| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.98 | -0.24 |
| Feb | 0.78 | 0.94 | -0.16 |
| Mar | 1.60 | 1.73 | -0.13 |
| Apr | 2.89 | 3.09 | -0.20 |
| May | 4.15 | 4.19 | -0.04 |
| Jun | 4.61 | 4.75 | -0.14 |
| Jul | 4.12 | 4.30 | -0.18 |
| Aug | 4.49 | 4.55 | -0.06 |
| Sep | 3.25 | 3.24 | 0.01 |
| Oct | 2.66 | 2.77 | -0.11 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.07 | 1.30 | -0.23 |
31.93 | 33.55 | -1.62 |