January 1998 Climate Data for Pittsburgh, PA  
See Key below for explanation of abbreviations   
DATE JAN 98   |DP|HEATING DD |SNOWFALL     |PRECIPITATION
   HI LO AV NR|DY|DY MON SEAS|DAY  MON SEAS| DAY  MON NORM  DEP  YEAR NORM  DEP
01*35  6 21 27 -6 44  44 2321   T    T 15.1    T    T  .09 -.09     T  .09 -.09
02*50 34 42 27+15 23  67 2344   0    T 15.1    T    T  .18 -.18     T  .18 -.18
03*57 46 52 27+25 13  80 2357   0    T 15.1  .01  .01  .27 -.26   .01  .27 -.26
04*59 46 53 27+26 12  92 2369   0    T 15.1  .04  .05  .36 -.31   .05  .36 -.31
05*64 41 53 27+26 12 104 2381   0    T 15.1  .06  .11  .45 -.34   .11  .45 -.34
06*58 54 56 27+29  9 113 2390   0    T 15.1  .15  .26  .54 -.28   .26  .54 -.28
07*61 50 56 26+30  9 122 2399   0    T 15.1 1.34 1.60  .62 +.98  1.60  .62 +.98
08*64 55 60 26+34  5 127 2404   0    T 15.1  .23 1.83  .70+1.13  1.83  .70+1.83
09*55 35 45 26+19 20 147 2424   T    T 15.1  .90 2.73  .78+1.95  2.73  .78+1.95
10*43 32 38 26+12 27 174 2451   0    T 15.1    0 2.73  .86+1.87  2.73  .86+1.87
11*40 24 32 26 +6 33 207 2484   0    T 15.1    0 2.73  .94+1.79  2.73  .94+1.79
12*46 27 37 26+11 28 235 2512   0    T 15.1    T 2.73 1.02+1.71  2.73 1.02+1.71
13*50 20 35 26 +9 30 265 2542  .3   .3 15.4  .19 2.92 1.10+1.82  2.92 1.10+1.82
14*30 14 22 26 -4 43 308 2585   0   .3 15.4    0 2.92 1.18+1.74  2.92 1.18+1.74
15*41 30 36 26+10 29 337 2614   0   .3 15.4  .06 2.98 1.26+1.72  2.98 1.26+1.72
16*36 30 33 26 +7 32 369 2646   0   .3 15.4    T 2.98 1.34+1.64  2.98 1.34+1.64
...........
...........
...........    NORMALS 1961-90 RV
DATE JAN 98   |DP|HEATING DD |SNOWFALL     |PRECIPITATION
   HI LO AV NR|DY|DY MON SEAS|DAY  MON SEAS| DAY  MON NORM  DEP  YEAR NORM  DEP
17*35 30 33 26 +7 32 401 2678  .7  1.0 16.1  .07 3.05 1.42+1.63  3.05 1.42+1.63
18*31 29 30 26 +4 35 436 2713  .2  1.2 16.3  .02 3.07 1.50+1.57  3.07 1.50+1.57
19*34 19 27 26 +1 38 474 2751  .1  1.3 16.4    T 3.07 1.58+1.49  3.07 1.58+1.49
20*32 23 28 26 +2 37 511 2788  .1  1.4 16.5    T 3.07 1.66+1.41  3.07 1.66+1.41
21*28 19 24 25 -1 41 552 2829   0  1.4 16.5    0 3.07 1.74+1.33  3.07 1.74+1.33
22*40 27 34 25 +9 31 583 2860   T  1.4 16.5  .13 3.20 1.82+1.38  3.20 1.82+1.38
23*43 33 38 25+13 27 610 2887   T  1.4 16.5  .36 3.56 1.90+1.66  3.56 1.90+1.66
24*33 29 31 26 +5 34 644 2921  .3  1.7 16.8  .01 3.57 1.98+1.59  3.57 1.98+1.59
25*32 27 30 26 +4 35 679 2956   T  1.7 16.8    T 3.57 2.06+1.51  3.57 2.06+1.51
26*41 29 35 26 +9 30 709 2986   0  1.7 16.8    0 3.57 2.14+1.43  3.57 2.14+1.43
27*41 31 36 26+10 29 738 3015   T  1.7 16.8  .01 3.58 2.22+1.36  3.58 2.22+1.36
28*45 30 38 26+12 27 765 3042   0  1.7 16.8  .02 3.60 2.30+1.30  3.60 2.30+1.30
29*48 28 38 26+12 27 792 3069   0  1.7 16.8  .02 3.62 2.38+1.24  3.62 2.38+1.24
30*36 31 34 26 +8 31 823 3100   T  1.7 16.8  .01 3.63 2.46+1.17  3.63 2.46+1.17
31*34 25 30 26 +4 35 858 3135   T  1.7 16.8    T 3.63 2.54+1.09  3.63 2.54+1.09



