| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.68 | 0.02 |
| Feb | 0.78 | 0.83 | -0.05 |
| Mar | 1.62 | 1.59 | 0.03 |
| Apr | 2.80 | 2.86 | -0.06 |
| May | 4.80 | 4.84 | -0.04 |
| Jun | 4.57 | 4.66 | -0.09 |
| Jul | 3.52 | 3.32 | 0.20 |
| Aug | 3.66 | 3.82 | -0.16 |
| Sep | 2.81 | 2.69 | 0.12 |
| Oct | 2.20 | 2.22 | -0.02 |
| Nov | 1.30 | 1.33 | -0.03 |
| Dec | 1.06 | 1.07 | -0.01 |
29.82 | 29.91 | -0.09 |