Hemel Hempstead (Grovehill) weather

 Latitude N 51° 46' 21"    Longitude W 00° 27' 08"    Elevation 142 m


Growing Degree Days

Met Office - Monthly (T min = 5.5)

GDD
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
TOTAL
Yr Avg T
Avg +/-
2012
-
-
-
-
-
-
346.1
392.0
260.2
144.2
52.3
35.4
-
-
-
2013
19.4
0.0
0.0
108.2
175.7
272.1
443.4
396.7
262.1
220.4
52.7
43.7
1994.5
9.9
-0.8
2014
42.4
46.9
112.9
179.0
242.8
334.5
446.6
344.4
316.2
231.8
92.2
31.7
2421.3
11.6
+0.9
2015
0.0
0.0
19.6
145.2
198.8
297.3
364.4
349.9
230.0
176.0
133.9
142.7
2057.9
10.7
  0.0
2016
37.8
19.1
32.1
100.0
242.3
308.0
388.7
404.0
332.7
177.7
41.3
46.8
2130.4
10.5
-0.2
2017
0.0
44.0
63.2
139.3
261.9
361.2
395.3
344.9
256.5
Avg
19.9
22.0
45.6
134.3
224.3
314.6
397.4
372.2
276.3
190.0
74.5
60.1
2151.1
Avg/Yr

Met Office - Cumulative (T min = 5.5)

GDD
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Avg T
Avg +/-
2012
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2013
19.4
19.4
19.4
127.6
303.4
575.5
1018.9
1415.5
1677.6
1898.0
1950.7
1994.5
9.9
-0.8
2014
42.4
89.2
202.2
381.1
624.0
958.4
1405.1
1749.5
2065.6
2297.5
2389.7
2421.3
11.6
+0.9
2015
0.0
0.0
19.6
164.8
363.7
661.0
1025.4
1375.4
1605.4
1781.4
1915.3
2057.9
10.7
  0.0
2016
37.8
56.8
89.0
189.0
431.3
739.3
1127.9
1531.9
1864.6
2042.3
2083.6
2130.4
10.5
-0.2
2017
0.0
44.0
107.2
246.4
508.3
869.5
1264.9
1609.7
1866.2
Avg
19.9
41.9
87.5
221.8
446.1
760.7
1168.4
1536.4
1815.9
2004.8
2084.8
2151.1


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