2001 Avoca, Wilkes–Barre – Scranton Pennsylvania (AVP)

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2001 AVOCA, WILKES–BARRE – SCRANTON PENNSYLVANIA (AVP)

The Wilkes–Barre Scranton National Weather Service Office is located about midway between the two cities, at the southwest end of the crescent–shaped Lackawanna River Valley. The river flows through this valley and empties into the Susquehanna River and the Wyoming Valley a few miles west of the airport. The surrounding mountains protect both cities and the airport from high winds. They influence the temperature and precipitation during both summer and winter, causing wide departures in both within a few miles of the station. Because of the proximity of the mountains, the climate is relatively cool in summer with frequent shower and thunderstorm activity, usually of brief duration. The winter temperatures in the valley are not severe. The occurrence of sub–zero temperatures and severe snowstorms is infrequent. A high percentage of the winter precipitation occurs as rain.

Although severe snowstorms are infrequent, when they do occur they approach blizzard conditions. High winds cause huge drifts and normal routines are disrupted for several days.

While the incidence of tornadoes is very low, Wilkes–Barre has occasionally been hit with these storms which caused loss of life and great property damage.

The area has felt the effects of tropical storms. Considerable wind damage has occasionally occurred, but the most devastating damage has come from flooding caused by the large amounts of precipitation deposited by the storms. The worst natural disaster to hit the region was the result of the flooding caused by a hurricane.

NORMALS, MEANS, AND EXTREMES

AVOCA, PA (AVP)

LATITUDE:    LONGITUDE:    ELEVATION (FT):    TIME ZONE:    WBAN: 14777

41 20′ 20″ N  75 43′ 36″ W  GRND:  955  BARO:  958  EASTERN (UTC + 5)

ELEMENTPORJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECYEAR
TEMPERATURE FNORMAL DAILY MAXIMUM3031.834.545.557.869.377.581.879.772.461.048.836.658.1
MEAN DAILY MAXIMUM5233.335.844.958.269.678.082.280.272.261.648.637.158.5
HIGHEST DAILY MAXIMUM466771859293971019895848069101
YEAR OF OCCURRENCE196719851998197619621964198820011983195919821998JUL 1988
MEAN OF EXTREME MAXS.5254.355.267.980.286.190.392.289.986.478.268.157.275.5
NORMAL DAILY MINIMUM3017.519.028.338.148.356.861.660.052.842.133.923.440.1
MEAN DAILY MINIMUM5218.720.127.938.248.056.861.459.952.341.933.423.440.2
LOWEST DAILY MINIMUM46−21−16−4142734433829199−9−21
YEAR OF OCCURRENCE199419791967198219741972197919822000197220001989JAN 1994
MEAN OF EXTREME MINS.52−.41.19.923.634.243.149.246.736.727.718.14.724.6
NORMAL DRY BULB3024.726.836.948.058.867.271.769.962.651.541.430.049.1
MEAN DRY BULB5226.028.036.248.158.767.471.870.162.351.741.030.349.3
MEAN WET BULB1524.326.232.842.552.261.065.263.657.046.937.326.744.6
MEAN DEW POINT1518.219.124.934.542.556.361.159.753.441.731.521.038.7
NORMAL NO. DAYS WITH:
MAXIMUM 90300.00.00.00.10.21.43.31.70.50.00.00.07.2
MAXIMUM 323015.711.73.40.20.00.00.00.00.00.01.410.342.7
MINIMUM 323028.024.320.88.20.60.00.00.0*4.313.625.1124.9
MINIMUM 0302.31.10.10.00.00.00.00.00.00.00.00.64.1
H/CNORMAL HEATING DEG. DAYS30124910708715102173801110942370810856291
NORMAL COOLING DEG. DAYS3000002510421016337000539
RHNORMAL (PERCENT)3070686360657071747572727269
HOUR 01 LST3072706766728081838378757575
HOUR 07 LST3075747372778384878884797779
HOUR 13 LST3066635752535757596260656860
HOUR 19 LST3067635853566162667066687063
SPERCENT POSSIBLE SUNSHINE4141475053576162615552363451
W/OMEAN NO. DAYS WITH:
HEAVY FOG(VISBY 1/4 MI)461.92.11.91.41.11.11.61.82.72.01.72.221.5
THUNDERSTORMS460.10.20.82.03.45.66.34.72.41.00.40.227.1
CLOUDINESSMEAN:
SUNRISE-SUNSET (OKTAS)416.05.85.75.45.45.04.84.84.84.85.96.05.4
MIDNIGHT-MIDNIGHT (OKTAS)325.75.45.45.05.04.64.54.44.64.65.75.95.1
MEAN NO. DAYS WITH:
CLEAR424.34.55.66.26.06.86.17.17.08.23.83.769.3
PARTLY CLOUDY427.17.07.77.59.510.912.511.39.48.26.76.5104.3
CLOUDY4219.616.717.716.315.512.311.711.813.013.918.719.9187.1
PRMEAN STATION PRESSURE(IN)2829.0029.0029.0029.0029.0028.9929.0029.1029.0929.1029.0929.1029.04
MEAN SEA-LEVEL PRES. (IN)1630.0730.0630.0429.9629.9829.9730.0030.0430.0830.1030.0930.1030.04
WINDSMEAN SPEED (MPH)408.88.99.59.28.27.77.16.97.27.58.38.48.1
PREVAIL. DIR (TENS OF DEGS)2623233222222224232223222323
MAXIMUM 2-MINUTE:
SPEED (MPH)536383934453639464534374346
DIR. (TENS OF DEGS)23262826312936253226312625
YEAR OF OCCURRENCE199919972000200019982000200119971998200119972000AUG 1997
MAXIMUM 5-SECOND:
SPEED (MPH)549465345554547555143515455
DIR. (TENS OF DEGS)13242525313101233527152631
YEAR OF OCCURRENCE199919971997200019982000200119972001200119992000MAY 1998
PRECIPITATIONNORMAL (IN)302.102.152.552.973.653.983.793.323.312.793.062.5136.18
MAXIMUM MONTHLY (IN)466.488.064.839.568.027.227.256.789.768.127.696.589.76
YEAR OF OCCURRENCE197919811977198319891982198619941999197619721983SEP 1999
MINIMUM MONTHLY (IN)460.390.300.490.960.770.271.040.950.820.030.800.350.03
YEAR OF OCCURRENCE198019681981199719591966199319951964196319761958OCT 1963
MAXIMUM IN 24 HOURS (IN)462.073.113.023.802.583.612.833.186.524.283.602.866.52
YEAR OF OCCURRENCE199619811986198319721973200019661985199519961983SEP 1985
NORMAL NO. DAYS WITH:
PRECIPITATION 0.013012.010.712.112.213.112.411.310.99.99.912.413.0139.9
PRECIPITATION 1.00300.20.30.30.50.80.80.80.70.80.70.60.36.8
SNOWFALLNORMAL (IN)3012.410.68.02.80.10.00.00.00.00.14.18.646.7
MAXIMUM MONTHLY (IN)4142.322.032.026.72.40.0TTT4.422.533.942.3
YEAR OF OCCURRENCE19941964199319831977199519931993196219711969JAN 1994
MAXIMUM IN 24 HOURS (IN)4120.613.320.412.22.40.0TTT4.420.512.420.6
YEAR OF OCCURRENCE19961961199319831977199519931993196219711969JAN 1996
MAXIMUM SNOW DEPTH (IN)4627252114000002172227
