[1CW] Harrisburg [2016-]
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The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00257667) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMMM0.28MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM3.011.220.300.500.16
20200.060.150.840.652.301.240.740.671.070.150.170.10
2021M0.22MM0.631.123.140.240.601.600.230.04
20220.210.100.560.412.820.991.010.150.810.140.080.00
20230.420.010.120.286.172.571.361.131.440.960.220.01
20240.010.810.731.131.642.781.032.880.250.030.35M
2025MMMMM0.030.120.05MMMM
NCEI Climatology0.340.500.961.692.932.781.671.161.301.310.550.46

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMMM14.5MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM10.110.911.510.310.2
202012.612.912.711.512.511.712.011.110.111.511.612.3
202112.99.6MM11.311.311.110.310.711.612.013.4
202212.612.912.717.811.711.110.711.010.910.011.913.6
202310.113.913.912.111.89.58.910.010.09.810.512.6
20248.910.511.014.214.412.210.010.811.511.010.68.6
2025MMMMM12.111.911.3MMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMM68.7289.96MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM84.6782.8456.6050.9341.58
202045.4343.5253.8364.3971.6486.8090.9892.8280.4262.4059.7447.00
202143.9025.54MM68.7687.5091.4989.5985.6464.7357.0049.42
202241.3038.5250.1158.6066.8183.6292.3791.3483.0065.5345.2737.10
202333.1337.9345.2559.8370.8877.0485.8687.5179.5062.7553.4047.19
202436.3947.8752.3861.3369.3285.4990.5488.7286.4472.4552.5950.94
2025M17.60MMM90.4290.3086.22MMMM
NCEI Climatology41.1043.2153.0060.8069.7081.7088.9087.4078.5063.5050.5040.31

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMM49.2870.52MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM58.5352.2329.0125.8923.69
202021.0320.3828.6732.1043.8654.8560.0658.5346.8532.6229.0522.50
202120.795.96MM44.8656.2661.5457.1451.6737.4531.2922.35
202218.1214.4423.3828.7941.0453.2961.7060.5851.8936.2619.1914.75
202318.5918.2022.1332.0447.9453.9258.9058.1851.7735.0429.5824.19
202414.3324.3227.1135.2441.9256.9460.5859.5853.9441.5227.6623.78
2025M8.60MMM64.3562.5059.85MMMM
NCEI Climatology14.7916.5924.4032.8042.5053.0059.5056.8046.7033.9123.3915.00

Average Daily Temperature (high+low)/2 [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMM59.0080.24MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM71.6067.5442.8038.4132.63
202033.2331.9541.2548.2457.7570.8375.5275.6763.6447.5144.3934.75
202132.3415.75MM56.8171.8876.5173.3768.6651.0944.1435.89
202229.7126.4836.7543.6953.9268.4677.0375.9667.4550.9032.2325.93
202325.8628.0633.6945.9459.4165.4872.3872.8565.6348.9041.4935.69
202425.3636.0939.7548.2855.6271.2275.5674.1570.1956.9840.1237.36
2025M13.10MMM77.3976.4073.03MMMM
NCEI Climatology27.9529.9038.7046.8056.1067.3574.2072.1062.6048.7036.9427.65

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2016MMMMM62.4%MMMMMM
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMM60.4%52.0%56.8%65.3%66.5%
202059.4%61.2%60.3%49.7%62.7%43.6%46.9%40.4%41.5%51.9%43.4%54.5%
202160.7%73.1%MM69.0%47.4%48.7%41.9%40.1%52.2%46.9%43.8%
202258.4%56.2%56.1%46.3%55.5%41.5%43.6%41.3%40.8%46.8%55.3%61.5%
202374.2%60.7%58.7%47.7%63.1%66.5%53.8%48.4%50.4%56.2%48.3%54.6%
202464.7%60.5%52.5%54.4%51.9%52.4%44.9%55.8%39.1%42.4%53.1%54.0%
2025MMMMM42.0%49.9%54.4%MMMM

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