| Weather Source |
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| Year | Lowest Temperature (F) | Highest Temperature (F) | Warmest Minimum Temperature (F) | Coldest Maximum Temperature (F) | Average Minimum Temperature (F) | Average Maximum Temperature (F) | Mean Temperature (F) | Total Precipitation (In) | Total Snowfall (In) | Max 24hr Precipitation (In) | Max 24hr Snowfall (In) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973 | 0 | 53 | 34 | 9 | 17.0 | 33.5 | 25.3 | 1.64 | 2.80 | 0.95 | 2.30 |
| 1972 | -8 | 51 | 31 | 19 | 10.1 | 34.3 | 22.5 | 5.57 | 28.80 | 1.70 | 12.00 |
| 1971 | -14 | 50 | 33 | 11 | 16.4 | 34.0 | 25.2 | 6.15 | 18.40 | 1.63 | 6.00 |
| 1970 | 1 | 53 | 39 | 17 | 15.0 | 36.6 | 25.8 | 4.02 | 10.50 | 1.20 | 6.50 |
| 1969 | 1 | 43 | 31 | 21 | 15.9 | 34.1 | 25.0 | 6.64 | 63.80 | 2.20 | 19.00 |
| 1968 | -10 | 46 | 31 | 7 | 8.0 | 30.7 | 19.4 | 0.30 | 4.00 | 0.16 | 4.00 |
| 1967 | -13 | 55 | 28 | 13 | 7.7 | 32.0 | 19.8 | 5.25 | 38.40 | 1.95 | 12.50 |
| 1966 | -5 | 54 | 35 | 14 | 14.0 | 35.8 | 24.9 | 3.77 | 20.10 | 1.80 | 15.00 |
| 1965 | -4 | 46 | 35 | 18 | 13.4 | 32.5 | 22.9 | 5.76 | 8.00 | 3.37 | 4.50 |
| 1964 | -8 | 48 | 31 | 22 | 12.8 | 34.1 | 23.4 | 3.33 | 23.30 | 1.10 | 12.00 |
| 1963 | -11 | 46 | 26 | 15 | 7.8 | 31.0 | 19.4 | 3.29 | 13.20 | 1.09 | 6.50 |
| 1962 | -15 | 45 | 31 | 15 | 7.9 | 31.9 | 19.9 | 4.32 | 33.90 | 1.10 | 9.50 |
| 1961 | -15 | 61 | 34 | 8 | 13.5 | 36.8 | 25.1 | 3.76 | 17.00 | 1.13 | 14.00 |
| 1960 | 12 | 47 | 35 | 27 | 21.4 | 38.7 | 30.1 | 4.96 | 10.50 | 2.02 | 2.70 |
| 1959 | -8 | 51 | 32 | 14 | 9.1 | 32.8 | 20.9 | 3.19 | 16.90 | 0.64 | 4.00 |
| 1958 | -9 | 45 | 31 | 16 | 10.9 | 29.8 | 20.3 | 3.35 | 26.40 | 1.30 | 12.50 |
| 1957 | 3 | 64 | 34 | 26 | 18.6 | 40.1 | 29.4 | 1.28 | 0.80 | 0.58 | 0.40 |
| 1956 | -7 | 46 | 30 | 26 | 17.4 | 36.4 | 26.9 | 4.49 | 29.20 | 0.75 | 8.30 |
| 1955 | -12 | 55 | 34 | 12 | 18.6 | 36.5 | 27.6 | 4.72 | 7.50 | 1.85 | 3.10 |
| 1954 |
| Station Details for: "Portsmouth" (Rockingham County) View Map | |
|---|---|
| Weather Source ID | 26654 |
| National Weather Service ID (NWS) | |
| NWS Cooperative Observer ID (COOP) | 276980 |
| International Civil Aviation Organization ID (ICAO) | |
| World Meteorological Organization ID (WMO) | |
| Latitude: 43.0667 Longitude: -70.7167 Elevation: 17.9832m (59ft) | |
| Zip Code: 03854 | |