| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.53 | -0.15 |
| Feb | 3.14 | 3.24 | -0.10 |
| Mar | 3.36 | 3.52 | -0.16 |
| Apr | 3.13 | 3.30 | -0.17 |
| May | 3.77 | 3.78 | -0.01 |
| Jun | 4.72 | 4.93 | -0.21 |
| Jul | 4.89 | 5.08 | -0.19 |
| Aug | 5.22 | 5.38 | -0.16 |
| Sep | 5.23 | 5.41 | -0.18 |
| Oct | 3.22 | 3.66 | -0.44 |
| Nov | 3.16 | 3.28 | -0.12 |
| Dec | 3.34 | 3.49 | -0.15 |
46.56 | 48.60 | -2.04 |