| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.73 | 6.18 | -0.45 |
| Feb | 4.21 | 4.35 | -0.14 |
| Mar | 4.32 | 4.75 | -0.43 |
| Apr | 3.33 | 3.59 | -0.26 |
| May | 2.43 | 2.52 | -0.09 |
| Jun | 1.54 | 1.68 | -0.14 |
| Jul | 0.42 | 0.43 | -0.01 |
| Aug | 0.53 | 0.57 | -0.04 |
| Sep | 1.49 | 1.53 | -0.04 |
| Oct | 3.70 | 3.82 | -0.12 |
| Nov | 6.11 | 6.36 | -0.25 |
| Dec | 6.74 | 7.16 | -0.42 |
40.55 | 42.94 | -2.39 |