| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.98 | -0.12 |
| Feb | 2.31 | 2.36 | -0.05 |
| Mar | 3.16 | 3.22 | -0.06 |
| Apr | 3.64 | 3.77 | -0.13 |
| May | 3.94 | 4.02 | -0.08 |
| Jun | 4.73 | 4.45 | 0.28 |
| Jul | 4.17 | 4.04 | 0.13 |
| Aug | 3.52 | 3.63 | -0.11 |
| Sep | 3.56 | 3.43 | 0.13 |
| Oct | 3.19 | 3.14 | 0.05 |
| Nov | 2.77 | 2.85 | -0.08 |
| Dec | 2.88 | 2.95 | -0.07 |
40.73 | 40.84 | -0.11 |