LABOR DAY
LABOR DAY IS OBSERVED ON THE FIRST MONDAY IN SEPTEMBER. LABOR DAY WAS FIRST CELEBRATED IN NEW YORK IN 1882 UNDER THE SPONSORSHIP OF THE CENTRAL LABOR UNION. THE IDEA WAS SUGGESTED BY PETER J. MC GUIRE, OF THE KNIGHTS OF LABOR, THAT THE DAY BE SET ASIDE IN HONOR OF LABOR.
THE HIGHEST TEMPERATURE EVER RECORDED IN ROCHESTER ON LABOR DAY WAS ON SEPTEMBER 6, 1971 AND SEPT 3, 1973 WITH A HIGH TEMPERATURE OF 93 DEGREES. ON THE OTHER SIDE OF THE SPECTRUM, CLEAR SKIES DURING THE EARLY MORNING HOURS OF SEPTEMBER 2, 1991 RESULTED IN A RECORD LOW TEMPERATURE OF 42 DEGREES. NORMALLY, THE HIGH TEMPERATURE AVERAGED NEAR 77 DEGREES WHILE THE LOW AVERAGES ABOUT 56.
THERE IS ROUGHLY A 39 PERCENT CHANCE OF HAVING AT LEAST A TRACE OF PRECIPITATION AND ABOUT AN 11 PERCENT CHANCE OF A THUNDERSTORM. ON SEPTEMBER 1, 1980 AFTERNOON THUNDERSTORMS DROPPED 1.21 INCHES OF RAIN AT THE ROCHESTER AIRPORT‑‑THE MOST PRECIPITATION EVER RECORDED ON A LABOR DAY.
ON LABOR DAY IN 1944...SEPTEMBER 4TH...A MODERATE EARTHQUAKE OF 5.6 ON THE RICHTER SCALE WAS FELT AT 11:39 PM. THE QUAKE WAS CENTERED AT MASSENA, BY THE ST. LAWRENCE RIVER. PERCEPTIBLE VIBRATIONS WERE FELT IN HOMES AND BUILDINGS. LIGHT FURNITURE WAS DISPLACED AND DISHES RATTLED. THE SHOCK WAS FELT THROUGHOUT THE NORTHEASTERN UNITED STATES AND ONTARIO. PROPERTY DAMAGE WAS REPORTED IN ONTARIO.
LABOR DAY PERIOD OF RECORD: 72 YEARS (1939‑2011)
TEMPERATURE DATA * 1ST MONDAY IN SEPT *
HIGHEST 93 DEGREES ON SEPT 6, 1971 AND SEPT 3, 1973
LOWEST 42 DEGREES ON SEPT 2, 1991
LOWEST MAXIMUM 61 DEGREES ON SEPT 1, 1958
HIGHEST MINIMUM 73 DEGREES ON SEPT 1, 1980
AVERAGE HIGH TEMPERATURE 76.95 DEGREES
AVERAGE LOW TEMPERATURE 56.0 DEGREES
HIGH TEMPERATURE BY 10 DEGREE RANGES
60S 70S 80S 90S
12 36 19 5
16% 50% 26% 7% NUMBER OF OCCURRENCES
PRECIPITATION DATA
NUMBER OF TIMES WITH MEASURABLE 17 OCCURRENCES OR 24%
NUMBER OF TIMES WITH A TRACE OR MORE 29 OCCURRENCES OR 40%
NUMBER OF TIMES WITH NO PRECIPITATION 43 OCCURRENCES OR 60%
NUMBER OF DAYS WITH PRECIPITATION OF: 0.01 INCH OR MORE 17
0.50 INCH OR MORE 1
1.00 INCH OR MORE 1
THUNDERSTORMS HAVE OCCURRED ON 8 OF THE PAST 69 LABOR DAYS (OR 11%)
SEPT 4, 1944, SEPT 5, 1949, SEPT 2, 1957, SEPT 6, 1965, SEPT 2, 1968, SEPT 5, 1977,
SEPT 1, 1980, SEPT 7, 1992, SEPT 9, 1993, SEPT 7, 1998
MAXIMUM PRECIPITATION: 1.21 INCHES ON SEPT. 1, 1980
LABOR DAY
YEAR DATE HI LO PRECIP TRW CHARACTER
1940 SEPT 2 71 58 0.0 CLOUDY
1941 SEPT 1 80 54 0.0 PARTLY CLOUDY
1942 SEPT 7 82 50 0.0 PARTLY CLOUDY, FOG
