CHATHAM, MA

Average of Maximum Temperature (Degrees Fahrenheit)

(191386)

File last updated on September 21, 2020
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1972-----z-----z-----z-----z-----z-----z-----z72.55 69.07 56.71 47.57 43.81 57.94g
197338.23 37.04 45.55 51.00 57.29 68.73 73.26 75.45 69.07 60.84 49.90a46.06 56.03
197440.35 36.82 43.03 52.13 57.03 66.10 74.16 75.39 68.93 57.00 50.37 43.32 55.39
197541.39 38.25 42.42 47.47 59.71 67.50 75.61 75.06 67.10 61.81 54.90 43.26 56.21
197636.23 43.10 45.31b55.72a60.87 69.00 74.81 73.77 68.87 57.03 46.53 38.55 55.82
197730.81 36.11 45.35 53.93 61.03 66.57 75.29 75.35 67.33 58.84 51.87 40.52 55.25
197836.68 32.89 39.90 49.73 57.81 69.60 71.77 74.90 66.47 57.97 50.87 42.16 54.23
197939.61 29.21 44.19 49.60 61.58 67.07 75.03 72.58 67.70 58.23 54.03 44.23 55.26
198037.42 34.62 42.26 51.33 59.61 66.63 75.55 76.42 70.60 57.71 48.23 38.77 54.93
198130.19 40.75 43.06 53.27 58.71 70.07 76.48 73.26 67.93 56.45 49.17 41.00 55.03
198232.94 37.86 43.52 49.93 59.48b63.70 74.45 71.90 67.17 59.55 54.62d46.26 55.11
198340.23a40.07a44.29 50.13 57.70a69.53 77.10 74.55 72.59a60.42 53.42d41.13 56.76
198437.06 42.55 39.13 49.07 61.35 69.80 74.58 76.65 68.03 60.77 51.50 47.48 56.50
198535.73e39.48a45.87 -----z60.68 68.77 74.58 74.03 70.27 62.45 53.13 41.13 56.92a
198639.77a36.50 46.55 51.00 -----z68.83a73.39 -----z-----z-----z-----z-----z52.67f
198738.77 36.00 42.48 50.17 58.68 68.97 72.81 -----z68.07c59.63d-----z42.23 53.78b
198835.71 39.93 43.55 50.45a58.26 67.77 75.03 76.43a68.83 56.58 53.23 40.65 55.54
198940.84 36.79 41.33a50.66a-----z69.20 73.39 74.13 69.53 61.19 50.23 31.45 54.43a
199042.19 41.07 43.52 50.27 57.74 66.63 72.77 76.35 68.67 63.10 51.50 46.93a56.73
199139.42 41.43 45.48 52.89c63.96c70.90 -----z75.68 68.13 60.65 50.96b44.31b55.80a
1992-----z38.72 40.13 47.50 57.58 68.43 71.71 -----z67.03 57.97 -----z42.71 54.64c
199339.26 34.61 41.61 49.20 60.77 68.77 75.84 75.26 68.43 58.48 52.30 41.84 55.53
199433.39 35.21 42.55 53.87 58.26 70.70 77.68 74.52 67.45a59.52 56.19c45.77a56.26
1995-----z39.75d-----z-----z56.71 67.43 76.13 75.94 68.53 63.94 50.47 39.29 59.80c
199638.77a37.72 42.10 51.50 60.43a69.77 73.00 72.61 68.43 62.84 48.77 47.63a56.13
199737.77a42.00 43.77a50.52a58.94 68.60 76.65 73.71 70.03a59.87 49.33 44.43a56.30
199842.57a41.68 44.13 52.60 59.71 66.87 74.80a74.77 70.90 59.74 51.73 46.93b57.20
199940.81 40.50 -----z52.73 60.84 71.27 79.65 74.94 72.00 60.26 53.54b45.35 59.26a
200038.28b41.14 47.55 52.69a60.61 68.40 73.23 72.30a-----z59.50a49.10a-----z56.28b
200137.87 37.67v45.44o50.17 60.68 72.38a73.35 76.00 69.93 62.42 54.70 47.45 60.50b
200241.93a42.25 46.70a-----z59.34b67.80 76.13 77.30a70.83 59.68 50.30 41.06 57.58a
200333.16 36.76k42.90 45.67 57.03 66.63 76.06 76.87 69.57 59.53a51.93 43.42 56.62a
200429.39 36.90 41.57a50.00 60.19 67.20 72.97 73.90 -----z59.90 52.46b44.92e53.58a
200535.84 37.21 40.42 50.83 54.52 67.53 74.52 77.55 73.47 60.20a53.57 41.03 55.56
200643.03 38.26a42.52 52.30 59.06 68.68b76.65 75.97 69.10 59.90 54.60 48.03a57.34
200740.29 33.68 43.10 49.20 61.87 68.90 75.00 75.48 70.93 63.55 50.30 40.84 56.10
200839.97 40.52 43.71 51.63 58.13 73.17 78.13 75.26 71.38a57.26h49.07 44.19 56.83a
200933.52 37.54b41.45 48.88m58.59d63.25b71.61 75.77 67.70 57.42 53.40 40.26 54.59a
201035.19 36.57 45.17a53.93 62.94 70.28a78.29 74.90 70.10 60.00 49.77 38.06 56.27
201135.23 36.61 42.87 52.10 58.58 68.50 76.03 75.13 69.93 62.42 54.00 46.61 56.50
201241.45 42.24 47.10 54.43 60.03 71.00o77.87 76.71 69.93 61.61 49.53 45.77 56.97a
201337.32 37.25 42.29 50.13 59.97b68.87 76.74 73.87 68.10 58.95j49.63 41.94 55.10a
201435.32 36.46 38.97 49.50 59.19 68.43 73.29 72.10 71.00 62.13 50.43 46.81 55.30
201537.77 31.68 38.79b51.90 62.90 67.23 76.42 77.68 73.63 60.74 55.33 51.55 57.14
201640.29 41.45 46.77 50.83 61.10 70.53 78.13 79.45 72.13 62.10 52.03 44.74 58.30
201742.45 42.61 41.06 52.73 58.35 68.80 74.74 75.29 69.70 65.65 52.77 39.35 56.96
201837.03b44.32 42.65h50.18b60.58 68.43 75.40a79.29 71.53 59.84 51.13 41.97 58.16a
201939.26 37.29 41.90 52.60 57.10 67.97 78.31b76.68 69.93 60.52 50.17 41.97 56.14
202041.19 42.62 45.84 48.30 58.61 69.39b77.00 77.48 70.85j-----z-----z-----z57.56d
Period of Record Statistics
MEAN37.87 38.42 43.22 51.04 59.44 68.50 75.22 75.24 69.47 60.15 51.52 43.20 56.06
S.D.3.36 3.26 2.25 2.00 1.84 1.84 1.94 1.75 1.73 2.10 2.23 3.47 0.87
SKEW-0.68 -0.47 -0.01 -0.13 0.05 -0.28 0.09 0.14 0.52 0.24 0.05 -0.51 0.32
MAX43.03 44.32 47.55 55.72 63.96 73.17 79.65 79.45 73.63 65.65 56.19 51.55 58.30
MIN29.39 29.21 38.79 45.67 54.52 63.25 71.61 71.90 66.47 56.45 46.53 31.45 54.23
YRS46 46 44 44 46 47 47 46 45 45 45 46 29