| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.29 | 4.25 | 0.04 |
| Feb | 3.97 | 3.93 | 0.04 |
| Mar | 4.43 | 4.61 | -0.18 |
| Apr | 3.97 | 4.17 | -0.20 |
| May | 3.95 | 3.94 | 0.01 |
| Jun | 4.25 | 4.12 | 0.13 |
| Jul | 4.39 | 4.69 | -0.30 |
| Aug | 4.80 | 4.92 | -0.12 |
| Sep | 3.99 | 3.91 | 0.08 |
| Oct | 3.50 | 3.70 | -0.20 |
| Nov | 3.86 | 4.02 | -0.16 |
| Dec | 4.59 | 4.85 | -0.26 |
49.99 | 51.11 | -1.12 |