| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.04 | 1.89 | 0.15 |
| Feb | 1.86 | 1.66 | 0.20 |
| Mar | 2.40 | 2.46 | -0.06 |
| Apr | 2.82 | 2.81 | 0.01 |
| May | 3.11 | 3.17 | -0.06 |
| Jun | 3.65 | 3.64 | 0.01 |
| Jul | 3.62 | 3.63 | -0.01 |
| Aug | 3.39 | 3.51 | -0.12 |
| Sep | 3.30 | 3.21 | 0.09 |
| Oct | 3.51 | 3.73 | -0.22 |
| Nov | 2.53 | 2.54 | -0.01 |
| Dec | 2.54 | 2.36 | 0.18 |
34.77 | 34.61 | 0.16 |