| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.88 | -0.05 |
| Feb | 1.16 | 1.30 | -0.14 |
| Mar | 1.99 | 2.10 | -0.11 |
| Apr | 3.64 | 3.39 | 0.25 |
| May | 5.19 | 5.10 | 0.09 |
| Jun | 5.12 | 5.02 | 0.10 |
| Jul | 4.14 | 4.05 | 0.09 |
| Aug | 4.36 | 4.25 | 0.11 |
| Sep | 3.61 | 3.55 | 0.06 |
| Oct | 2.78 | 2.59 | 0.19 |
| Nov | 1.88 | 1.86 | 0.02 |
| Dec | 1.33 | 1.42 | -0.09 |
36.03 | 35.51 | 0.52 |