| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.98 | -0.24 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.61 | 1.70 | -0.09 |
| Apr | 2.91 | 3.10 | -0.19 |
| May | 4.16 | 4.14 | 0.02 |
| Jun | 4.59 | 4.64 | -0.05 |
| Jul | 4.14 | 4.31 | -0.17 |
| Aug | 4.48 | 4.41 | 0.07 |
| Sep | 3.28 | 3.24 | 0.04 |
| Oct | 2.67 | 2.76 | -0.09 |
| Nov | 1.57 | 1.70 | -0.13 |
| Dec | 1.06 | 1.28 | -0.22 |
31.99 | 33.16 | -1.17 |