| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.58 | -0.06 |
| Feb | 3.11 | 3.04 | 0.07 |
| Mar | 3.75 | 3.77 | -0.02 |
| Apr | 4.02 | 3.97 | 0.05 |
| May | 4.42 | 4.60 | -0.18 |
| Jun | 4.80 | 4.82 | -0.02 |
| Jul | 4.63 | 4.84 | -0.21 |
| Aug | 4.19 | 4.24 | -0.05 |
| Sep | 3.99 | 3.98 | 0.01 |
| Oct | 3.49 | 3.40 | 0.09 |
| Nov | 3.50 | 3.50 | 0.00 |
| Dec | 3.78 | 3.64 | 0.14 |
47.20 | 47.38 | -0.18 |