| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.88 | -0.10 |
| Feb | 1.77 | 1.83 | -0.06 |
| Mar | 2.26 | 2.22 | 0.04 |
| Apr | 3.73 | 3.71 | 0.02 |
| May | 4.65 | 4.86 | -0.21 |
| Jun | 4.63 | 4.64 | -0.01 |
| Jul | 3.90 | 3.89 | 0.01 |
| Aug | 3.88 | 4.01 | -0.13 |
| Sep | 3.52 | 3.48 | 0.04 |
| Oct | 3.23 | 3.21 | 0.02 |
| Nov | 2.43 | 2.47 | -0.04 |
| Dec | 2.07 | 2.10 | -0.03 |
37.85 | 38.30 | -0.45 |