Available Variables

TMAX - Max Air Temp at 1.5 m [F] - daily max (day of occurrence), daily min (day of occurrence), daily avg, bad obs days
TMIN - Min Air Temp at 1.5 m [F] - daily max (day), daily min (day), daily avg, bad obs days
TAVG - Avg Air Temp at 1.5 m [F] - daily max (day), daily min (day), daily avg, bad obs days
DMAX - Max Dew Point Temp [F] - daily max (day), daily min (day), daily avg, bad obs days
DMIN - Min Dew Point Temp [F] - daily max (day), daily min (day), daily avg, bad obs days
DAVG - Avg Dew Point Temp [F] - daily max (day), daily min (day), daily avg, bad obs days
VDEF - Vapor Deficit [mb] - daily max (day), daily min (day), daily avg, bad obs days
SMAX - Max Soil Temp at 10 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
SMIN - Min Soil Temp at 10 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
SAVG - Avg Soil Temp at 10 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
BMAX - Max Soil Temp at 10 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
BMIN - Min Soil Temp at 10 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
BAVG - Avg Soil Temp at 10 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
S5MX - Max Soil Temp at 5 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
S5MN - Min Soil Temp at 5 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
S5AV - Avg Soil Temp at 5 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
B5MX - Max Soil Temp at 5 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
B5MN - Min Soil Temp at 5 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
B5AV - Avg Soil Temp at 5 cm under Bare Soil [F] - daily max (day), daily min (day), daily avg, bad obs days
S3MX - Max Soil Temp at 30 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
S3MN - Min Soil Temp at 30 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
S3AV - Avg Soil Temp at 30 cm under Native Sod [F] - daily max (day), daily min (day), daily avg, bad obs days
HMAX - Max Relative Humidity [pct] - daily max (day), daily min (day), daily avg, bad obs days
HMIN - Min Relative Humidity [pct] - daily max (day), daily min (day), daily avg, bad obs days
HAVG - Avg Relative Humidity [pct] - daily max (day), daily min (day), daily avg, bad obs days
PMAX - Max Station Pressure [mb] - daily max (day), daily min (day), daily avg, bad obs days
PMIN - Min Station Pressure [mb] - daily max (day), daily min (day), daily avg, bad obs days
PAVG - Avg Station Pressure [mb] - daily max (day), daily min (day), daily avg, bad obs days
MSLP - Avg Sea-Level Pressure [mb] - daily max (day), daily min (day), daily avg, bad obs days
AMAX - Max Solar Radiation [W/m2] - daily max (day), daily min (day), daily avg, bad obs days
ATOT - Daily Solar Radiation [MJ] - daily max (day), daily min (day), daily avg, bad obs days
WSMX - Max Wind Speed [mph] - daily max (day), daily min (day), daily avg, bad obs days
WSMN - Min Wind Speed [mph] - daily max (day), daily min (day), daily avg, bad obs days
WSAV - Avg Wind Speed [mph] - daily max (day), daily min (day), daily avg, bad obs days
WDEV - Avg Std Deviation of Wind Direction [degrees] - daily max (day), daily min (day), daily avg, bad obs days
WMAX - Max Wind Gust [mph] - daily max (day), daily min (day), daily avg, bad obs days
RAIN - Rainfall [in] - daily max (day), daily min (day), daily avg, bad obs days
RNUM - Number of 5-Minute Rainy Periods - daily max (day), daily min (day), daily avg, bad obs days
RMAX - Max Rainfall Rate [in/hr] - daily max (day), daily min (day), daily avg, bad obs days
9AVG - Avg Air Temp at 9 m [F] - daily max (day), daily min (day), daily avg, bad obs days
2MAX - Max Wind Speed at 2 m [mph] - daily max (day), daily min (day), daily avg, bad obs days
2MIN - Min Wind Speed at 2 m [mph] - daily max (day), daily min (day), daily avg, bad obs days
2AVG - Avg Wind Speed at 2 m [mph] - daily max (day), daily min (day), daily avg, bad obs days
2DEV - Standard Deviation Wind Speed at 2 m [mph] - daily max (day), daily min (day), daily avg, bad obs days
HDEG - Heating Degree-Days [65 F baseline] - daily max (day), daily min (day), daily avg, bad obs days
CDEG - Cooling Degree-Days [65 F baseline] - daily max (day), daily min (day), daily avg, bad obs days
RTOT - Cumulative Monthly Rainfall [in], bad obs days
RPDS - Cumulative Monthly 5-Minute Rainy Periods, bad obs days
REXC - Number of Rainfall Exceedance days (0.02", 0.10", 0.25", 0.50", 1.00"), bad obs days
PDIR - Monthly Primary Wind Direction [16 pt compass] and frequency [pct]
PDIR - Monthly Secondary Wind Direction [16 pt compass] and frequency [pct]
HTOT - Cumulative Heating Degree-Days [65 F baseline], bad obs days
CTOT - Cumulative Cooling Degree-Days [65 F baseline], bad obs days
Variable Description

Wind Direction: The wind direction is represented as a digit between 0 and 16 and corresponds to a 16-point compass, as designated in the following table.
 
Number Direction from which the wind is blowing
0 calm wind
1 N
2 NNE
3 NE
4 ENE
5 E
6 ESE
7 SE
8 SSE
9 S
10 SSW
11 SW
12 WSW
13 W
14 WNW
15 NW
16 NNW