2001 International Airport, Kansas City, Missouri (MCI)

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2001 INTERNATIONAL AIRPORT, KANSAS CITY, MISSOURI (MCI)

The National Weather Service Office at Kansas City is very near the geographical center of the United States. The surrounding terrain is gently rolling. It has a modified continental climate. There are no natural topographic obstructions to prevent the free sweep of air from all directions. The influx of moist air from the Gulf of Mexico, or dry air from the semi–arid regions of the southwest, determine whether wet or dry conditions will prevail. There is often conflict between the warm moist gulf air and the cold polar continental air from the north in this area.

Early spring brings a period of frequent and rapid fluctuations in weather, with the fluctuations generally less frequent as spring progresses. The summer season is characterized by warm days and mild nights, with moderate humidities. July is the warmest month. The fall season is normally mild and usually includes a period near the middle of the season characterized by mild, sunny days, and cool nights. Winters are not severely cold. January is the coldest month. Falls of snow to a depth of 10 inches or more are comparatively rare. The distribution of measurable snow normally extends from November to April.

Nearly 60 percent of the annual precipitation occurs during the six months from April through September. More than 75 percent of the annual moisture normally falls during the growing season. The frequency and distribution of precipitation over a normal day is also important. The maximum frequency of precipitation, from April through October, occurs during the six hours following midnight and the minimum frequency occurs during the six hours following noon.

NORMALS, MEANS, AND EXTREMES

KANSAS CITY, MO (MCI)

LATITUDE:    LONGITUDE:    ELEVATION (FT):    TIME ZONE:    WBAN: 03947

39 17′ 57″ N  94 43′ 04″ W  GRND: 1005  BARO: 1008  CENTRAL (UTC + 6)

ELEMENTPORJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECYEAR
TEMPERATURE FNORMAL DAILY MAXIMUM3034.740.652.865.174.383.388.786.478.167.552.638.863.6
MEAN DAILY MAXIMUM2935.742.353.864.874.483.388.786.978.566.951.839.863.9
HIGHEST DAILY MAXIMUM296977869395105107109106928274109
YEAR OF OCCURRENCE198919951986198719981980197419842000197619902001AUG 1984
MEAN OF EXTREME MAXS.2957.065.977.383.987.793.898.798.492.785.071.661.781.1
NORMAL DAILY MINIMUM3016.721.832.643.853.963.168.265.756.945.733.621.943.7
MEAN DAILY MINIMUM2918.023.433.243.854.163.168.666.357.045.733.722.444.1
LOWEST DAILY MINIMUM29-17-19-10123042514331171-23-23
YEAR OF OCCURRENCE198219821978197519761990199719861995199319911989DEC 1989
MEAN OF EXTREME MINS.29-2.61.913.026.839.849.257.654.940.128.116.50.727.2
NORMAL DRY BULB3025.731.242.754.564.173.278.576.167.556.643.130.453.6
MEAN DRY BULB2926.932.943.554.264.273.278.876.567.856.342.731.154.0
MEAN WET BULB1826.230.638.447.958.766.670.869.161.050.638.127.648.8
MEAN DEW POINT1820.724.631.341.053.762.667.165.656.844.832.722.643.6
NORMAL NO. DAYS WITH:
MAXIMUM 90300.00.00.00.40.35.816.311.73.90.20.00.038.6
MAXIMUM 323012.28.81.80.10.00.00.00.00.00.01.98.733.5
MINIMUM 323028.121.914.33.80.10.00.00.00.02.213.526.4110.3
MINIMUM 0304.12.60.20.00.00.00.00.00.00.00.02.39.2
H/CNORMAL HEATING DEG. DAYS3012189466913251357065627965710735393
NORMAL COOLING DEG. DAYS300001010725341935013118001288
RHNORMAL (PERCENT)3069706763686967707067707168
HOUR 00 LST3072747268757875787873747474
HOUR 06 LST3076777877828484868680797881
HOUR 12 LST3063645955585857595956626560
HOUR 18 LST3064635752565754585959656759
SPERCENT POSSIBLE SUNSHINE2358555862616672676660494960
W/OMEAN NO. DAYS WITH:
HEAVY FOG(VISBY 1/4 MI)303.02.92.01.11.20.80.61.31.31.51.93.120.7
THUNDERSTORMS300.40.92.64.98.09.28.16.75.63.01.30.551.2
CLOUDINESSMEAN:
SUNRISE-SUNSET (OKTAS)15.64.0
MIDNIGHT-MIDNIGHT (OKTAS)16.4
MEAN NO. DAYS WITH:
CLEAR14.05.010.06.07.0
PARTLY CLOUDY11.01.05.09.0
CLOUDY13.09.09.05.0
PRMEAN STATION PRESSURE(IN)2929.0028.9928.9028.9028.8828.8928.9028.9028.9929.0029.0029.0128.95
MEAN SEA-LEVEL PRES. (IN)1730.1430.1130.0329.9529.9230.0129.9730.0030.0230.0630.0730.1630.04
WINDSMEAN SPEED (MPH)2911.211.112.212.310.39.99.28.89.610.511.210.910.6
PREVAIL. DIR (TENS OF DEGS)2920191918181819191818181918
MAXIMUM 2-MINUTE:
SPEED (MPH)639404648435158374140373758
DIR. (TENS OF DEGS)32202320270102361421222002
YEAR OF OCCURRENCE200020002000200119962000200020011996199619982001JUL 2000
MAXIMUM 5-SECOND:
SPEED (MPH)648525859556174554952524574
DIR. (TENS OF DEGS)32192318203601141423333301
YEAR OF OCCURRENCE200020002000200119992000200020011996199619971997JUL 2000
PRECIPITATIONNORMAL (IN)301.091.102.513.125.044.724.384.014.863.291.921.5837.62
MAXIMUM MONTHLY (IN)292.663.259.088.4312.7511.8615.479.5811.348.155.125.4215.47
YEAR OF OCCURRENCE198220011973199919952001199219821977199819921980JUL 1992
MINIMUM MONTHLY (IN)290.020.200.330.661.051.800.250.501.130.210.030.00
YEAR OF OCCURRENCE19861991199420001992198819752000197419881996NOV
MAXIMUM IN 24 HOURS (IN)291.831.853.074.694.264.485.086.198.824.922.153.678.82
YEAR OF OCCURRENCE198219972001197519742001198619821977197319981980SEP 1977
NORMAL NO. DAYS WITH:
PRECIPITATION 0.01307.17.210.310.311.310.37.38.98.17.87.77.6103.9
PRECIPITATION 1.00300.10.10.40.41.61.21.11.11.51.00.40.49.3
SNOWFALLNORMAL (IN)305.85.23.10.80.00.00.00.00.0T1.24.520.6
MAXIMUM MONTHLY (IN)2914.215.711.47.2TTTTT6.57.113.215.7
YEAR OF OCCURRENCE197719931978198319901994199220011992199619751983FEB 1993
MAXIMUM IN 24 HOURS (IN)299.510.89.24.0TTTTT6.56.110.810.8
YEAR OF OCCURRENCE199319931990198319901994199220011992199619751987FEB 1993
MAXIMUM SNOW DEPTH (IN)2812119200000071112
YEAR OF OCCURRENCE197919791990199419751987JAN 1979
NORMAL NO. DAYS WITH:
SNOWFALL 1.0302.11.80.90.30.00.00.00.00.00.00.51.26.8
