| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.01 | 0.09 |
| Feb | 3.67 | 3.77 | -0.10 |
| Mar | 4.29 | 4.30 | -0.01 |
| Apr | 3.09 | 3.22 | -0.13 |
| May | 3.29 | 3.13 | 0.16 |
| Jun | 4.78 | 4.94 | -0.16 |
| Jul | 4.68 | 4.38 | 0.30 |
| Aug | 4.80 | 4.78 | 0.02 |
| Sep | 3.80 | 3.87 | -0.07 |
| Oct | 2.88 | 2.78 | 0.10 |
| Nov | 3.08 | 3.09 | -0.01 |
| Dec | 4.21 | 4.25 | -0.04 |
46.67 | 46.52 | 0.15 |