| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 4.57 | -0.21 |
| Feb | 2.87 | 3.08 | -0.21 |
| Mar | 3.25 | 3.33 | -0.08 |
| Apr | 3.72 | 4.27 | -0.55 |
| May | 4.83 | 5.10 | -0.27 |
| Jun | 5.46 | 5.74 | -0.28 |
| Jul | 4.34 | 4.42 | -0.08 |
| Aug | 5.31 | 5.93 | -0.62 |
| Sep | 5.86 | 6.45 | -0.59 |
| Oct | 5.16 | 5.59 | -0.43 |
| Nov | 4.20 | 4.80 | -0.60 |
| Dec | 4.32 | 4.52 | -0.20 |
53.68 | 57.80 | -4.12 |