Monthly Weather Data Log Key

Sittel Field, Bellevue, NE

Sample daily entry:

DAY  HIGH  LOW    PREC  RSZLTH  HI/DIR  PRV  WRUN  HRAD  OTHER INFO
---  ----  ----  -----  ------  ------  ---  ----  ----  -------------
 06  36.9+ 12.5-  0.01  -S----  27/NNW  NNW   218+  545+ 0.1" of snow grains
 A    B     C      D      E       F      G     H     I        J

A. Day of the month
B. Daily high temperature (degrees F).  A plus at the end
   indicates this value was the highest recorded for that field
   during the month.
C. Daily low temperature (degrees F).  A minus at the end
   indicates this value was the lowest recorded for that field
   during the month.
D. Precipitation (inches).  Melted liquid value is listed when 
   precipitation fell as solid.  A plus at the end indicates 
   this value was the highest recorded for that field during 
   the month.
E. RSZLTH codes refer to the occurrence of rain (R), snow (S),
   freezing rain (Z), sleet (L), thunderstorm (T) or hail (H)
   during that day.  A dash indicates that the particular event
   did NOT occur on that day (i.e., the only weather that occurred
   on the day are those letters which appear in that field)
F. Peak wind gust (in mph) and the direction of the gust.
G. Prevailing wind direction during the day.
H. Wind run for the day, in miles.  A plus at the end indicates
   this was the highest value for the month.
I. Highest solar radiation (in W/m2) during the day.  A plus at 
   the end indicates this was the highest value for the month.
J. Other info details a day's weather events in text and may 
   include the following abbreviations:

   FFWarn    - Flash Flood Warning
   HWWarn    - High Wind Warning
   STWatch   - Severe Thunderstorm Watch
   STWarn    - Severe Thunderstorm Warning
   TOWatch   - Tornado Watch
   TOWarn    - Tornado Warning
   WSWarn    - Winter Storm Warning
   WSWatch   - Winter Storm Watch
   WWAdv     - Winter Weather Advisory

Average Max/Min (Dep.):  40.9 (+9.2)/ 20.1 (+8.5)   

Values in parentheses refer to the departures of the monthly 
average high and low temperatures from the normals at 
Omaha's Eppley Airfield.

Max/Min Temperatures  :   66.5 (26) /    2.9 (03)   

Integer values in parentheses refers to the day of the month 
on which the extreme occurred.