attached Thermometer | °F | °C | atb | |
Barometer Correction and reduction | — | — | — | — | |
Barometer Corrected for Temperature | Barometer Corrected | inHg | hPa | pcor | |
Barometer Corrected Mean | in Hg | hPa | pcor_mean | ||
Mean Sea Level Pressure | Mean Sea Level Pressure | inHg | hPa | mslp | |
Thermometer | Thermometer Open Air | Air temperature | °F | °C | ta |
Thermometer Open Air Corrected | Air temperature corrected for index error | °F | °C | ta_cor | |
Thermometer Open Air Daily Mean | Air temperature mean | °F | °C | ta_mean | |
Thermometer Open Air Daily Range | Air temperature range | °F | °C | ta_range | |
Minimum temperature | Minimum temperature | °F | °C | Tn | |
Minimum Temperature Corrected | Minimum temperature corrected for index error | °F | °C | Tn_cor | |
Maximum Temperature | Maximum temperature | °F | °C | Tx | |
Maximum Temperature Corrected | Maximum temperature corrected for index error | °F | °C | Tx_cor | |
Min Thermometer on Grass | Grass thermometer | °F | °C | Tng | |
Thermometer in Sun | Blackbulb Thermometer | °F | °C | Txs | |
Cloud | Cloud Amount | Cloud cover | tenths | oktas | n |
Lower Cloud Amount | Lower Cloud cover | tenths | oktas | n | |
Upper Cloud Amount | Upper Cloud cover | tenths | oktas | nh | |
Cloud Kind | Cloud type | Abbreviated cloud name | International cloud atlas code | c | |
Cloud Kind Lower | Cloud type lower | Abbreviated cloud name | International cloud atlas code | cl | |
Cloud Kind Upper | Cloud type upper | Abbreviated cloud name | International cloud atlas code | ch | |
Cloud Direction | Cloud direction | Cardinal direction | Compass degrees | cd | |
Upper Clouds Course/ Direction | — | Cardinal direction | Compass degrees | hd | |
Cloud Velocity | scale | scale | cv | ||
Upper Cloud Velocity | scale | scale | hv | ||
Wind | Wind Direction | Wind direction | Cardinal direction | Compass degrees | dd |
Wind Force | Wind speed | Smithsonian scale (Sm) | m/s | w | |
Wind Force | Wind speed | Beaufort scale (Bf) | m/s | w | |
Wind Force | Wind speed | Pounds per square inch (lbs/ft2) | m/s | w | |
Wind Velocity | Wind speed | Miles per hour (mi/hr) | m/s | w | |
Wind Velocity Mean | Wind speed mean | Miles per hour (mi/hr) | m/s | w_mean | |
Anemometer | Wind speed | Miles per hour (mi/hr) | m/s | w_anem | |
Anemometer 24 hours | Wind distance run in 24 hours | Miles | m | w_anem_24 | |
Precipitation | Precipitation (Rain Snow) Time Begin | — | Hour:minute | — | ptb |
Rain Time Begin | — | Hour:minute | — | rtb | |
Snow Time Begin | — | Hour:minute | — | stb | |
Precipitation (Rain Snow) Time End | — | Hour:minute | — | pte | |
Rain Time End | — | Hour:minute | — | rte | |
Snow Time End | — | Hour:minute | — | ste | |
Precipitation Duration | — | Hour:minute | — | pr_dur | |
Rain Duration | — | Hour:minute | — | rr_dur | |
Snowfall Duration | — | Hour:minute | — | sd_dur | |
Precipitation Type | Precipitation Type | text | text | pr_type | |
Precipitation (Rain Snow) Amount | Precipitation amount | Inches | Rain: mm Snow: mm | pr | |
Rain amount | Rain | Inches | mm | pr | |
Depth Snow | Depth of snow | inches | cm | sd | |
Snow Equivalent | Snow water equivalent | inches | cm | swe | |
Humidity | Psychrometer Dry Bulb | Dry bulb | °F | °C | tdb |
Psychrometer Dry Bulb Corrected | Dry bulb corrected | °F | °C | tdb_cor | |
Psychrometer Dry Bulb Daily Mean | Dry bulb mean | °F | °C | tdb_mean | |
Psychrometer Wet Bulb | Wet bulb | °F | °C | tb | |
Psychrometer Wet Bulb Corrected | Wet bulb corrected for index error | °F | °C | tb_cor | |
Difference wet-dry bulb | Difference wet-dry bulb | °F | °C | diff | |
Wet Bulb Minimum | Wet bulb Minimum | °F | °C | tbn | |
Wet Bulb Maximum | Wet bulb Maximum | °F | °C | tbx | |
Relative Humidity | Relative humidity | % | % | rh | |
Relative Humidity Daily mean | Relative humidity mean | % | % | rh_mean | |
Dew Point | Dewpoint temperature | °F | °C | td | |
Dew Point Daily Range | Dewpoint temperature range | °F | °C | td_range | |
Vapour | Vapour Tension/Force of Vapour | Vapour pressure | inHg | hPa | e |
Force of Vapour Mean | Vapour pressure mean | inHg | hPa | e_mean | |
Evaporation | Evaporation | Evaporation | in | mm | eee |
Remarks | Weather | Manual Observation | Synoptic weather (manual observation mno) | Synoptic code | ww |
Remarks | Manual Observation | Synoptic weather (manual observation mno) | Synoptic code | ww | |
Daily Weather Remarks/Average Weather | Manual Observation | Synoptic weather (manual observation mno) | Synoptic code | ww | |
Phenomena at Observation | Casual Phenomena | Synoptic weather (manual observation mno) | Synoptic code | ww | |
Casual Phenomena | Casual Phenomena | Synoptic weather (manual observation mno) | Synoptic code | ww | |
Weather Since Last Observation | Manual Observation | Synoptic weather (manual observation mno) | Synoptic code | w1 | |
Phenomena Since Last Observation | Manual Observation | Synoptic weather (manual observation mno) | Synoptic code | w1 | |
aurora | — | au |
