| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.88 | -0.18 |
| Feb | 1.66 | 1.86 | -0.20 |
| Mar | 2.21 | 2.43 | -0.22 |
| Apr | 3.67 | 3.91 | -0.24 |
| May | 3.84 | 4.04 | -0.20 |
| Jun | 4.08 | 4.15 | -0.07 |
| Jul | 3.25 | 3.11 | 0.14 |
| Aug | 3.56 | 3.66 | -0.10 |
| Sep | 3.25 | 3.29 | -0.04 |
| Oct | 3.09 | 3.13 | -0.04 |
| Nov | 2.31 | 2.47 | -0.16 |
| Dec | 1.90 | 2.08 | -0.18 |
34.52 | 36.01 | -1.49 |