| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 4.83 | 4.82 | 0.01 | 
| Feb | 5.06 | 5.16 | -0.10 | 
| Mar | 5.45 | 5.54 | -0.09 | 
| Apr | 5.15 | 5.21 | -0.06 | 
| May | 4.88 | 5.03 | -0.15 | 
| Jun | 4.64 | 4.94 | -0.30 | 
| Jul | 4.57 | 4.88 | -0.31 | 
| Aug | 3.93 | 4.10 | -0.17 | 
| Sep | 4.11 | 4.35 | -0.24 | 
| Oct | 3.86 | 3.72 | 0.14 | 
| Nov | 4.05 | 4.06 | -0.01 | 
| Dec | 5.74 | 5.95 | -0.21 | 
| 56.27 | 57.76 | -1.49 |