| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.46 | -0.15 |
| Feb | 2.61 | 2.77 | -0.16 |
| Mar | 3.58 | 3.64 | -0.06 |
| Apr | 4.86 | 5.06 | -0.20 |
| May | 5.02 | 5.12 | -0.10 |
| Jun | 5.01 | 5.22 | -0.21 |
| Jul | 4.57 | 4.72 | -0.15 |
| Aug | 3.34 | 3.26 | 0.08 |
| Sep | 3.49 | 3.66 | -0.17 |
| Oct | 3.63 | 3.71 | -0.08 |
| Nov | 3.84 | 3.92 | -0.08 |
| Dec | 3.22 | 3.41 | -0.19 |
46.48 | 47.95 | -1.47 |