| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.72 | -0.32 |
| Feb | 2.95 | 3.06 | -0.11 |
| Mar | 4.22 | 4.23 | -0.01 |
| Apr | 3.88 | 3.89 | -0.01 |
| May | 3.55 | 3.65 | -0.10 |
| Jun | 4.02 | 4.13 | -0.11 |
| Jul | 3.88 | 3.88 | 0.00 |
| Aug | 4.14 | 4.16 | -0.02 |
| Sep | 4.02 | 3.96 | 0.06 |
| Oct | 4.09 | 4.15 | -0.06 |
| Nov | 3.43 | 3.32 | 0.11 |
| Dec | 4.29 | 4.36 | -0.07 |
45.87 | 46.51 | -0.64 |