| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.51 | -0.07 |
| Feb | 2.89 | 3.10 | -0.21 |
| Mar | 3.68 | 3.94 | -0.26 |
| Apr | 3.75 | 3.82 | -0.07 |
| May | 3.86 | 3.77 | 0.09 |
| Jun | 4.64 | 4.58 | 0.06 |
| Jul | 4.43 | 4.69 | -0.26 |
| Aug | 4.48 | 4.58 | -0.10 |
| Sep | 4.70 | 4.74 | -0.04 |
| Oct | 4.61 | 4.73 | -0.12 |
| Nov | 3.56 | 3.55 | 0.01 |
| Dec | 4.17 | 4.46 | -0.29 |
48.21 | 49.47 | -1.26 |