YEAR OF OCCURRENCE1994196119931983196219711969JAN 1994
NORMAL NO. DAYS WITH:
SNOWFALL 1.0303.33.02.40.60.*0.00.00.00.00.01.02.212.5
PRECIPITATION (inches) 2001 TULSA, OK (TUL)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
19720.170.490.914.452.432.692.685.162.957.585.001.0335.54
19733.390.7411.947.225.307.696.474.706.566.166.323.3969.88
19740.793.172.623.656.947.880.555.3011.786.407.302.8859.26
19752.613.445.452.207.226.752.143.523.341.473.533.0444.71
19760.210.843.958.276.751.874.371.172.602.650.680.5533.91
19771.431.575.582.055.726.692.004.865.572.752.310.9341.46
19780.812.842.997.149.286.060.361.370.130.955.480.7838.19
19792.070.813.974.476.158.902.684.770.282.205.600.4542.35
19802.071.323.593.447.235.570.092.343.472.050.791.3733.33
19810.691.631.671.906.703.316.222.473.116.732.250.2036.88
19823.580.671.041.289.304.131.651.422.951.224.613.3935.24
19832.951.982.193.886.851.470.580.652.119.332.140.6134.74
19841.001.956.722.4411.251.720.481.962.776.982.808.7048.77
19851.245.745.395.624.197.632.381.913.296.266.271.3951.31
19860.001.222.285.106.974.231.153.968.365.532.990.9742.76
19872.214.722.200.7010.022.314.203.723.521.275.175.8745.91
19881.111.036.523.181.170.584.202.435.371.434.381.8233.22
19892.942.263.140.343.955.164.096.693.322.800.150.2635.10
19902.934.146.515.315.211.080.241.834.192.152.412.9438.94
19911.470.381.022.585.113.640.351.176.155.121.984.5733.54
19920.481.321.374.755.658.412.123.092.663.534.835.2143.42
19932.862.764.596.863.792.422.296.901.131.691.76
19940.682.213.356.572.812.7311.394.123.603.687.101.2149.45
19950.930.571.835.9210.739.842.551.444.961.050.251.7741.84
19960.470.162.071.402.143.643.221.345.045.607.160.1032.34
19970.273.411.394.091.665.775.647.893.062.071.634.3241.20
19983.490.307.304.542.523.364.311.675.139.143.261.5846.60
19993.031.253.557.209.555.210.400.429.701.751.325.1048.48
20000.891.333.772.717.016.256.580.011.106.323.511.6241.10
20012.092.620.771.196.323.040.512.261.952.813.332.2529.14
POR=65 YRS1.571.822.863.995.524.603.222.974.213.552.682.0539.04
AVERAGE TEMPERATURE (F) 2001 AVOCA, WILKES–BARRE – SCRANTON PA (AVP)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
197234.841.853.062.868.079.580.481.775.560.943.633.759.6
197334.039.854.358.267.576.781.279.372.365.053.438.160.0
197434.143.755.261.872.173.885.478.364.763.049.139.760.1
197539.936.945.360.469.176.081.282.269.263.250.840.159.5
197637.251.151.961.563.075.081.479.772.856.143.137.159.2
197726.946.655.064.472.681.084.881.775.662.251.139.061.7
197824.929.447.563.568.377.687.884.380.663.551.638.059.8
197923.130.252.461.068.777.883.481.874.766.247.544.459.3
198038.637.148.361.170.682.591.789.778.361.550.542.362.7
198137.643.653.368.065.980.085.979.473.960.951.438.561.5
198233.638.255.359.372.974.784.285.374.663.450.644.461.4
198339.142.949.055.467.076.684.788.177.464.552.926.760.4
198434.446.448.358.067.580.182.082.771.563.850.444.760.8
198530.235.954.763.370.675.882.981.774.663.147.834.559.6
198642.843.255.062.669.479.786.678.274.761.043.640.061.4
198736.045.451.563.274.178.981.983.172.459.351.641.461.6
198834.839.349.359.571.079.982.683.073.258.551.743.460.5
198943.431.949.363.369.274.880.280.468.764.052.731.659.1
199046.146.153.259.667.482.183.283.578.361.256.438.563.0
199134.748.355.163.873.780.084.982.972.764.345.844.662.6
199242.850.154.961.667.674.781.876.672.860.845.938.660.7
199335.737.846.855.866.076.884.483.568.656.244.542.358.2
199435.239.052.960.467.480.579.378.470.963.452.042.760.2
199539.444.251.558.365.574.182.384.670.562.848.839.460.1
199635.443.045.459.272.978.581.679.870.061.444.942.159.5
199735.944.152.455.966.975.581.778.373.962.046.039.359.3
199840.144.846.757.872.979.985.484.180.863.053.440.862.5
199939.050.048.861.568.175.484.484.669.862.357.743.462.1
200040.048.053.259.570.874.481.486.875.766.243.828.660.7
200135.341.347.166.470.678.287.485.271.962.055.243.662.0
POR=66 YRS36.741.649.960.969.077.582.781.873.362.849.340.060.5

