| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.80 | 5.93 | -0.13 |
| Feb | 5.52 | 5.94 | -0.42 |
| Mar | 5.49 | 5.66 | -0.17 |
| Apr | 5.41 | 5.34 | 0.07 |
| May | 4.11 | 4.36 | -0.25 |
| Jun | 4.54 | 4.67 | -0.13 |
| Jul | 5.18 | 5.35 | -0.17 |
| Aug | 4.86 | 5.11 | -0.25 |
| Sep | 3.69 | 3.86 | -0.17 |
| Oct | 3.59 | 3.75 | -0.16 |
| Nov | 4.46 | 4.52 | -0.06 |
| Dec | 5.43 | 5.58 | -0.15 |
58.08 | 60.07 | -1.99 |