| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.60 | -0.03 |
| Feb | 1.47 | 1.57 | -0.10 |
| Mar | 1.96 | 2.02 | -0.06 |
| Apr | 3.65 | 3.70 | -0.05 |
| May | 4.04 | 4.07 | -0.03 |
| Jun | 4.83 | 4.86 | -0.03 |
| Jul | 3.99 | 4.02 | -0.03 |
| Aug | 3.95 | 4.01 | -0.06 |
| Sep | 3.32 | 3.31 | 0.01 |
| Oct | 2.79 | 2.83 | -0.04 |
| Nov | 2.18 | 2.16 | 0.02 |
| Dec | 1.76 | 1.85 | -0.09 |
35.51 | 36.00 | -0.49 |