| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.66 | 0.00 |
| Feb | 1.70 | 1.90 | -0.20 |
| Mar | 3.22 | 3.14 | 0.08 |
| Apr | 4.39 | 4.09 | 0.30 |
| May | 5.50 | 5.90 | -0.40 |
| Jun | 4.61 | 4.64 | -0.03 |
| Jul | 3.77 | 3.64 | 0.13 |
| Aug | 3.39 | 3.49 | -0.10 |
| Sep | 3.85 | 3.69 | 0.16 |
| Oct | 3.55 | 3.64 | -0.09 |
| Nov | 2.83 | 2.71 | 0.12 |
| Dec | 2.35 | 2.28 | 0.07 |
40.82 | 40.78 | 0.04 |