PRECIPITATION (inches) 2001 INTERNATIONAL AIRPORT, MO (MCI)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
19720.560.412.133.982.182.713.432.902.692.293.001.4727.75
19732.051.359.082.915.652.848.711.6010.325.802.362.5955.26
19741.051.121.182.9410.072.161.134.981.137.221.621.5236.12
19752.141.591.496.613.452.460.254.856.100.352.752.0334.07
19760.530.662.533.305.495.080.770.761.412.840.210.1023.68
19771.150.572.592.355.436.182.747.9911.347.671.360.3749.74
19780.391.321.775.364.982.645.492.664.040.333.931.0533.96
19792.350.782.962.353.005.374.683.661.163.561.830.0531.75
19801.601.443.641.023.062.521.994.891.634.130.455.4231.79
19810.490.311.431.949.467.448.432.432.714.142.840.4542.07
19822.661.132.941.559.816.042.739.581.583.042.213.9447.21
19830.580.572.935.526.035.030.260.861.893.853.941.4232.88
19840.141.964.526.822.264.143.910.753.426.041.243.5738.77
19850.942.692.051.757.003.565.826.989.237.513.951.2452.72
19860.021.251.342.124.762.488.363.1610.403.171.181.2039.44
19870.772.262.852.244.744.583.004.643.661.321.882.0533.99
19881.400.721.432.152.141.801.211.878.480.211.960.8524.22
19890.980.592.131.504.563.444.767.388.872.88T0.5537.64
19901.202.113.902.477.366.274.405.041.282.463.011.1140.61
19911.370.202.364.993.693.061.721.352.123.712.052.0828.70
19921.212.013.794.921.053.8415.472.375.691.385.123.7850.63
19931.961.282.215.597.305.6710.903.987.631.752.071.1251.46
19940.631.470.336.981.292.452.793.542.651.273.181.7628.34
19951.421.351.122.1212.753.364.644.001.850.501.180.4034.69
19961.120.351.281.8010.297.514.832.973.443.673.150.0340.44
19970.692.941.164.134.632.903.532.493.342.981.952.3333.07
19980.971.103.442.151.759.224.973.618.698.154.291.1949.53
19992.301.711.498.435.628.670.511.565.320.671.632.1840.09
20000.462.212.930.664.557.556.020.503.133.552.590.8134.96
20012.083.253.884.034.8111.866.265.487.982.560.560.7553.50
POR=111 YRS1.311.452.573.414.854.904.043.854.362.951.931.4137.03
AVERAGE TEMPERATURE (F) 2001 INTERNATIONAL AIRPORT, MO (MCI)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
197227.333.247.157.467.176.977.277.370.953.939.627.554.6
197327.333.847.751.861.574.576.677.166.760.745.530.154.4
197423.835.346.956.265.670.582.173.061.657.742.832.254.0
197529.927.836.552.867.174.280.979.863.558.945.934.154.3
197627.542.745.056.360.071.379.077.769.050.835.929.053.7
197715.635.148.059.769.074.579.774.469.055.742.329.554.4
197816.819.537.655.562.174.679.376.573.656.444.431.052.3
197912.520.942.251.663.572.275.975.768.657.740.735.251.4
198028.725.238.754.663.975.385.280.369.654.144.532.154.4
198130.333.445.261.160.574.178.372.968.455.345.629.054.5
198218.627.842.551.165.568.879.475.067.555.641.935.552.4
198330.135.943.146.359.670.881.583.571.257.244.313.253.1
198425.038.936.050.360.474.376.179.066.156.843.935.553.5
198518.725.347.457.966.068.877.072.166.756.536.822.951.3
198634.530.548.557.165.276.579.772.071.856.937.934.555.4
198729.739.447.156.870.676.079.976.467.852.046.735.156.5
198826.727.943.254.569.178.179.681.370.552.244.835.255.3
198937.722.843.856.963.271.177.875.563.257.942.321.152.8
199037.936.245.752.760.475.577.377.172.157.150.129.356.0
199122.939.447.256.767.676.180.677.768.857.636.736.155.6
199235.939.846.953.162.669.774.470.766.156.639.032.954.0
199325.928.639.850.463.572.977.677.862.853.639.434.552.2
199425.230.046.053.864.675.876.075.367.757.546.336.554.6
199528.235.945.052.559.472.778.278.965.257.140.131.153.7
199623.134.237.752.864.573.875.274.964.856.337.029.752.0
199724.433.845.348.859.973.177.774.569.257.940.733.553.2
199833.841.339.154.371.173.577.877.072.458.648.034.856.8
199927.841.242.654.663.471.581.076.365.757.051.935.855.7
200031.840.847.155.067.371.276.881.871.059.936.619.154.9
200129.230.040.060.366.172.180.777.465.756.051.237.355.5
POR=112 YRS29.033.143.355.365.174.479.377.769.658.544.233.055.2