REFERENCE NOTES:

PAGE 1:

THE TEMPERATURE GRAPH SHOWS NORMAL MAXIMUM AND NORMAL MINIMUM DAILY TEMPERATURES (SOLID CURVES) AND THE ACTUAL DAILY HIGH AND LOW TEMPERATURES (VERTICAL BARS).

PAGE 2 AND 3:

H/C INDICATES HEATING AND COOLING DEGREE DAYS.

RH INDICATES RELATIVE HUMIDITY

W/O INDICATES WEATHER AND OBSTRUCTIONS

S INDICATES SUNSHINE.

PR INDICATES PRESSURE.

CLOUDINESS ON PAGE 3 IS THE SUM OF THE CEILOMETER AND SATELLITE DATA NOT TO EXCEED EIGHT EIGHTHS (OKTAS).

GENERAL:

T INDICATES TRACE PRECIPITATION, AN AMOUNT GREATER THAN ZERO BUT LESS THAN THE LOWEST REPORTABLE VALUE.

+ INDICATES THE VALUE ALSO OCCURS ON EARLIER DATES.

BLANK ENTRIES DENOTE MISSING OR UNREPORTED DATA.

NORMALS ARE 30–YEAR AVERAGES (1961–1990).

ASOS INDICATES AUTOMATED SURFACE OBSERVING SYSTEM.

PM INDICATES THE LAST DAY OF THE PREVIOUS MONTH.

POR (PERIOD OF RECORD) BEGINS WITH THE JANUARY DATA MONTH AND IS THE NUMBER OF YEARS USED TO COMPUTE THE MEAN. INDIVIDUAL MONTHS WITHIN THE POR MAY BE MISSING.

WHEN THE POR FOR A NORMAL IS LESS THAN 30 YEARS, THE NORMAL IS PROVISIONAL AND IS BASED ON THE NUMBER OF YEARS INDICATED.

0.* OR * INDICATES THE VALUE OR MEAN–DAYS–WITH IS BETWEEN 0.00 AND 0.05.

CLOUDINESS FOR ASOS STATIONS DIFFERS FROM THE NON–ASOS OBSERVATION TAKEN BY A HUMAN OBSERVER. ASOS STATION CLOUDINESS IS BASED ON TIME–AVERAGED CEILOMETER DATA FOR CLOUDS AT OR BELOW 12,000 FEET AND ON SATELLITE DATA FOR CLOUDS ABOVE 12,000 FEET.

THE NUMBER OF DAYS WITH CLEAR, PARTLY CLOUDY, AND CLOUDY CONDITIONS FOR ASOS STATIONS IS THE SUM OF THE CEILOMETER AND SATELLITE DATA FOR THE SUNRISE TO SUNSET PERIOD.

GENERAL CONTINUED:

CLEAR INDICATES 0–2 OKTAS, PARTLY CLOUDY INDICATES 3–6 OKTAS, AND CLOUDY INDICATES 7 OR 8 OKTAS. WHEN AT LEAST ONE OF THE ELEMENTS (CEILOMETER OR SATELLITE) IS MISSING, THE DAILY CLOUDINESS IS NOT COMPUTED.

WIND DIRECTION IS RECORDED IN TENS OF DEGREES (2 DIGITS) CLOCKWISE FROM TRUE NORTH. "00" INDICATES CALM. "36" INDICATES TRUE NORTH.

RESULTANT WIND IS THE VECTOR AVERAGE OF THE SPEED AND DIRECTION.

AVERAGE TEMPERATURE IS THE SUM OF THE MEAN DAILY MAXIMUM AND MINIMUM TEMPERATURE DIVIDED BY 2.

SNOWFALL DATA COMPRISE ALL FORMS OF FROZEN PRECIPITATION, INCLUDING HAIL.

A HEATING (COOLING) DEGREE DAY IS THE DIFFERENCE BETWEEN THE AVERAGE DAILY TEMPERATURE AND 65 F.

DRY BULB IS THE TEMPERATURE OF THE AMBIENT AIR.

DEW POINT IS THE TEMPERATURE TO WHICH THE AIR MUST BE COOLED TO ACHIEVE 100 PERCENT RELATIVE HUMIDITY.

WET BULB IS THE TEMPERATURE THE AIR WOULD HAVE IF THE MOISTURE CONTENT WAS INCREASED TO 100 PERCENT RELATIVE HUMIDITY.

ON JULY 1, 1996, THE NATIONAL WEATHER SERVICE BEGAN USING THE "METAR" OBSERVATION CODE THAT WAS ALREADY EMPLOYED BY MOST OTHER NATIONS OF THE WORLD. THE MOST NOTICEABLE DIFFERENCE IN THIS ANNUAL PUBLICATION WILL BE THE CHANGE IN UNITS FROM TENTHS TO EIGHTS (OKTAS) FOR REPORTING THE AMOUNT OF SKY COVER.

