Nov 1999 Climate Data for Pittsburgh, PA  
See Key below for explanation of abbreviations
DATE  NOV 99  |DP|HEATING DD|SNOWFALL    |PRECIPITATION
   HI LO AV NR|DY|DY MON SEA|DAY MON SEAS| DAY  MON NORM  DEP  YEAR  NORM  DEP
01*74 49 62 47+15  3   3 497   0   0    T    0    0  .08 -.08 30.51 31.16 -.65
02*63 34 49 47 +2 16  19 513  .1  .1   .1 1.72 1.72  .16+1.56 32.23 31.24 +.99
03*39 31 35 46-11 30  49 543 1.1 1.2  1.2  .10 1.82  .25+1.57 32.33 31.33+1.00
04*54 29 42 46 -4 23  72 566   0 1.2  1.2    0 1.82  .34+1.48 32.33 31.42 +.91
05*65 41 53 46 +7 12  84 578   0 1.2  1.2    0 1.82  .43+1.39 32.33 31.51 +.82
06*64 42 53 46 +7 12  96 590   0 1.2  1.2    0 1.82  .52+1.30 32.33 31.60 +.73
07*50 33 42 45 -3 23 119 613   0 1.2  1.2    0 1.82  .61+1.21 32.33 31.69 +.64
08*59 28 44 45 -1 21 140 634   0 1.2  1.2    0 1.82  .70+1.12 32.33 31.78 +.55
09*74 43 59 45+14  6 146 640   0 1.2  1.2    0 1.82  .79+1.03 32.33 31.87 +.46
10*68 59 64 44+20  1 147 641   0 1.2  1.2    T 1.82  .88 +.94 32.33 31.96 +.37
11*62 40 51 44 +7 14 161 655   0 1.2  1.2    0 1.82  .97 +.85 32.33 32.05 +.28
12*57 31 44 44  0 21 182 676   0 1.2  1.2    0 1.82 1.06 +.76 32.33 32.14 +.19
13*57 43 50 43 +7 15 197 691   0 1.2  1.2    0 1.82 1.15 +.67 32.33 32.23 +.10
14*59 42 51 43 +8 14 211 705   0 1.2  1.2    T 1.82 1.25 +.57 32.33 32.33  .00
15*44 36 40 43 -3 25 236 730   T 1.2  1.2    T 1.82 1.35 +.47 32.33 32.43 -.10
16*41 34 38 42 -4 27 263 757  .1 1.3  1.3    T 1.82 1.45 +.37 32.33 32.53 -.20
******************************************************************************
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DATE  NOV 99  |DP|HEATING DD |SNOWFALL    |PRECIPITATION
   HI LO AV NR|DY|DY MON SEAS|DAY MON SEAS| DAY  MON NORM  DEP  YEAR  NORM  DEP
17*40 30 35 42 -7 30 293  787   0 1.3  1.3    0 1.82 1.55 +.27 32.33 32.63 -.30
18*54 24 39 42 -3 26 319  813   0 1.3  1.3    0 1.82 1.65 +.17 32.33 32.73 -.40
19*64 34 49 41 +8 16 335  829   0 1.3  1.3    0 1.82 1.75 +.07 32.33 32.83 -.50
20*55 45 50 41 +9 15 350  844   0 1.3  1.3  .12 1.94 1.85 +.09 32.45 32.93 -.48
21*67 47 57 40+17  8 358  852   0 1.3  1.3    0 1.94 1.95 -.01 32.45 33.03 -.58
22*70 49 60 40+20  5 363  857   0 1.3  1.3    0 1.94 2.05 -.11 32.45 33.13 -.68
23*71 44 58 40+18  7 370  864   0 1.3  1.3    0 1.94 2.15 -.21 32.45 33.23 -.78
24*61 42 52 39+13 13 383  877   0 1.3  1.3  .02 1.96 2.25 -.29 32.47 33.33 -.86
25*44 38 41 39 +2 24 407  901   T 1.3  1.3  .50 2.46 2.35 +.11 32.97 33.43 -.46
26*56 43 50 39+11 15 422  916   0 1.3  1.3  .98 3.44 2.45 +.99 33.95 33.53 +.42
27*50 36 43 38 +5 22 444  938   0 1.3  1.3    0 3.44 2.55 +.89 33.95 33.63 +.32
28*45 30 38 38  0 27 471  965   0 1.3  1.3    0 3.44 2.65 +.79 33.95 33.73 +.22
29*39 29 34 37 -3 31 502  996  .4 1.7  1.7  .01 3.45 2.75 +.70 33.96 33.83 +.13
30*32 20 26 37-11 39 541 1035  .4 2.1  2.1  .01 3.46 2.85 +.61 33.97 33.93 +.04
COOLING DEGREES SEASON...772

