| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.74 | -0.07 |
| Feb | 4.08 | 4.14 | -0.06 |
| Mar | 4.77 | 4.69 | 0.08 |
| Apr | 4.99 | 4.95 | 0.04 |
| May | 5.27 | 5.19 | 0.08 |
| Jun | 4.77 | 4.62 | 0.15 |
| Jul | 4.36 | 4.51 | -0.15 |
| Aug | 3.48 | 3.54 | -0.06 |
| Sep | 3.77 | 3.61 | 0.16 |
| Oct | 3.95 | 4.01 | -0.06 |
| Nov | 3.66 | 3.77 | -0.11 |
| Dec | 4.53 | 4.62 | -0.09 |
51.30 | 51.39 | -0.09 |