lat, lon, Tday, Tnight
     35.27225    -97.95553     -0.38556     -0.14750
     35.54208    -97.34146     -0.30556      0.39500
     35.54848    -98.03654     -0.17222     -0.85500
     35.84891    -97.47978      0.18444      0.31750
     35.88050    -97.91121      0.80889     -0.28875
     35.23611    -97.46488     -0.12556      0.56500
     34.98224    -97.52109     -0.00333      0.01875
     35.47226    -97.46414      0.24333      0.83250
     35.55560    -97.51070      0.24222      1.21625
     35.47112    -97.58245      0.28333      1.19750
     35.47291    -97.51017      0.52667      1.59375
     35.47206    -97.51785      0.67444      1.88750
     35.46973    -97.51649      0.37000      2.02500
     35.46968    -97.51426      0.58111      1.98875
     35.46794    -97.52139      0.91333      1.86375
     35.46760    -97.51620      0.87222      2.09375
     35.46744    -97.51260      0.75222      1.84875
     35.46656    -97.51465      0.90667      1.81250
     35.46410    -97.51614   -999.00000   -999.00000
     35.46439    -97.50096      0.35667      1.36125
     35.55101    -97.47683   -999.00000   -999.00000
     35.49324    -97.45926     -0.01444      0.81750
     35.47813    -97.49911      0.32000      1.53875
     35.52536    -97.47381   -999.00000   -999.00000
     35.48819    -97.50366      0.29333      1.43375
     35.56558    -97.56731      0.57889      1.67625
     35.54202    -97.65423      0.15000      0.79125
     35.52224    -97.53431      0.73556      1.56875
     35.51112    -97.60994      0.20556      1.09125
     35.50022    -97.56548      0.36889      1.23375
     35.48229    -97.52979      0.42111      1.39875
     35.61361    -97.54932   -999.00000   -999.00000
     35.46443    -97.76013     -0.07667      0.38125
     35.45872    -97.61898      0.39778      1.02375
     35.46436    -97.54769      0.46444      1.46875
     35.44816    -97.58343      0.35444      1.05375
     35.44965    -97.50696      0.40667      1.13875
     35.42085    -97.55470      0.40333      0.96625
     35.40611    -97.59998     -0.03667      0.75000
     35.39887    -97.50777      0.21889      1.04500
     35.39254    -97.66518     -0.14333      0.52750
     35.38760    -97.56568      0.04111      0.79000
     35.34335    -97.52977      0.18889      0.60125
     35.43511    -97.47702      0.25667      0.86625
     35.41552    -97.42351      0.11889      0.51750