                           JAN 1998
TEMPERATURES......
AVERAGE MAXIMUM................................. 43.3 DEGREES
AVERAGE MINIMUM................................. 30.8 DEGREES
AVERAGE FOR MONTH............................... 37.1 DEGREES
DEPARTURE FROM NORMAL...........................+11.0 DEGREES
HIGHEST AND DATE........................64 ON THE 5TH AND 8TH
LOWEST AND DATE..................................6 ON THE 1ST
NUMBER OF DAYS MAX TEMPERATURE 32 DEGREES OR BELOW........  5
NUMBER OF DAYS MIN TEMPERATURE 32 DEGREES OR BELOW........ 22
NIMBER OF DAYS MIN TEMPERATURE  0 DEGREES OR BELOW........  0
 
HEATING DEGREE DAYS.....................................  858
DEPARTURE FROM NORMAL................................... -348
SEASONAL TOTAL HEATING (JUL 1 - JUN 30)................. 3135
COOLING DEGREE DAYS ....................................    0
DEPARTURE FROM NORMAL...................................    0
SEASONAL TOTAL COOLING (JAN 1 - DEC 31).................    0
 
PRECIPITATION DATA
TOTAL FOR THE MONTH.............................  3.63 INCHES
DEPARTURE FROM NORMAL........................... +1.09 INCHES
TOTAL FOR THE YEAR..............................  3.63 INCHES
DEPARTURE FROM NORMAL........................... +1.09 INCHES
MAXIMUM PRECIPITATION IN 24 HOURS... 1.51 INCHES ON THE 7-8TH
MONTHLY SNOWFALL................................  1.7  INCHES
DEPARTURE FROM NORMAL...........................-10.9  INCHES
MAXIMUM CALENDER DAY SNOWFALL......... 0.7 INCHES ON THE 17TH
 
NUMBER OF DAYS WITH PRECIPITATION 0.01 INCH OR MORE....... 18
NUMBER OF DAYS WITH PRECIPITATION 0.10 INCH OR MORE.......  7
NUMBER OF DAYS WITH PRECIPITATION 0.50 INCH OR MORE.......  2
NUMBER OF DAYS WITH PRECIPITATION 1.00 INCH OR MORE.......  1
 
NUMBER OF CLEAR DAYS............0
NUMBER OF PARTLY CLOUDY DAYS....5
NUMBER OF MAINLY CLOUDY DAYS...26
 
HIGHEST SEA LEVEL PRESSURE......... 30.46 ON THE 14TH AT 1036
LOWEST SEA LEVEL PRESSURE.......... 29.44 ON THE  9TH AT 0135
 
...RECORDS...
JAN 5TH...RECORD HIGH MEAN OF 53.
JAN 6TH...TIED RECORD WARM LOW OF 54.
JAN 7TH...RECORD DAILY PRECIPITATION OF 1.34 INCHES.
JAN 8TH...RECORD WARM LOW OF 55...RECORD HIGH MEAN OF 60.
JAN 9TH...RECORD DAILY PRECIPITATION OF 0.90 INCHES.
 
ALSO...JANUARY 1998 WAS THE WARMEST JANUARY AND LEAST SNOWY SINCE 1950
AND THE 11TH WARMEST AND 10TH LEAST SNOWY ON RECORD.
 

 

...WARMEST JANUARY IN PITTSBURGH SINCE 1950...
 
THROUGH TODAY...THE AVERAGE HIGH TEMPERATURE THIS JANUARY AT
PITTSBURGH INTERNATIONAL AIRPORT IS 43.9 DEGREES AND THE AVERAGE
LOW IS 31.0 DEGREES.  THE MEAN TEMPERATURE IS 37.5 DEGREES...WHICH
IS 11.4 ABOVE NORMAL.  THIS IS THE WARMEST JANUARY SINCE 1950 AND
TIES FOR THE 10TH WARMEST EVER RECORDED IN PITTSBURGH.  THE WARMEST
JANUARY AVERAGED AN AMAZING 44.4 DEGREES IN 1880.
 
THE WARMEST JANUARIES...
44.4 IN 1880
41.8 IN 1932
41.4 IN 1890
40.8 IN 1950
40.2 IN 1913
39.0 IN 1933
38.4 IN 1906
38.0 IN 1949
37.7 IN 1937
37.5 IN 1916 AND 1998 (SO FAR)
 
NORMAL JANUARY (USING 30 YEAR MEAN)...
HIGH 33.7
LOW 18.5
MEAN 26.1
 
FOR THE FINAL TWO DAYS OF THE MONTH...TEMPERATURES WILL AVERAGE A
BIT COOLER THAN THE 37.5 DEGREES WE HAVE AVERAGE SO FAR...BUT WE
SHOULD STILL FINISH THE MONTH BETWEEN 37.0 AND 37.5 DEGREES.  THIS
IS ENOUGH TO STAY IN 10TH PLACE.
 
