CHATHAM, MA

Maximum of Maximum Temperature (Degrees Fahrenheit)

(191386)

File last updated on September 23, 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-----z82.00 75.00 67.00 62.00 55.00 -----z
197353.00 50.00 54.00 72.00 70.00 80.00 83.00 89.00 83.00 73.00 62.00a56.00 89.00a
197453.00 53.00 53.00 65.00 72.00 80.00 86.00 80.00 80.00 68.00 62.00 53.00 86.00
197554.00 49.00 54.00 58.00 79.00 79.00 84.00 93.00 73.00 73.00 67.00 58.00 93.00
197650.00 57.00 58.00b76.00a73.00 79.00 82.00 84.00 77.00 68.00 59.00 53.00 84.00c
197748.00 52.00 56.00 76.00 83.00 75.00 88.00 85.00 84.00 70.00 67.00 53.00 88.00
197853.00 41.00 51.00 59.00 73.00 86.00 79.00 82.00 80.00 65.00 60.00 54.00 86.00
197953.00 48.00 59.00 62.00 78.00 73.00 83.00 86.00 78.00 69.00 65.00 56.00 86.00
198050.00 49.00 50.00 60.00 68.00 78.00 83.00 87.00 83.00 66.00 61.00 53.00 87.00
198143.00 51.00 70.00 67.00 76.00 80.00 88.00 79.00 78.00 63.00 59.00 53.00 88.00
198251.00 53.00 52.00 65.00 73.00b79.00 84.00 80.00 77.00 72.00 63.00d61.00 84.00f
198353.00a49.00a54.00 60.00 65.00a86.00 87.00 85.00 81.00a73.00 62.00d56.00 87.00h
198447.00 54.00 49.00 58.00 73.00 86.00 83.00 84.00 76.00 69.00 64.00 56.00 86.00
198552.00e51.00a70.00 -----z69.00 80.00 81.00 83.00 81.00 74.00 62.00 57.00 -----z
198651.00a44.00 66.00 66.00 -----z78.00a89.00 -----z-----z-----z-----z-----z-----z
198749.00 44.00 61.00 59.00 78.00 82.00 81.00 -----z76.00c71.00d-----z51.00 -----z
198847.00 47.00 51.00 61.00a79.00 79.00 83.00 83.00a78.00 71.00 61.00 52.00 83.00b
198949.00 56.00 54.00a62.00a-----z80.00 82.00 82.00 81.00 76.00 63.00 49.00 -----z
199053.00 57.00 60.00 80.00 67.00 79.00 86.00 82.00 77.00 75.00 65.00 57.00a86.00a
199154.00 51.00 54.00 64.00c76.00c89.00 -----z85.00 78.00 71.00 58.00b54.00b-----z
1992-----z47.00 51.00 59.00 78.00 76.00 85.00 -----z75.00 66.00 -----z54.00 -----z
199352.00 46.00 53.00 62.00 71.00 78.00 87.00 85.00 78.00 68.00 63.00 55.00 87.00
199451.00 49.00 52.00 64.00 70.00 89.00 84.00 83.00 76.00a69.00 68.00c59.00a89.00e
1995-----z51.00d-----z-----z72.00 79.00 89.00 85.00 80.00 73.00 60.00 50.00 -----z
199653.00a54.00 51.00 66.00 75.00a80.00 81.00 79.00 80.00 69.00 60.00 56.00a81.00c
199750.00a50.00 63.00a62.00a66.00 88.00 86.00 82.00 76.00a71.00 60.00 50.00a88.00e
199858.00a49.00 57.00 60.00 81.00 81.00 84.00a81.00 80.00 72.00 60.00 61.00b84.00d
199956.00 53.00 -----z58.00 69.00 83.00 95.00 83.00 78.00 70.00 62.00b56.00 -----z
200057.00b53.00 58.00 68.00a82.00 78.00 82.00 82.00a-----z73.00a59.00a-----z-----z
200147.00 42.00v50.00o60.00 74.00 85.00a81.00 85.00 77.00 71.00 65.00 59.00 -----z
200251.00a51.00 59.00a-----z70.00b82.00 86.00 88.00a77.00 74.00 63.00 53.00 -----z
200346.00 50.00k56.00 59.00 71.00 81.00 87.00 85.00 79.00 69.00a67.00 52.00 87.00l
200450.00 47.00 54.00a64.00 76.00 78.00 81.00 81.00 -----z68.00 62.00b56.00e-----z
200557.00 49.00 49.00 60.00 69.00 80.00 89.00 84.00 83.00 72.00a63.00 56.00 89.00a
200653.00 52.00a56.00 60.00 71.00 80.00b83.00 87.00 75.00 70.00 64.00 62.00a87.00d
200756.00 46.00 55.00 67.00 88.00 76.00 81.00 82.00 79.00 74.00 64.00 54.00 88.00
200853.00 54.00 56.00 69.00 71.00 86.00 83.00 82.00 83.00a69.00h61.00 55.00 86.00i
200950.00 52.00b59.00 57.00m68.00d72.00b79.00 82.00 77.00 67.00 63.00 59.00 82.00u
201050.00 46.00 59.00a63.00 76.00 81.00a89.00 86.00 85.00 70.00 60.00 52.00 89.00b
201145.00 47.00 55.00 66.00 72.00 79.00 83.00 81.00 79.00 82.00 62.00 58.00 83.00
201252.00 52.00 63.00 81.00 71.00 90.00o85.00 82.00 78.00 70.00 62.00 58.00 90.00o
201350.00 51.00 52.00 60.00 69.00b79.00 85.00 82.00 75.00 69.00j64.00 53.00 85.00l
201452.00 52.00 56.00 61.00 69.00 83.00 78.00 78.00 80.00 69.00 62.00 57.00 83.00
201552.00 42.00 50.00b61.00 71.00 80.00 85.00 84.00 82.00 68.00 65.00 60.00 85.00b
201654.00 54.00 58.00 69.00 78.00 83.00 88.00 87.00 83.00 73.00 62.00 58.00 88.00
201753.00 58.00 56.00 70.00 73.00 79.00 84.00 82.00 76.00 76.00 65.00 55.00 84.00
201851.00b54.00 52.00h61.00b76.00 78.00 82.00a87.00 81.00 72.00 64.00 54.00 87.00m
201954.00 47.00 56.00 63.00 70.00 81.00 89.00b83.00 78.00 77.00 65.00 57.00 89.00b
202056.00 54.00 58.00 58.00 71.00 77.00b86.00 84.00 82.00g-----z-----z-----z-----z
Period of Record Statistics
MEAN51.57 50.35 56.09 64.11 73.26 80.43 84.45 83.54 78.80 70.82 62.60 55.35 86.36
S.D.3.19 3.86 4.93 5.79 4.80 3.72 3.30 2.83 2.81 3.48 2.36 3.02 2.63
SKEW-0.37 -0.30 1.04 1.35 0.83 0.45 0.57 0.76 0.28 0.54 0.27 0.11 0.18
MAX58.00 58.00 70.00 81.00 88.00 89.00 95.00 93.00 85.00 82.00 68.00 62.00 93.00
MIN43.00 41.00 49.00 58.00 65.00 72.00 78.00 78.00 73.00 63.00 58.00 49.00 81.00
YRS46 46 44 44 46 47 47 46 45 45 45 46 25