 

                    ...NOVEMBER 1999...
TEMPERATURES
AVERAGE MAXIMUM................................ 55.9 DEGREES
AVERAGE MINIMUM................................ 37.5 DEGREES
AVERAGE FOR MONTH.............................. 46.7 DEGREES
DEPARTURE FROM NORMAL.......................... +4.4 DEGREES
HIGHEST AND DATE.............. 74 DEGREES ON THE 1ST AND 9TH
LOWEST AND DATE...................... 20 DEGREES ON THE 30TH
NUMBER OF DAYS MAX TEMPERATURE 32 DEGREES OR BELOW.......  1
NUMBER OF DAYS MIN TEMPERATURE 32 DEGREES OR BELOW.......  9
NUMBER OF DAYS MIN TEMPERATURE  0 DEGREES OR BELOW.......  0
 
HEATING DEGREE DAYS..................................... 541
DEPARTURE FROM NORMAL...................................-140
SEASONAL TOTAL HEATING..................................1035(E)
COOLING DEGREE DAYS.....................................   0
DEPARTURE FROM NORMAL...................................   0
SEASONAL TOTAL COOLING.................................. 772
 
PRECIPITATION DATA
TOTAL FOR THE MONTH...................................  3.46
DEPARTURE FROM NORMAL................................. +0.61
TOTAL FOR THE YEAR.................................... 33.97
DEPARTURE FROM NORMAL................................. +0.04
MAXIMUM PRECIPITATION IN 24 HOURS.. 1.76 INCHES ON THE 2-3RD
 
MONTHLY SNOWFALL......................................   2.1
DEPARTURE FROM NORMAL.................................  -1.1
MAXIMUM CALENDAR DAY SNOWFALL................ 1.1 ON THE 3RD
 
NUMBER OF DAYS WITH PRECIPITATION 0.01 INCHES OR MORE..... 8
NUMBER OF DAYS WITH PRECIPITATION 0.10 INCHES OR MORE..... 5
NUMBER OF DAYS WITH PRECIPITATION 0.50 INCHES OR MORE..... 3
NUMBER OF DAYS WITH PRECIPITATION 1.00 INCHES OR MORE..... 1
 
SUNSHINE
NUMBER OF DAYS WITH CLEAR SKIES..........................  6
NUMBER OF DAYS WITH PARTLY CLOUDY SKIES.................. 13
NUMBER OF DAYS WITH CLOUDY SKIES......................... 11
HIGHEST SEA LEVEL PRESSURE........ 30.67 ON THE 30TH AT 2013
LOWEST SEA LEVEL PRESSURE.......... 29.28 ON THE 2ND AT 1631
 
...HIGHLIGHTS...
RECORD WARM LOW OF 59 AND RECORD WARM MEAN TEMPERATURE OF 64 ON THE
10TH.  RECORD PRECIPITATION FOR THE 2ND OF 1.72 INCHES.  THIS ALSO
TIED FOR THE 5TH GREATEST DAILY AMOUNT FOR ANY DAY IN NOVEMBER.
THE MONTHLY AVERAGE OF 46.7 DEGREES MADE IT THE 11TH WARMEST NOVEMBER
ON RECORD.
 
A 16-DAY DRY SPELL FROM THE 4TH THROUGH THE 19TH.
 

 


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