| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.48 | -0.01 |
| Feb | 2.72 | 2.69 | 0.03 |
| Mar | 4.16 | 4.22 | -0.06 |
| Apr | 3.60 | 3.70 | -0.10 |
| May | 3.96 | 4.01 | -0.05 |
| Jun | 4.34 | 4.51 | -0.17 |
| Jul | 4.93 | 4.84 | 0.09 |
| Aug | 4.25 | 4.38 | -0.13 |
| Sep | 3.96 | 4.10 | -0.14 |
| Oct | 4.10 | 3.88 | 0.22 |
| Nov | 3.25 | 3.27 | -0.02 |
| Dec | 4.26 | 4.27 | -0.01 |
47.00 | 47.35 | -0.35 |