2013 Annual Climate Summary
The 2013 state averaged annual mean temperature was above and total precipitation was within the expected range of inter-annual variability for the 1895-2013 period of record (Figures One & Two). The 2013 mean annual temperature (44.2 °F) was 0.7 °F above the 1981-2010 average (43.5 ±1.2 °F), or normal, and 1.7 °F warmer than the 1895-2013 average (42.5 ±1.4 °F). It was 2.4 °F cooler than 2012 (46.6 °F), the warmest year on record, but was 5.4 °F greater than the record coldest year set in 1904 (38.8 °F; Table One). Last year was the 14th warmest since 1895 and is the fourth consecutive year to rank within the top 20 warmest years on record. Above normal summer rainfall offset below normal precipitation for the rest of 2013 for a near normal total annual precipitation. The 2013 sum of 45.75 inches falls below the 1981-2010 normal (47.48 ±6.50 inches) but above the 1895-2013 average (44.21 ±5.87 inches). Ranked as the 43rd wettest year since 1895, 2013 is the 9th consecutive year in which total annual precipitation was above average. Over the past 20 years, the state has been above normal for mean annual temperatures 11 times and for total annual precipitation 12 times.
Monthly mean temperature and total precipitation departures for New Hampshire, 2013: NOAA/NCDC Climate at a Glance.