| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.33 | 4.51 | -0.18 |
| Feb | 2.87 | 3.15 | -0.28 |
| Mar | 3.29 | 3.43 | -0.14 |
| Apr | 3.78 | 4.25 | -0.47 |
| May | 4.98 | 5.22 | -0.24 |
| Jun | 5.45 | 5.83 | -0.38 |
| Jul | 4.33 | 4.52 | -0.19 |
| Aug | 5.29 | 5.82 | -0.53 |
| Sep | 5.79 | 6.12 | -0.33 |
| Oct | 5.13 | 5.61 | -0.48 |
| Nov | 4.18 | 4.74 | -0.56 |
| Dec | 4.31 | 4.51 | -0.20 |
53.73 | 57.71 | -3.98 |