| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.33 | 0.27 |
| Feb | 1.27 | 1.10 | 0.17 |
| Mar | 1.83 | 1.64 | 0.19 |
| Apr | 2.91 | 2.73 | 0.18 |
| May | 3.70 | 3.60 | 0.10 |
| Jun | 4.14 | 4.39 | -0.25 |
| Jul | 4.12 | 4.12 | 0.00 |
| Aug | 3.62 | 3.58 | 0.04 |
| Sep | 3.72 | 3.58 | 0.14 |
| Oct | 3.62 | 3.53 | 0.09 |
| Nov | 2.30 | 1.95 | 0.35 |
| Dec | 1.83 | 1.65 | 0.18 |
34.66 | 33.20 | 1.46 |