| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.90 | -0.01 |
| Feb | 0.92 | 0.91 | 0.01 |
| Mar | 1.77 | 1.79 | -0.02 |
| Apr | 3.23 | 3.16 | 0.07 |
| May | 4.36 | 4.32 | 0.04 |
| Jun | 5.20 | 5.27 | -0.07 |
| Jul | 4.61 | 4.68 | -0.07 |
| Aug | 4.47 | 4.48 | -0.01 |
| Sep | 3.60 | 3.67 | -0.07 |
| Oct | 2.51 | 2.57 | -0.06 |
| Nov | 1.55 | 1.53 | 0.02 |
| Dec | 1.17 | 1.16 | 0.01 |
34.28 | 34.44 | -0.16 |