This is an old revision of the document!
Filter file (include stations in WMO block 01 with temperature between -10 and 0.5 only):
D: 001001 I2.2 01 TA >= -10 TA < 0.5
Output:
wmonr=01167 TA=-7.7 RR_12=0.0 wmonr=01245 TA=-6.8 RR_12=3.2 wmonr=01121 TA=-3.0 wmonr=01360 TA=-6.2 RR_12=0.0 ...