0 0 MEAN WIND SPEED OVER 10-MINUTES PERIOD OBSERVED OR RECORDED EQUAL TO OR MORE THAN 10 M/S
1 1 MEAN WIND SPEED OVER 10-MINUTES PERIOD OBSERVED OR RECORDED EQUAL TO OR MORE THAN 20 M/S
2 2 MEAN WIND SPEED OVER 10-MINUTES PERIOD OBSERVED OR RECORDED EQUAL TO OR MORE THAN 30 M/S
3 3 MAXIMUM TEMPERATURE LESS THAN 273.2 K
4 4 MAXIMUM TEMPERATURE EQUAL TO OR MORE THAN 298.2 K
5 5 MAXIMUM TEMPERATURE EQUAL TO OR MORE THAN 303.2 K
6 6 MAXIMUM TEMPERATURE EQUAL TO OR MORE THAN 308.2 K
7 7 MAXIMUM TEMPERATURE EQUAL TO OR MORE THAN 313.2 K
8 8 MINIMUM TEMPERATURE LESS THAN 273.2 K
9 9 MAXIMUM TEMPERATURE EQUAL TO OR MORE THAN 273.2 K
10 10 PRECIPITATION EQUAL TO OR MORE THAN   1.0 KG/M**2
11 11 PRECIPITATION EQUAL TO OR MORE THAN   5.0 KG/M**2
12 12 PRECIPITATION EQUAL TO OR MORE THAN  10.0 KG/M**2
13 13 PRECIPITATION EQUAL TO OR MORE THAN  50.0 KG/M**2
14 14 PRECIPITATION EQUAL TO OR MORE THAN 100.0 KG/M**2
15 15 PRECIPITATION EQUAL TO OR MORE THAN 150.0 KG/M**2
16 16 SNOW DEPTH MORE THAN 0.0 M
17 17 SNOW DEPTH MORE THAN 0.01 M
18 18 SNOW DEPTH MORE THAN 0.10 M
19 19 SNOW DEPTH MORE THAN 0.50 M
20 20 HORIZONTAL VISIBILITY LESS THAN   50 M
21 21 HORIZONTAL VISIBILITY LESS THAN  100 M
22 22 HORIZONTAL VISIBILITY LESS THAN 1000 M
23 23 HAIL
24 24 THUNDERSTORM
31 31 MISSING VALUE
