...1999 YEAR-END CLIMATOLOGICAL AND SIGNIFICANT WEATHER
SUMMARY FOR MEMPHIS INTERNATIONAL AIRPORT...
...MEMPHIS EXPERIENCES THIRD WARMEST YEAR SINCE 1875...
1999 WILL GO DOWN IN THE RECORD BOOKS AS A MUCH WARMER
THAN AVERAGE YEAR...IN FACT THE THIRD WARMEST. THE FIRST FEW MONTHS OF
THE YEAR WERE WELL ABOVE AVERAGE WITH TEMPERATURES 25 DEGREES ABOVE NORMAL
FOR DAYS AT A TIME. ONLY MARCH WAS BELOW AVERAGE...WITH MAY EQUALING THE
NORMAL. PRECIPITATION WAS BELOW NORMAL...BUT NOT IN THE TOP 20 DRIEST...WITH
A WET SPRING BUT A BONE DRY LATE SUMMER. BELOW IS A TABLE OF EACH MONTHS
AVERAGE TEMP AND PRECIP:
| MONTH | AVGTEMP | DEPARTURE | RAINFALL | DEPARTURE | RAINDAYS |
| JANUARY | 46.9 | +7.2 | 6.15 | +2.42 | 11 |
| FEBRUARY | 51.5 | +7.3 | 2.10 | -2.25 | 8 |
| MARCH | 50.7 | -2.4 | 6.59 | +1.18 | 14 |
| APRIL | 67.1 | +4.2 | 8.92 | +3.46 | 8 |
| MAY | 71.2 | 0 | 4.79 | -0.19 | 9 |
| JUNE | 79.7 | +0.6 | 2.42 | -1.15 | 8 |
| JULY | 83.7 | +1.1 | 3.63 | -0.16 | 4 |
| AUGUST | 82.7 | +1.7 | 1.18 | -2.25 | 2 |
| SEPTEMBER | 75.2 | +1.0 | 1.11 | -2.42 | 7 |
| OCTOBER | 64.3 | +1.2 | 1.53 | -1.48 | 3 |
| NOVEMBER | 57.0 | +4.5 | 2.37 | -2.73 | 5 |
| DECEMBER | 45.7 | +2.0 | 4.73 | -1.01 | 6 |
| YEARLY | 64.6 | +2.4 | 45.52 | -6.58 | 85 |
THE WIDE RANGE OF TEMPERATURES AND CONDITIONS IN ANY GIVEN YEAR OFTEN LEADS TO RECORDS BEING SET OR TIED. BELOW IS A LIST OF RECORDS SET OR TIED (DOES NOT INCLUDE COOLEST HIGHS OR WARMEST LOWS) IN 1999:
JAN 21...NEW RECORD HIGH...75 DEGREES...PREVIOUS RECORD
72 SET IN 1959
FEB 08...NEW RECORD HIGH...77 DEGREES...PREVIOUS RECORD
75 SET IN 1950
FEB 11...NEW RECORD HIGH...76 DEGREES...PREVIOUS RECORD
75 SET IN 1938
NOV 07...TIE RECORD HIGH...81 DEGREES...PREVIOUS RECORD
81 SET IN 1980
NOV 14...NEW RECORD HIGH...81 DEGREES...PREVIOUS RECORD
79 SET IN 1971
...OTHER SIGNIFICANT WEATHER INFORMATION...
FEBRUARY'S AVERAGE TEMPERATURE OF 51.5 DEGREES WAS THE 8TH WARMEST FEBRUARY ON RECORD...WHILE APRIL'S AVERAGE TEMPERATURE OF 67.1 DEGREES WAS THE 6TH WARMEST ON RECORD. IN ADDITION...6 'WARMEST LOWS' WERE SET OR TIED DURING THE YEAR.
MISCELLANEOUS CLIMATOLOGICAL INFORMATION FOR MEMPHIS:
| PARAMETER MEASURED | THIS YEAR | 30 YEAR NORMAL | DEPARTURE |
| AVERAGE HIGH | 74.5 | 72.1 | +2.4 |
| AVERAGE LOW | 54.7 | 52.4 | +2.3 |
| HIGHEST TEMPERATURE | 100 ON 8/11 and 8/18 | ||
| LOWEST TEMPERATURE | 12 ON 1/ 5 | ||
| DAYS LOW 32 OR LESS | 29 DAYS | 56 DAYS | -27 DAYS |
| DAYS HIGH 90 OR MORE | 74 DAYS | 63 DAYS | +11 DAYS |
| DAYS HIGH 100 OR MORE | 2 DAYS | 3 DAYS | - 1 DAY |
| LAST FREEZE (SPRING) | 3/15 | 3/24 | + 9 DAYS |
| FIRST FREEZE (FALL) | 11/03 | 11/12 | + 9 DAYS |
| GROWING SEASON | 232 DAYS | 232 DAYS | 0 DAYS |
| HEATING DEGREE DAYS | 2396 | 3082 | -686 |
| COOLING DEGREE DAYS | 2364 | 2118 | +246 |
| GREATEST 24 HR RAIN | 3.50 ON 5/ 5 | ||
| SNOWFALL | TRACE | 5.7 | -5.7 |