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Tmin: any Tmax: any
Sunshine: any Rain: any
USA January
Search list: 225 Stations -  Sorting: Tmax

City Tmin Tmax Sunshine Rain
  [°C] [°C] [hrs] [days]
-4 5 n/a 13
-8 5 n/a 11
-3 5 n/a 19
-2 5 3 17
-4 5 4 16
-3 5 n/a 14
-7 5 n/a 14
-3 4 5 15
-2 4 n/a 18
-6 4 n/a 24


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USA - Baltimore Airport


Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax193717561943188219291879
Tmin194717621951188219351880
Duration of sunshine000000
Precipitation155142156151155150
Humidity/Visibility152137154148153148


ParameterJulAugSepOctNovDec
Tmax193619381883197119151983
Tmin194719441884197119191987
Duration of sunshine000000
Precipitation157157152182180186
Humidity/Visibility151151148176173184


Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured.