More On The Fake NOAA Late Winter Trend

I did some more research on my theory that the NOAA later winters hockey stick since 1990 is due to missing data. In the first graph below I plotted the number of valid days per month for the 100 stations with the fastest trend towards a later winter. As I expected, these stations have dropped from thirty days of valid temperatures per month in 1990, to six days per month now.

This confirms my suspicion that the apparent trend towards later winter since 1990 is largely due to data loss. If a station is missing temperature readings in October and November, that will cause the average date of the first freeze to come later.

Stations used in this analysis :

FREMONT 5 NW OR US USC00353095
WEST YELLOWSTONE MT US USC00248857
FORKS 4 NNE MT US USC00243089
FORTINE 1 N MT US USC00243139
WELLSBURG WTR TRMT PL WV US USC00469368
FRANKLIN NE US USC00253035
KALAMAZOO STATE HOSPITAL MI US USC00204244
CHELSEA VT US USC00431360
COLLBRAN CO US USC00051741
GREENVILLE 2 NE PA US USC00363526
WAHPETON 3 N ND US USC00329100
CORTLAND NY US USC00301799
HETTINGER ND US USC00324178
JOHNSTOWN PA US USC00364385
CORINNE UT US USC00421731
LAKE SPAULDING CA US USC00044713
BROCKPORT NY US USC00300937
PALMERTON PA US USC00366689
ASHLAND EXP FARM WI US USC00470349
WOODSTOCK MD US USC00189750
LOCKPORT 4E NY US USC00304844
FAYETTE 4 SW MI US USC00202737
KLAMATH FALLS 2 SSW OR US USC00354506
CAMBRIDGE WATER TRMT P MD US USC00181385
DELAWARE OH US USC00332119
CAMBRIDGE CITY 3 N IN US USC00121229
ROSEAU MN US USC00217087
GRAFTON ND US USC00323594
FREDERICKSBURG NP VA US USC00443192
MILLINGTON 1 SE MD US USC00185985
OWINGS FERRY LANDING MD US USC00186770
WHEATFIELD IN US USC00129511
LUSK 2 SW WY US USC00485830
MUNISING MI US USC00205690
HERMISTON 1 SE OR US USC00353847
MILFORD 2 SE DE US USC00075915
STEAMBOAT SPRINGS CO US USC00057936
MEDICINE LODGE KS US USC00145173
COLVILLE WA US USC00451630
HEBER UT US USC00423809
LEWISTON ME US USC00174566
THOMPSON UT US USC00428705
QUINCY CA US USC00047195
HOBART 2 WNW IN US USC00124008
SHELBYVILLE 1 E KY US USC00157324
TAUNTON MA US USC00198367
GLOVERSVILLE NY US USC00303319
FOSSTON 1 E MN US USC00212916
MOTT ND US USC00326155
VACAVILLE CA US USC00049200
PLAIN DEALING LA US USC00167344
GOLDENDALE WA US USC00453222
DARLINGTON WI US USC00472001
TELLURIDE 4WNW CO US USC00058204
FRANKFORT DOWNTOWN KY US USC00153028
KENTON OK US USC00344766
COEUR D’ALENE ID US USC00101956
MERRIMAN NE US USC00255470
TUCSON WFO AZ US USC00028815
MILLINOCKET ME US USC00175304
LAKEVIEW 2 NNW OR US USC00354670
MORRISVILLE 6 SW NY US USC00305512
MCLEANSBORO IL US USC00115515
CONCONULLY WA US USC00451666
PORT TOWNSEND WA US USC00456678
MILBANK 4 NW SD US USC00395536
DAHLONEGA 4WSW GA US USC00092475
LAWTON OK US USC00345063
GOLDSBORO 4 SE NC US USW00013713
SAINT PAUL NE US USC00257515
GOLCONDA NV US USC00263245
BAUDETTE MN US USC00210515
SANTA ROSA CA US USC00047965
MORGAN POWER & LIGHT UT US USC00425826
PARKER AZ US USC00026250
LISBON ND US USC00325220
RED RIVER NM US USC00297323
BOONTON 1 SE NJ US USC00280907
PAROWAN UT US USC00426686
SNAKE CREEK POWERHOUSE UT US USC00427909
PANGUITCH UT US USC00426601
UNIONVILLE MO US USC00238523
SNOQUALMIE FALLS WA US USC00457773
DILLON 1 E CO US USC00052281
WANAKENA RNGR SCHOOL NY US USC00308944
HILLSBORO 3 N ND US USC00324203
MILLEN 4 N GA US USC00095882
HEALDSBURG CA US USC00043875
WILLIAMSTOWN KY US USC00158714
MORAN 5WNW WY US USC00486440
SACATON AZ US USC00027370
UKIAH CA US USC00049122
TUSTIN IRVINE RCH CA US USC00049087
LAKETOWN UT US USC00424856
DICKINSON EXP STN ND US USC00322188
BEND OR US USC00350694
NORTH LOUP NE US USC00256040
CLARK SD US USC00391739
GAGE NM US USC00293368
ELECTRA P H CA US USC00042728

 

via The Deplorable Climate Science Blog

http://ift.tt/2yXrRIm

October 30, 2017 at 07:43AM

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