| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.07 | 4.06 | 0.01 |
| Feb | 4.27 | 4.35 | -0.08 |
| Mar | 4.88 | 4.97 | -0.09 |
| Apr | 4.77 | 4.90 | -0.13 |
| May | 5.12 | 5.42 | -0.30 |
| Jun | 4.80 | 4.84 | -0.04 |
| Jul | 4.84 | 5.14 | -0.30 |
| Aug | 3.69 | 3.80 | -0.11 |
| Sep | 3.83 | 3.95 | -0.12 |
| Oct | 3.52 | 3.64 | -0.12 |
| Nov | 3.67 | 3.76 | -0.09 |
| Dec | 4.81 | 4.86 | -0.05 |
52.27 | 53.69 | -1.42 |