| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.51 | -0.08 |
| Feb | 2.81 | 2.75 | 0.06 |
| Mar | 3.97 | 4.04 | -0.07 |
| Apr | 3.47 | 3.45 | 0.02 |
| May | 4.19 | 4.17 | 0.02 |
| Jun | 3.95 | 4.07 | -0.12 |
| Jul | 4.48 | 4.33 | 0.15 |
| Aug | 4.19 | 4.19 | 0.00 |
| Sep | 4.35 | 4.49 | -0.14 |
| Oct | 3.61 | 3.66 | -0.05 |
| Nov | 3.18 | 3.28 | -0.10 |
| Dec | 3.70 | 3.69 | 0.01 |
45.33 | 45.63 | -0.30 |