| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.68 | -0.09 |
| Feb | 1.50 | 1.62 | -0.12 |
| Mar | 1.95 | 2.00 | -0.05 |
| Apr | 3.64 | 3.75 | -0.11 |
| May | 3.85 | 3.90 | -0.05 |
| Jun | 4.57 | 4.56 | 0.01 |
| Jul | 3.73 | 3.86 | -0.13 |
| Aug | 3.79 | 3.73 | 0.06 |
| Sep | 3.21 | 3.11 | 0.10 |
| Oct | 2.81 | 2.82 | -0.01 |
| Nov | 2.09 | 2.13 | -0.04 |
| Dec | 1.80 | 1.96 | -0.16 |
34.53 | 35.12 | -0.59 |