| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.61 | 0.00 |
| Feb | 0.56 | 0.58 | -0.02 |
| Mar | 1.13 | 1.11 | 0.02 |
| Apr | 2.13 | 2.09 | 0.04 |
| May | 3.25 | 3.17 | 0.08 |
| Jun | 4.25 | 4.27 | -0.02 |
| Jul | 4.34 | 4.19 | 0.15 |
| Aug | 3.50 | 3.52 | -0.02 |
| Sep | 2.85 | 2.75 | 0.10 |
| Oct | 2.51 | 2.47 | 0.04 |
| Nov | 1.00 | 0.96 | 0.04 |
| Dec | 0.71 | 0.83 | -0.12 |
26.84 | 26.55 | 0.29 |