| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.76 | -0.02 |
| Feb | 1.69 | 1.77 | -0.08 |
| Mar | 2.19 | 2.21 | -0.02 |
| Apr | 3.75 | 3.68 | 0.07 |
| May | 4.24 | 4.54 | -0.30 |
| Jun | 4.55 | 4.75 | -0.20 |
| Jul | 3.64 | 3.77 | -0.13 |
| Aug | 3.74 | 3.75 | -0.01 |
| Sep | 3.55 | 3.51 | 0.04 |
| Oct | 3.07 | 3.11 | -0.04 |
| Nov | 2.39 | 2.35 | 0.04 |
| Dec | 1.98 | 1.99 | -0.01 |
36.53 | 37.19 | -0.66 |