| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.75 | 0.00 |
| Feb | 0.81 | 0.79 | 0.02 |
| Mar | 1.56 | 1.51 | 0.05 |
| Apr | 2.82 | 2.92 | -0.10 |
| May | 4.19 | 4.23 | -0.04 |
| Jun | 4.40 | 4.36 | 0.04 |
| Jul | 4.41 | 4.37 | 0.04 |
| Aug | 4.09 | 4.05 | 0.04 |
| Sep | 3.33 | 3.27 | 0.06 |
| Oct | 2.80 | 2.85 | -0.05 |
| Nov | 1.63 | 1.61 | 0.02 |
| Dec | 1.10 | 1.16 | -0.06 |
31.89 | 31.87 | 0.02 |