| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.09 | -0.07 |
| Feb | 3.89 | 4.05 | -0.16 |
| Mar | 4.13 | 4.24 | -0.11 |
| Apr | 3.13 | 3.19 | -0.06 |
| May | 3.31 | 2.93 | 0.38 |
| Jun | 4.71 | 4.67 | 0.04 |
| Jul | 4.66 | 4.81 | -0.15 |
| Aug | 4.66 | 4.70 | -0.04 |
| Sep | 3.51 | 3.64 | -0.13 |
| Oct | 2.84 | 2.81 | 0.03 |
| Nov | 2.88 | 2.76 | 0.12 |
| Dec | 4.08 | 4.15 | -0.07 |
45.82 | 46.04 | -0.22 |