| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.71 | 0.00 |
| Feb | 0.96 | 1.02 | -0.06 |
| Mar | 1.65 | 1.71 | -0.06 |
| Apr | 2.48 | 2.51 | -0.03 |
| May | 4.66 | 4.68 | -0.02 |
| Jun | 3.94 | 3.93 | 0.01 |
| Jul | 4.01 | 4.12 | -0.11 |
| Aug | 3.61 | 3.82 | -0.21 |
| Sep | 2.60 | 2.53 | 0.07 |
| Oct | 2.13 | 2.18 | -0.05 |
| Nov | 1.14 | 1.17 | -0.03 |
| Dec | 1.03 | 1.02 | 0.01 |
28.92 | 29.40 | -0.48 |