HEATING DEGREE DAYS (base 65 F) 2001 TULSA, OK (TUL)
YEARJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNTOTAL
1972-7300191836349649547003212334204050
1973-74002495343824951591341137503311
1974-750074944737777737806102051903805
1975-76005714642976285540240712610903293
1976-770016317648858117351130999103932
1977-7800111841280112369895411106704275
1978-7900012140683412939723911644704228
1979-80000905256328128015131542203549
1980-810013172438703843598360485803233
1981-8200231784028179677473222081153680
1982-8300231464376357946114923215003509
1983-8400198937811799415335092294703924
1984-8500731304386281073809330103703591
1985-8600461115109366806023221271303347
1986-87005148632771893544413149003555
1987-88001189416727928739483187903679
1988-890082183936626639214871555303560
1989-90006712637510295805273761945403328
1990-91008172271813933459327831703083
1991-9200351215706286824233111565302979
1992-930091515658129037555562805704088
1993-9400402946116959177213871865603907
1994-9500251263906837835744362197003306
1995-9600791124807869116406042041903835
1996-9700261525947018965793932754003656
1997-980031955637917645585812251263698
1998-990001093447477984154961341803061
1999-0000381302386647704873631832322898
2000-0100261006281121914657546931804103
2001-0020142298660
COOLING DEGREE DAYS (base 65 F) 2001 TULSA, OK (TUL)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
197206119914444648752433964002120
197300035124357508452249101501831
19740047482322706414197140201770
197500977156335509542192971201929
1976067285230752046125648001685
19770168424848661952532738002334
197800773180388713605476791402535
197900948167388577527298137602157
19800004320053383377441969642881
19810541459645665845229657102170
19820028442663006016373191061052316
198300340120353615725396802002352
198400025132464534556272100922094
198500195918533356452334057002080
198600206015744867641530331002110
1987002102290421532567230181902181
19880023020045455556426223102091
19890061071913004754831831051401864
1990001738137521571581416632102365
1991002953293458622562274108302402
19920056314029852636925129001681
199300179536060957915327001831
199400215513547045242421282801859
19950024269728254561825250001894
19960603727341052246318349001943
199730910106321524420278108001779
199800181626445964059848053522535
199902035118318607616190572501968
200000226211290517684353143102227
2001020139197401700630236561032374
SNOWFALL (inches) 2001 TULSA, OK (TUL)
YEARJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNTOTAL
1972-730.00.00.00.05.61.74.32.20.00.30.00.014.1
1973-740.00.00.00.0T1.8TTTT0.00.01.8
1974-750.00.00.00.01.7TT3.01.8T0.00.06.5
1975-760.00.00.00.00.81.3TTT0.00.00.02.1
1976-770.00.00.00.00.5T10.50.30.00.00.00.011.3
1977-780.00.00.00.0T0.05.46.3T0.00.00.011.7
1978-790.00.00.00.00.02.812.73.40.0T0.00.018.9
1979-800.00.00.00.0T0.00.43.8T0.00.00.04.2
1980-810.00.00.00.0T0.0T0.9T0.00.00.00.9
1981-820.00.00.00.00.0T0.35.6T0.00.00.05.9
1982-830.00.00.00.0TT3.81.4T0.00.00.05.2
1983-840.00.00.00.0T3.04.60.2T0.00.00.07.8
1984-850.00.00.00.00.06.63.34.30.00.00.00.014.2
1985-860.00.00.00.0T2.50.04.90.00.00.00.07.4
1986-870.00.00.00.00.00.08.74.60.00.00.00.013.3
1987-880.00.00.00.0T6.711.0T0.50.00.00.018.2
1988-890.00.00.00.00.42.73.40.39.70.00.00.016.5
1989-900.00.00.00.00.02.00.00.00.20.00.00.02.2
1990-910.00.00.00.00.04.6T1.4T0.0T0.06.0
1991-920.00.00.00.00.20.10.80.0TT0.00.01.1
1992-930.00.00.00.03.51.10.86.7TT0.00.012.1
1993-940.00.00.00.30.00.0TT14.1T0.0T14.4
1994-95T0.00.00.0T0.01.8T6.30.00.00.08.1
1995-960.00.00.00.01.8T1.05.00.00.00.00.07.8
1996-970.00.00.0TTT5.90.30.0T0.00.06.2
1997-98T0.00.00.0T0.64.00.0T0.00.00.04.6
1998-990.00.00.00.00.0T3.30.05.90.00.00.09.2
1999-000.00.00.00.00.0T7.10.02.20.00.00.09.3
2000-010.00.00.0T2.111.41.4T0.00.00.00.014.9
2001-0.00.00.00.03.0T
POR=66 YRST0.00.0T0.41.73.12.31.8TTT9.3

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2001 Avoca, Wilkes–Barre – Scranton Pennsylvania (AVP)

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2001 Avoca, Wilkes–Barre – Scranton Pennsylvania (AVP)