| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.03 | 0.05 |
| Feb | 1.17 | 1.08 | 0.09 |
| Mar | 1.86 | 1.83 | 0.03 |
| Apr | 3.20 | 3.08 | 0.12 |
| May | 4.16 | 4.08 | 0.08 |
| Jun | 4.88 | 4.78 | 0.10 |
| Jul | 3.69 | 3.75 | -0.06 |
| Aug | 4.28 | 4.11 | 0.17 |
| Sep | 3.64 | 3.65 | -0.01 |
| Oct | 2.70 | 2.56 | 0.14 |
| Nov | 1.87 | 1.76 | 0.11 |
| Dec | 1.29 | 1.34 | -0.05 |
33.82 | 33.05 | 0.77 |