MEAN HEAT INDEX AND PROBABILITY FORECASTS AT TUCSON_AZ

The table below gives the MEAN heat index forecast for days 3 through 7 at TUCSON_AZ.


SAT SUN MON TUE WED
JUL 05 JUL 06 JUL 07 JUL 08 JUL 09
MEAN HEAT INDEX 84 F 87 F 89 F 89 F 90 F
PROBABILITY OF MEAN HEAT INDEX EXCEEDING:
100 F 0 % 0 % 2 % 2 % 2 %
95 F 2 % 4 % 10 % 13 % 12 %
90 F 11 % 21 % 39 % 44 % 47 %
85 F 42 % 62 % 78 % 82 % 85 %
80 F 83 % 93 % 97 % 98 % 99 %
75 F 99 % 100 % 100 % 100 % 100 %
70 F 100 % 100 % 100 % 100 % 100 %