| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.50 | -0.05 |
| Feb | 2.82 | 2.91 | -0.09 |
| Mar | 3.86 | 3.81 | 0.05 |
| Apr | 4.78 | 5.13 | -0.35 |
| May | 5.11 | 5.24 | -0.13 |
| Jun | 4.96 | 5.18 | -0.22 |
| Jul | 4.36 | 4.50 | -0.14 |
| Aug | 3.51 | 3.61 | -0.10 |
| Sep | 3.38 | 3.53 | -0.15 |
| Oct | 3.55 | 3.48 | 0.07 |
| Nov | 3.62 | 3.74 | -0.12 |
| Dec | 3.61 | 3.64 | -0.03 |
47.01 | 48.27 | -1.26 |