OFFICIAL TEMPERATURE RECORDS IN PITTSBURGH DATE BACK TO 1871 AND
WERE TAKEN IN THE FOLLOWING LOCATIONS...
 
1871 TO 1931...DOWNTOWN PITTSBURGH
1931 TO 1952...ALLEGHENY COUNTY AIRPORT IN WEST MIFFLIN
1952 TO PRESENT...PITTSBURGH INTERNATIONAL AIRPORT
 

 




...RECORD PRECIPITATION IN PITTSBURGH FOR JANUARY 9TH...

THROUGH 4 PM JANUARY 9TH...PITTSBURGH INTERNATIONAL RECORDED 0.90
INCHES OF PRECIPITATION.  THIS SETS A NEW RECORD FOR THE
DATE...SURPASSING THE RECORD OF 0.76 SET BACK IN 1876.

...OTHER RECORDS SET DURING THIS WARM AND WET SPELL...

JANUARY 5TH...RECORD WARM MEAN TEMPERATURE OF 53...BREAKING 52 SET IN
1946.

JANUARY 6TH...TIED THE RECORD WARM LOW TEMPERATURE OF 54 SET IN 1946.

JANUARY 7TH...NEW RECORD PRECIPITATION FOR THE DATE 1.34 INCHES...
BREAKING 0.91 INCHES SET IN 1934.

JANUARY 8TH...NEW RECORD WARM LOW TEMPERATURE OF 55...BREAKING 52 SET
IN 1937.  ALSO A NEW RECORD WARM MEAN TEMPERATURE OF 60...BREAKING 59
SET IN 1937.


...NEW RECORD HIGH LOW AND HIGH MEAN AT PITTSBURGH INTERNATIONAL
   AIRPORT FOR JANUARY 8...
 
TWO RECORDS DEPICTING ABNORMALLY WARM TEMPERATURES WERE BROKEN ON
JANUARY 8. WITH A LOW TEMPERATURE OF 55 DEGREES THIS SET A NEW RECORD
HIGH LOW FOR THE DAY. THE PREVIOUS RECORD WAS 52 SET IN 1937. THE MEAN
TEMPERATURE OF 60 SET A NEW RECORD HIGH MEAN FOR THE DAY. THE PREVIOUS
RECORD WAS 59 ALSO SET IN 1937.
 
...RECORD HIGH FOR JANUARY 8 SET IN MORGANTOWN WEST VIRGINIA...
 
THE HIGH TEMPERATURE AT MORGANTOWN AIRPORT ON JANUARY 8 WAS 68
DEGREES. THIS SET A NEW RECORD HIGH FOR THE DAY...BREAKING THE
PREVIOUS RECORD OF 63 SET IN 1965.
 
...RECORD HIGH FOR JANUARY 8 SET IN ZANESVILLE OHIO...
 
THE HIGH TEMPERATURE AT ZANESVILLE AIRPORT ON JANUARY 8 WAS 64
DEGREES. THIS SET A NEW RECORD HIGH FOR THE DAY...BREAKING THE
PREVIOUS RECORD OF 62 SET IN 1965.

 


...NEW RECORD WARM MEAN TEMPERATURE FOR PITTSBURGH...

ON MONDAY JANUARY 5TH 1998...PITTSBURGH INTERNATIONAL AIRPORT RECORDED
A HIGH OF 64 AND LOW OF 41.  THIS GIVES A MEAN TEMPERATURE OF 53 WHICH
BREAKS THE RECORD WARM MEAN TEMPERATURE FOR THE DATE.  THE RECORD WAS 52
SET IN 1946.


...NEW RECORD HIGH TEMPERATURE SET AT MORGANTOWN WEST VIRGINIA...
 
AT APPROXIMATELY 300 PM THIS AFTERNOON THE MORGANTOWN AIRPORT RECORDED
A TEMPERATURE OF 68 THAT ECLIPSED THE PREVIOUS RECORD OF 65 THAT WAS SET
IN 1993.
 
MORE WARM...UNSEASONABLE WEATHER IS EXPECTED TUESDAY WITH TEMPERATURES
FORECAST TO REACH NEAR THE RECORD HIGH FOR JANUARY 6TH.
 
THE RECORD HIGH FOR JANUARY 6TH IS 61 DEGREES SET IN 1950.

 


Key 

HI = High for Day
LO = Low for Day
AV = Average
NR = Normal Average
DP DY = Daily Departure for Normal
HEATING DD = Heating Degree Day for
-----DY = Day
-----MON = Month
-----SEAS = Season
SNOWFALL for DAY...Month and Season
PRECIPITATION for
-----DY = DAY
-----MON = Month
-----NORM = Cumulative Normal for Month
-----DEP = Cumulitive Departure for Normal for Month
-----YEAR = Cumulitive Yearly Total
-----NORM = Cumulative Yearly Normal
-----DEP = Depature from the Yearly Normal