| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.69 | 0.17 |
| Feb | 4.84 | 5.08 | -0.24 |
| Mar | 4.90 | 4.88 | 0.02 |
| Apr | 4.16 | 4.35 | -0.19 |
| May | 3.06 | 3.10 | -0.04 |
| Jun | 5.07 | 4.90 | 0.17 |
| Jul | 5.62 | 5.82 | -0.20 |
| Aug | 5.16 | 4.98 | 0.18 |
| Sep | 4.46 | 4.29 | 0.17 |
| Oct | 2.73 | 2.86 | -0.13 |
| Nov | 3.43 | 3.66 | -0.23 |
| Dec | 4.93 | 5.05 | -0.12 |
53.22 | 53.66 | -0.44 |