MEAN TEMP  010311 19100101 20101231 YORK

30 years 1910-1939 = 16.9 / 30 years 1981-2010 = 17.4 / Increase of .5 degrees C

19100101 19101231    16.8
19110101 19111231    16.6
19120101 19121231    17.4
19130101 19131231    16.6
19140101 19141231    17.5
19150101 19151231    17.5
19160101 19161231    16.2
19170101 19171231    15.6
19180101 19181231    17.1
19190101 19191231    16.8
19200101 19201231    17.0
19210101 19211231    17.7
19220101 19221231    16.4
19230101 19231231    17.1
19240101 19241231    16.5
19250101 19251231    16.5
19260101 19261231    17.0
19270101 19271231    16.9
19280101 19281231    16.8
19290101 19291231    16.1
19300101 19301231    17.7
19310101 19311231    16.5
19320101 19321231    16.8
19330101 19331231    17.0
19340101 19341231    16.8
19350101 19351231    16.5
19360101 19361231    17.3
19370101 19371231    17.1
19380101 19381231    17.1
19390101 19391231    17.3
19400101 19401231    17.3
19410101 19411231    17.1
19420101 19421231    16.6
19430101 19431231    16.7
19440101 19441231    17.1
19450101 19451231    17.6
19460101 19461231    17.1
19470101 19471231    16.9
19480101 19481231    17.3
19490101 19491231    17.5
19500101 19501231    17.3
19510101 19511231    16.9
19520101 19521231    16.7
19530101 19531231    17.0
19540101 19541231    17.0
19550101 19551231    16.4
19560101 19561231    16.8
19570101 19571231    17.5
19580101 19581231    17.5
19590101 19591231    17.7
19600101 19601231    16.3
19610101 19611231    17.5
19620101 19621231    17.7
19630101 19631231    17.8
19640101 19641231    16.8
19650101 19651231    17.4
19660101 19661231    16.7
19670101 19671231    17.5
19680101 19681231    16.1
19690101 19691231    17.2
19700101 19701231    17.4
19710101 19711231    16.2
19720101 19721231    18.0
19730101 19731231    16.9
19740101 19741231    17.1
19750101 19751231    17.0
19760101 19761231    17.6
19770101 19771231    17.7
19780101 19781231    17.7
19790101 19791231    17.0
19800101 19801231    17.4
19810101 19811231    16.8
19820101 19821231    17.1
19830101 19831231    18.0
19840101 19841231    17.0
19850101 19851231    17.8
19860101 19861231    16.5
19870101 19871231    17.5
19880101 19881231    17.7
19890101 19891231    17.3
19900101 19901231    16.9
19910101 19911231    18.0
19920101 19921231    17.4
19930101 19931231    17.3
19940101 19941231    18.3
19950101 19951231    17.5
19960101 19961231    18.0
19970101 19971231    17.3
19980101 19981231    17.6
19990101 19991231    17.8
20000101 20001231    17.5
20010101 20011231    17.1
20020101 20021231    17.6
20030101 20031231    17.7
20040101 20041231    17.4
20050101 20051231    16.9
20060101 20061231    17.4
20070101 20071231 99999.9
20080101 20081231 99999.9
20090101 20091231 99999.9
20100101 20101231    17.6