| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.65 | 0.01 |
| Feb | 0.82 | 0.80 | 0.02 |
| Mar | 1.57 | 1.64 | -0.07 |
| Apr | 2.93 | 3.05 | -0.12 |
| May | 4.23 | 4.10 | 0.13 |
| Jun | 4.54 | 4.61 | -0.07 |
| Jul | 3.38 | 3.36 | 0.02 |
| Aug | 3.44 | 3.60 | -0.16 |
| Sep | 3.03 | 3.05 | -0.02 |
| Oct | 2.41 | 2.40 | 0.01 |
| Nov | 1.32 | 1.27 | 0.05 |
| Dec | 0.97 | 0.95 | 0.02 |
29.30 | 29.48 | -0.18 |