| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.73 | 0.03 |
| Feb | 0.97 | 0.93 | 0.04 |
| Mar | 1.65 | 1.67 | -0.02 |
| Apr | 2.74 | 2.75 | -0.01 |
| May | 5.32 | 5.28 | 0.04 |
| Jun | 4.61 | 4.73 | -0.12 |
| Jul | 3.84 | 3.77 | 0.07 |
| Aug | 3.49 | 3.44 | 0.05 |
| Sep | 2.91 | 2.97 | -0.06 |
| Oct | 2.35 | 2.40 | -0.05 |
| Nov | 1.35 | 1.37 | -0.02 |
| Dec | 1.20 | 1.16 | 0.04 |
31.19 | 31.20 | -0.01 |