| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.73 | -0.16 |
| Feb | 2.99 | 2.94 | 0.05 |
| Mar | 4.14 | 4.05 | 0.09 |
| Apr | 3.59 | 3.56 | 0.03 |
| May | 3.77 | 3.61 | 0.16 |
| Jun | 4.43 | 4.38 | 0.05 |
| Jul | 4.97 | 5.19 | -0.22 |
| Aug | 4.99 | 5.01 | -0.02 |
| Sep | 5.18 | 5.38 | -0.20 |
| Oct | 3.45 | 3.39 | 0.06 |
| Nov | 3.39 | 3.38 | 0.01 |
| Dec | 3.51 | 3.44 | 0.07 |
47.98 | 48.06 | -0.08 |