| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.63 | -0.01 |
| Feb | 1.65 | 1.66 | -0.01 |
| Mar | 2.27 | 2.19 | 0.08 |
| Apr | 3.71 | 3.59 | 0.12 |
| May | 4.30 | 4.28 | 0.02 |
| Jun | 5.06 | 5.16 | -0.10 |
| Jul | 3.82 | 3.82 | 0.00 |
| Aug | 3.94 | 3.95 | -0.01 |
| Sep | 3.59 | 3.49 | 0.10 |
| Oct | 2.80 | 2.82 | -0.02 |
| Nov | 2.33 | 2.24 | 0.09 |
| Dec | 1.95 | 1.92 | 0.03 |
37.04 | 36.75 | 0.29 |