The GHCN data set

This data set was obtained from Grace Wahba and Alan Chiang.
There are 30 years of data 1961-1990 for 1000 stations - a total of 23119 data points. Note that all years have at least 500 stations data available. All stations have at least 2 years of data. For reliability I think we need at least 5 years of data. This means we exclude 11 stations. These are

ID NAME LATITUDE LONGITUDE ELEVATION
10160630001 OUALLEN_ALGERIA 24.60 1.30 347
10160630002 AOULEF_ALGERIA 27.00 1.10 290
12061820000 MAMOU 10.37 -12.08 784
10468032000 MAUN -19.98 23.42 900
13863980000 SEYCHELLE_IN -4.67 55.52 3
20341977000 CHITTAGONG 22.35 91.82 34
20742034000 LEH 34.15 77.57 -
22220744000 MALYE_KARMAKU 72.37 52.70 15
22230879000 NERCINSKIJ_ZA 51.32 119.62 619
40371957003 AKLAVIK_A_NW 68.22 -135.00 7
41178439000 PORT-AU-PRINC 18.57 -72.30 34

There are now 23091 data points in set and 989 stations. 273 stations have data for all 30 yrs. 528 stations have data for 25-29 years. 110 stations have data for 20-24 yrs. 59 stations have data for 10-19 yrs. 19 stations have data for 5-9 yrs.