| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.74 | -0.18 |
| Feb | 2.16 | 2.32 | -0.16 |
| Mar | 3.44 | 3.57 | -0.13 |
| Apr | 4.65 | 4.76 | -0.11 |
| May | 4.99 | 5.09 | -0.10 |
| Jun | 4.42 | 4.49 | -0.07 |
| Jul | 3.79 | 3.99 | -0.20 |
| Aug | 3.49 | 3.38 | 0.11 |
| Sep | 3.40 | 3.45 | -0.05 |
| Oct | 3.10 | 3.19 | -0.09 |
| Nov | 3.37 | 3.53 | -0.16 |
| Dec | 2.66 | 2.71 | -0.05 |
42.03 | 43.22 | -1.19 |