| home | Summary of the weather at Hampstead during 1966 | ||||||||||||||||||
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| Month | Mean Max | Mean Min | Hi Max | Date | Lo Max | Date | Hi Min | Date | Low Min | Date | GrassMin | Date | AirFrost | Grnd Frost | Max <0 | Max >10 | Max >21 | Fog | |
| degC | degC | degC | degC | degC | degC | degC | days | days | days | days | days | 09gmt | |||||||
| Jan-66 | 4.6 | 0.6 | 12.0 | 29 | -2.7 | 19 | 8.6 | 29 | -7.8 | 19 | -8.8 | 19 | 13 | 18 | 4 | 0 | - | ||
| Feb-66 | 8.4 | 3.9 | 12.3 | 8 | 1.1 | 13 | 7.9 | 26 | 1.1 | 14 | -2.7 | 18 | 4 | 5 | 0 | 0 | - | ||
| Mar-66 | 10.4 | 2.8 | 13.1 | 8 | 6.8 | 25 | 6.9 | 3 | -1.2 | 25 | -7.9 | 20 | 2 | 16 | 0 | 0 | - | ||
| Apr-66 | 11.3 | 5.7 | 19.6 | 30 | 1.9 | 15 | 10.4 | 27 | -0.7 | 14 | -3.4 | 21 | 2 | 5 | 0 | 0 | - | ||
| May-66 | 16.5 | 7.2 | 25.7 | 2 | 9.6 | 8 | 11.0 | 22 | 2.9 | 28 | -0.3 | 9 | 0 | 1 | 0 | 4 | - | ||
| Jun-66 | 21.1 | 11.4 | 27.1 | 10 | 17.3 | 6 | 14.8 | 12 | 6.4 | 27 | 3.0 | 1 | 0 | 0 | 0 | 14 | - | ||
| Jul-66 | 19.7 | 11.4 | 25.0 | 23 | 15.8 | 19 | 14.8 | 9 | 7.7 | 18 | 3.2 | 17 | 0 | 0 | 0 | 8 | - | ||
| Aug-66 | 20.2 | 11.4 | 26.8 | 20 | 15.1 | 1 | 16.3 | 12 | 7.1 | 2 | 1.8 | 24 | 0 | 0 | 0 | 11 | - | ||
| Sep-66 | 18.8 | 10.9 | 22.3 | 9 | 14.0 | 30 | 14.9 | 12 | 5.7 | 16 | 2.1 | 16 | 0 | 0 | 0 | 8 | - | ||
| Oct-66 | 13.8 | 8.7 | 18.2 | 3 | 7.4 | 23 | 14.6 | 4 | 2.9 | 29 | 2.9 | 12 | 0 | 0 | 0 | 0 | - | ||
| Nov-66 | 8.1 | 3.2 | 15.6 | 7 | 3.6 | 24 | 9.0 | 8 | 0.1 | 29 | -4.8 | 11 | 0 | 13 | 0 | 0 | - | ||
| Dec-66 | 8.3 | 2.0 | 11.9 | 29 | 3.3 | 25 | 6.2 | 23 | -2.1 | 26 | -7.8 | 26 | 7 | 21 | 0 | 0 | - | ||
| YEAR | 13.4 | 6.6 | 27.1 | -2.7 | 16.3 | -7.8 | -8.8 | 28 | 79 | 4 | 45 | 0 | |||||||
| Month | Rainfall | WettestDay | Date | >0.2mm | >1mm | >25mm | Sunshine | Max Sun | Date | NoSun | >10h | Snow | SnowLying | Thunder | Hail | IcePellets | MostSnow | Date | |
| mm | mm | days | days | days | hours | hours | days | days | days | 0900gmt | days | days | days | cm | |||||
| Jan-66 | 40.1 | 13.0 | 25 | 10 | 8 | 0 | 38.4 | 5.3 | 19 | 18 | 0 | 8 | 7 | 0 | 0 | 0 | 3 | 17 | |
| Feb-66 | 78.0 | 10.4 | 9 | 20 | 17 | 0 | 28.0 | 6.7 | 27 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| Mar-66 | 9.9 | 1.5 | 3 | 11 | 6 | 0 | 131.5 | 10.8 | 18 | 1 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| Apr-66 | 97.5 | 13.7 | 18 | 23 | 16 | 0 | 94.8 | 13.4 | 30 | 14 | 3 | 2 | 2 | 0 | 0 | 0 | 4 | 15 | |
| May-66 | 47.2 | 10.2 | 11 | 13 | 10 | 0 | 216.1 | 14.5 | 30 | 3 | 12 | 0 | 0 | 1 | 1 | 0 | 0 | ||
| Jun-66 | 65.5 | 26.4 | 22 | 14 | 9 | 1 | 200.8 | 12.8 | 9 | 0 | 8 | 0 | 0 | 3 | 0 | 0 | 0 | ||
| Jul-66 | 91.2 | 32.5 | 5 | 13 | 11 | 1 | 158.2 | 13.9 | 23 | 2 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Aug-66 | 111.2 | 43.4 | 29 | 11 | 9 | 1 | 206.1 | 12.8 | 17 | 2 | 9 | 0 | 0 | 2 | 0 | 0 | 0 | ||
| Sep-66 | 31.5 | 8.9 | 30 | 8 | 7 | 0 | 172.2 | 11.5 | 6 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Oct-66 | 98.2 | 17.8 | 22 | 19 | 14 | 0 | 79.3 | 8.7 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Nov-66 | 40.4 | 11.7 | 5 | 19 | 9 | 0 | 61.7 | 8.1 | 2 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Dec-66 | 82.0 | 16.5 | 9 | 21 | 16 | 0 | 32.2 | 5.5 | 25 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| YEAR | 792.7 | 43.4 | 182 | 132 | 3 | 1419.3 | 14.5 | 88 | 41 | 16 | 9 | 7 | 1 | 0 | 4 | ||||