March 1999 Climate Data for Pittsburgh, PA  
See Key below for explanation of abbreviations

MARCH 1999        PITTSBURGH INTL AIRPORT              NORMALS 1961-90 RV
   TEMPERATURE|DP|HEATING DD |SNOWFALL      |PRECIPITATION
   HI LO AV NR|DY|DY MON SEAS|DAY  MON SEAS |DAY  MON NORM  DEP  YEAR NORM  DEP
01*34 29 32 33 -1 33  33 3843 0.8   .8 24.4  .03  .03  .10 -.07  7.34 5.03+2.31
02*45 28 37 34 +3 28  61 3871   T   .8 24.4  .04  .07  .20 -.13  7.38 5.13+2.25
03*49 30 40 34 +6 25  86 3896 1.1  1.9 25.5  .24  .31  .30 +.01  7.62 5.23+2.39
04*31 22 27 35 -8 38 124 3934 3.5  5.4 29.0  .10  .41  .40 +.01  7.72 5.33+2.39
05*37 17 27 35 -8 38 162 3972   0  5.4 29.0    0  .41  .51 -.10  7.72 5.44+2.28
06*39 17 28 36 -8 37 199 4009 2.3  7.7 31.3  .61 1.02  .62 +.40  8.33 5.55+2.78
07*24 12 18 36-18 47 246 4056 0.1  7.8 31.4    T 1.02  .73 +.29  8.33 5.66+2.67
08*30  5 18 36-18 47 293 4103   0  7.8 31.4    0 1.02  .84 +.18  8.33 5.77+2.56
09*28 22 25 37-12 40 333 4143 6.5 14.3 37.9  .16 1.18  .95 +.23  8.49 5.88+2.61
10*33 17 25 37-12 40 373 4183   T 14.3 37.9    T 1.18 1.06 +.12  8.49 5.99+2.50
11*36 11 24 38-14 41 414 4224   0 14.3 37.9    0 1.18 1.17 +.01  8.49 6.10+2.39
12*38 19 29 38 -9 36 450 4260   T 14.3 37.9    T 1.18 1.28 -.10  8.49 6.21+2.28
13*37 18 28 38-10 37 487 4297   0 14.3 37.9    0 1.18 1.39 -.21  8.49 6.32+2.17
14*36 29 33 39 -6 32 519 4329 1.0 15.3 38.9  .03 1.21 1.50 -.29  8.52 6.43+2.09
15*41 25 33 39 -6 32 551 4361   0 15.3 38.9    0 1.21 1.61 -.40  8.52 6.54+1.98
16*51 24 38 40 -2 27 578 4388   0 15.3 38.9    0 1.21 1.72 -.51  8.52 6.65+1.87
...............................................................................
PAGE 2
MARCH 1999        PITTSBURGH INTL AIRPORT              NORMALS 1961-90 RV
   TEMPERATURE|DP|HEATING DD |SNOWFALL     |PRECIPITATION
   HI LO AV NR|DY|DY MON SEAS|DAY  MON SEAS| DAY  MON NORM  DEP  YEAR NORM  DEP
17*67 42 55 40+15 10 588 4398   0 15.3 38.9    0 1.21 1.83 -.62  8.52 6.76+1.76
18*62 36 49 40 +9 16 604 4414   0 15.3 38.9    T 1.21 1.94 -.73  8.52 6.87+1.65
19*39 27 33 41 -8 32 636 4446   T 15.3 38.9    T 1.21 2.06 -.85  8.52 6.99+1.53
20*50 21 36 41 -5 29 665 4475   0 15.3 38.9    0 1.21 2.18 -.97  8.52 7.11+1.41
21*54 32 43 41 +2 22 687 4497   T 15.3 38.9  .03 1.24 2.30-1.06  8.55 7.23+1.32
22*36 29 33 42 -9 32 719 4529 0.3 15.6 39.2    T 1.24 2.42-1.18  8.55 7.35+1.20
23*46 27 37 42 -5 28 747 4557   0 15.6 39.2    0 1.24 2.53-1.29  8.55 7.46+1.09
24*56 31 44 43 +1 21 768 4578   0 15.6 39.2    0 1.24 2.64-1.40  8.55 7.57 +.98
25*39 24 32 43-11 33 801 4611   T 15.6 39.2    T 1.24 2.75-1.51  8.55 7.68 +.87
26*47 24 36 43 -7 29 830 4640   0 15.6 39.2    0 1.24 2.86-1.62  8.55 7.79 +.76
27*55 29 42 43 -1 23 853 4663   0 15.6 39.2    0 1.24 2.97-1.73  8.55 7.90 +.65
28*61 30 46 44 +2 19 872 4682   0 15.6 39.2    0 1.24 3.08-1.84  8.55 8.01 +.54
29*59 32 46 44 +2 19 891 4701   0 15.6 39.2    0 1.24 3.19-1.95  8.55 8.12 +.43
30*63 30 47 44 +3 18 909 4719   0 15.6 39.2    0 1.24 3.30-2.06  8.55 8.23 +.32
31*75 39 57 45+12  8 917 4727   0 15.6 39.2    0 1.24 3.41-2.17  8.55 8.34 +.21
                    ...MARCH 1999...
TEMPERATURES
AVERAGE MAXIMUM................................ 45.1 DEGREES
AVERAGE MINIMUM................................ 25.1 DEGREES
AVERAGE FOR MONTH.............................. 35.1 DEGREES
DEPARTURE FROM NORMAL.......................... -4.3 DEGREES
HIGHEST AND DATE..................... 75 DEGREES ON THE 31ST
LOWEST AND DATE......................  5 DEGREES ON THE  8TH
NUMBER OF DAYS MAX TEMPERATURE 32 DEGREES OR BELOW.......  4
NUMBER OF DAYS MAX TEMPERATURE 32 DEGREES OR BELOW....... 28
NUMBER OF DAYS MIN TEMPERATURE  0 DEGREES OR BELOW.......  0
 
