Weather Summary 
December 1999

Research and Education Center
Georgetown, Delaware

1999 Julian Date Max. Temp.   F Max Temp   C Min. Temp.   F Min. Temp   C GDD   
0 C
GDD
 
40F
GDD 
 
50F
GDD 
 
65F
Rainfall Inches Rainfall mm Max. Soil Temp. Min. Soil Temp.
1-Dec 335 35 1.7 24 -4.4 0.0 0 0 0 0.00 0.00 35 31
2 336 50 10.0 28 -2.2 3.9 0 0 0 0.00 0.00 40 31
3 337 52 11.1 31 -0.6 5.3 1.5 0 0 0.00 0.00 48 33
4 338 56 13.3 32 0.0 6.7 4 0 0 0.00 0.00 54 35
5 339 66 18.9 42 5.6 12.2 14 4 0 0.00 0.00 55 37
6 340 65 18.3 43 6.1 12.2 14 4 0 0.78 19.81 59 46
7 341 61 16.1 39 3.9 10.0 10 0 0 0.00 0.00 51 40
8 342 50 10.0 41 5.0 7.5 5.5 0 0 0.00 0.00 48 36
9 343 52 11.1 32 0.0 5.6 2 0 0 0.00 0.00 52 36
10 344 59 15.0 41 5.0 10.0 10 0 0 0.44 11.18 56 43
11 345 48 8.9 37 2.8 5.8 2.5 0 0 0.00 0.00 46 37
12 346 50 10.0 32 0.0 5.0 1 0 0 0.00 0.00 48 34
13 347 52 11.1 34 1.1 6.1 3 0 0 0.05 1.27 50 38
14 348 52 11.1 45 7.2 9.2 8.5 0 0 0.99 25.15 52 48
15 349 44 6.7 41 5.0 5.8 2.5 0 0 0.00 0.00 50 45
16 350 50 10.0 41 5.0 7.5 5.5 0 0 0.00 0.00 50 36
17 351 49 9.4 34 1.1 5.3 1.5 0 0 0.00 0.00 46 34
18 352 46 7.8 30 -1.1 3.3 0 0 0 0.00 0.00 48 35
19 353 46 7.8 37 2.8 5.3 1.5 0 0 0.00 0.00 49 41
20 354 53 11.7 39 3.9 7.8 6 0 0 0.15 3.81 57 45
21 355 46 7.8 34 1.1 4.4 0 0 0 0.03 0.76 53 42
22 356 39 3.9 32 0.0 1.9 0 0 0 0.07 1.78 42 34
23 357 44 6.7 26 -3.3 1.7 0 0 0 0.00 0.00 42 29
24 358 30 -1.1 25 -3.9 0.0 0 0 0 0.00 0.00 35 32
25 359 30 -1.1 16 -8.9 0.0 0 0 0 0.00 0.00 32 30
26 360 41 5.0 19 -7.2 0.0 0 0 0 0.00 0.00 32 30
27 361 37 2.8 28 -2.2 0.3 0 0 0 0.00 0.00 32 32
28 362 32 0.0 23 -5.0 0.0 0 0 0 0.00 0.00 33 32
29 363 37 2.8 26 -3.3 0.0 0 0 0 0.00 0.00 35 33
30 364 55 12.8 34 1.1 6.9 4.5 0 0 0.00 0.00 44 31
31 365 48 8.9 39 3.9 6.4 3.5 0 0 0.00 0.00 46 36
Month Average 47.6 8.7 33.1 0.6             45.8 36.2
Month Total         156.1 101.0 8.0 0.0 2.51 63.8    
                           
YearAverage.                        
Year Total         5049.356 6483 3791 1165 43.04 1093.30