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 INTERNATIONAL AIRPORT, MO (MCI)
YEARJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNTOTAL
1972-7310373557511155116086852939412705377
1973-740053173578107712728235592708464895
1974-75061412276601009108410368783814255469
1975-7600142226567954115564061627717864761
1976-770045469865110815278325211922205581
1977-78002129367310941487126684829117266151
1978-79002827261810501624123069840011556040
1979-805535247720918111811488093279835433
1980-8100633476091011106988060716917924936
1981-82024030957311121432103769041651325694
1982-8302783076889111074810675557180295311
1983-8400572716171602123475089144317516041
1984-85001432696249071431110253825641195330
1985-860313126084112979409605282676005287
1986-870122325180593810887125492981504691
1987-880330398552922118010696683111905152
1988-892118394599915836117665831913575060
1989-90011382676751360836800601398167105253
1990-911044278452110412967095532586204757
1991-92009627784188889872455436713764788
1992-9307802717739871203101177543188265652
1993-940211836576093812279745813539115410
1994-950469252552878113580761337019614877
1995-960011125574310471295891840381110105683
1996-9700952918351089125286560347618415691
1997-98302529072097196065880632318274801
1998-99009213505930114565669031384124557
1999-00009426139289810246945543035894287
2000-0100521958451416110297276819067165623
2001-0071280407854
COOLING DEGREE DAYS (base 65 F) 2001 INTERNATIONAL AIRPORT, MO (MCI)
YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANNUAL
19720374114636838638921916001575
197300043029136838211046001231
197400413109176538264478001159
19750002211728449846410543101534
1976000222919944439916934001296
19770003915429146329814711001403
1978005148630045236429511801535
197900137722934834014729001174
1980000216931663248321015001746
1981000584427941825314914001215
198200087515445232015826001193
198300351921051758225131101619
198400094128735344518423001342
198500049771373792301915001068
1986002435733524662372327001426
1987000581963364743641181901556
198800251514004595141885001724
198900985881964023348756001257
19900083333331394384263401101497
19910091615433949039921954001680
199200120711542981911211900875
19930000492713984065519001198
1994000238633134533315428001300
199500012723941743812318001263
1996000191052823253139429001167
199700003324840330015975001218
199800101021329140737823720001566
199900074221550135812324401274
20000041013420236952823941001527
2001000581092394953921008101402
SNOWFALL (inches) 2001 INTERNATIONAL AIRPORT, MO (MCI)
YEARJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNTOTAL
1972-730.00.00.00.03.63.110.90.30.01.30.00.019.2
1973-740.00.00.00.0T8.04.80.30.50.30.00.013.9
1974-750.00.00.00.01.41.25.44.65.92.30.00.020.8
1975-760.00.00.00.07.12.85.25.21.50.00.00.021.8
1976-770.00.00.0T0.80.214.20.3T0.60.00.016.1
1977-780.00.00.00.0T1.23.912.711.40.00.00.029.2
1978-790.00.00.00.00.211.713.31.54.72.00.00.033.4
1979-800.00.00.00.0TT5.412.75.40.00.00.023.5
1980-810.00.00.0TT3.24.02.90.10.00.00.010.2
1981-820.00.00.00.00.15.36.012.74.01.30.00.029.4
1982-830.00.00.00.00.50.76.37.41.37.20.00.023.4
1983-840.00.00.00.00.713.21.30.58.70.00.00.024.4
1984-850.00.00.00.00.47.011.86.90.30.00.00.026.4
1985-860.00.00.00.03.55.4T4.5TT0.00.013.4
1986-870.00.00.0T0.61.210.55.0T0.00.00.017.3
1987-880.00.00.0T2.011.90.99.32.20.00.00.026.3
1988-890.00.00.00.00.10.10.26.5T0.0TT6.9
1989-900.00.00.00.0T6.81.02.19.60.0T0.019.5
1990-910.00.00.00.01.71.612.1T1.2T0.00.016.6
1991-920.00.00.00.04.60.2T2.00.52.80.00.010.1
1992-93T0.0TT4.10.812.015.71.10.60.0T34.3
1993-940.00.00.0T0.52.71.410.30.52.60.0T18.0
1994-950.00.00.00.00.02.51.30.72.4T0.00.06.9
1995-960.00.00.00.00.75.311.4T0.71.00.0
1996-976.54.80.59.86.30.01.3T0.0
1997-980.00.00.01.00.510.90.61.05.60.0TT19.6
1998-990.00.00.00.00.01.44.34.72.5T0.00.012.9
1999-000.00.00.00.00.03.94.92.12.00.0T0.012.9
2000-010.00.00.00.0T11.82.07.71.30.0TT22.8
2001-0.0TTT0.0T
POR=66 YRST0.0TT1.14.55.54.43.30.9TT19.7

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