HEATING DEGREE DAYS..................................... 917
DEPARTURE FROM NORMAL...................................+123
SEASONAL TOTAL HEATING..................................4727
COOLING DEGREE DAYS.....................................   0
DEPARTURE FROM NORMAL...................................   0
SEASONAL TOTAL COOLING.................................... 0
 
PRECIPITATION DATA
TOTAL FOR THE MONTH.................................... 1.24
DEPARTURE FROM NORMAL..................................-2.17
TOTAL FOR THE YEAR..................................... 8.55
DEPARTURE FROM NORMAL..................................+0.21
MAXIMUM PRECIPITATION IN 24 HOURS.... 0.61 INCHES ON THE 6-7
MONTHLY SNOWFALL....................................... 15.6
DEPARTURE FROM NORMAL.................................. +7.9
MAXIMUM 24 HOUR SNOWFALL.............. 6.5 INCHES ON THE 9TH
 
NUMBER OF DAYS WITH PRECIPITATION 0.01 INCHES OR MORE..... 8
NUMBER OF DAYS WITH PRECIPITATION 0.10 INCHES OR MORE..... 3
NUMBER OF DAYS WITH PRECIPITATION 0.50 INCHES OR MORE..... 1
NUMBER OF DAYS WITH PRECIPITATION 1.00 INCHES OR MORE..... 0
 
SUNSHINE
NUMBER OF DAYS WITH CLEAR SKIES.......................... 12
NUMBER OF DAYS WITH PARTLY CLOUDY SKIES..................  4
NUMBER OF DAYS WITH CLOUDY SKIES......................... 15
HIGHEST SEA LEVEL PRESSURE........ 30.78 ON THE  8TH AT 0851
LOWEST SEA LEVEL PRESSURE......... 29.40 ON THE  3RD AT 1328
 
...HIGHLIGHTS...
RECORD SNOWFALL ON THE 6TH OF 6.5 INCHES.
THIS MARCH TIED FOR THE 9TH DRIEST MARCH.
EVERY DAY FROM THE 4TH THROUGH THE 16TH WAS COLDER THAN NORMAL.
 

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