1943 SEPT 6 89 70 0.0 CLOUDY, FOG
1944 SEPT 4 76 58 .20 X CLOUDY, FOG
1945 SEPT 3 73 50 0.0 MOSTLY SUNNY, FOG
1946 SEPT 2 64 48 TR PARTLY SUNNY, FOG
1947 SEPT 1 79 51 0.0 PARTLY SUNNY
1948 SEPT 6 89 61 0.0 PARTLY SUNNY
1949 SEPT 5 83 59 .25 X CLOUDY
1950 SEPT 4 63 52 0.07 CLOUDY
1951 SEPT 3 71 56 TR MOSTLY CLOUDY
1952 SEPT 1 91 69 0.0 MOSTLY CLOUDY
1953 SEPT 7 76 50 TR CLOUDY
1954 SEPT 6 73 61 0.0 MOSTLY CLOUDY
1955 SEPT 5 76 54 0.0 SUNNY
1956 SEPT 3 78 53 0.0 SUNNY
1957 SEPT 2 83 58 .22 X CLOUDY
1958 SEPT 1 61 53 TR CLOUDY
1959 SEPT 7 91 65 0.0 SUNNY
1960 SEPT 5 74 52 0.0 PARTLY CLOUDY
1961 SEPT 4 88 70 0.0 MOSTLY CLOUDY
1962 SEPT 3 76 48 0.0 SUNNY
1963 SEPT 2 78 50 TR CLOUDY
1964 SEPT 7 81 51 0.0 SUNNY
1965 SEPT 6 71 58 .18 X FOG, HAZE, CLOUDY
1966 SEPT 5 73 55 TR PARTLY CLOUDY
1967 SEPT 4 78 56 0.0 PARTLY SUNNY
1968 SEPT 2 71 55 .12 X FOG, CLOUDY
1969 SEPT 1 90 67 0.0 FOG, HAZE, PARTLY SUNNY
1970 SEPT 7 75 51 0.0 FOG, SUNNY
1971 SEPT 6 93 72 0.0 FOG, HAZE, PARTLY SUNNY
1972 SEPT 4 73 52 0.0 PARTLY SUNNY
1973 SEPT 3 93 68 0.0 FOG, HAZE, MOSTLY SUNNY
1974 SEPT 2 70 49 TR MOSTLY CLOUDY
1975 SEPT 1 80 62 TR FOG, HAZE, MOSTLY SUNNY
1976 SEPT 6 69 44 0.0 SUNNY, CLEAR
1977 SEPT 5 78 62 .14 X FOG, HAZE, CLOUDY
1978 SEPT 4 76 58 0.0 MOSTLY CLOUDY
1979 SEPT 3 80 63 0.0 FOG, MOSTLY CLOUDY
1980 SEPT 1 88 73 1.21 X FOG, HAZE, MOSTLY CLOUDY
1981 SEPT 7 79 63 0.0 FOG, HAZE, CLOUDY
LABOR DAY
YEAR DATE HI LO PRECIP TRW CHARACTER
1982 SEPT 6 78 53 TR FOG, HAZE, CLOUDY
1984 SEPT 3 84 56 0.0 SUNNY, CLEAR
1983 SEPT 5 62 47 0.01 MOSTLY SUNNY
1985 SEPT 2 79 54 TR FOG, HAZE, PARTLY SUNNY
1986 SEPT 1 76 49 0.0 FOG, MOSTLY CLOUDY
1987 SEPT 7 79 64 0.0 CLOUDY
1988 SEPT 5 62 45 0.03 FOG, CLOUDY
1989 SEPT 4 76 47 0.0 SUNNY
1990 SEPT 3 68 48 0.0 SUNNY
1991 SEPT 2 79 42 0.0 SUNNY, CLEAR
1992 SEPT 7 81 64 0.11 X FOG, HAZE, MOSTLY CLOUDY
1993 SEPT 9 75 51 0.19/TR X HAIL, MOSTLY CLOUDY
1994 SEPT 5 71 43 0.0 SUNNY, CLEAR
1995 SEPT 4 79 58 0.0 PARLTY SUNNY
1996 SEPT 2 83 53 0.0 SUNNY
1997 SEPT 1 79 63 0.0 PARTLY CLOUDY
1998 SEPT 7 69 55 0.24 X CLOUDY
1999 SEPT 8 77 62 0.30 HAZE, CLOUDY
2000 SEPT 4 68 53 0.11 MIST, CLOUDY
2001 SEPT 3 80 54 0.0 PARTLY SUNNY
2002 SEPT 2 82 61 0.0 MOSTLY SUNNY
2003 SEPT 1 67 59 0.20 CLOUDY
2004 SEPT 6 80 63 0.0 PARTLY CLOUDY
2005 SEPT 5 75 49 0.0 FOG, PARTLY CLOUDY
2006 SEPT 4 68 58 TR MIST, PARTLY CLOUDY
2007 SEPT 3 84 55 0.0 MOSTLY SUNNY
2008 SEPT 1 81 54 0.0 FOG, MOSTLY SUNNY
2009 SEPT 7 78 53 0.0 MOSTLY CLOUDY
2010 SEPT 6 71 52 TR LIGHT RAIN
2011 SEPT 5 67 58 0.38 RAIN