In the US, the number of record minimums has exceeded the number of record maximums so far in 2013 – and the ratio is the highest since 1997.
Note the big spike in 1993 after the eruption of Mt. Pinatubo.
In the US, the number of record minimums has exceeded the number of record maximums so far in 2013 – and the ratio is the highest since 1997.
Note the big spike in 1993 after the eruption of Mt. Pinatubo.
Nice graph