| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.37 | 0.04 |
| Feb | 1.97 | 1.86 | 0.11 |
| Mar | 2.82 | 2.76 | 0.06 |
| Apr | 2.60 | 2.73 | -0.13 |
| May | 4.28 | 4.57 | -0.29 |
| Jun | 3.44 | 3.40 | 0.04 |
| Jul | 2.29 | 2.29 | 0.00 |
| Aug | 2.35 | 2.44 | -0.09 |
| Sep | 3.62 | 3.69 | -0.07 |
| Oct | 4.28 | 4.18 | 0.10 |
| Nov | 2.62 | 2.77 | -0.15 |
| Dec | 2.40 | 2.55 | -0.15 |
35.08 | 35.61 | -0.53 |