| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.61 | 0.08 |
| Feb | 2.12 | 2.16 | -0.04 |
| Mar | 2.73 | 2.86 | -0.13 |
| Apr | 3.90 | 3.91 | -0.01 |
| May | 4.38 | 4.42 | -0.04 |
| Jun | 4.71 | 4.51 | 0.20 |
| Jul | 4.32 | 4.18 | 0.14 |
| Aug | 3.82 | 3.77 | 0.05 |
| Sep | 3.09 | 3.14 | -0.05 |
| Oct | 2.94 | 2.92 | 0.02 |
| Nov | 3.21 | 3.10 | 0.11 |
| Dec | 2.45 | 2.49 | -0.04 |
40.36 | 40.07 | 0.29 |