| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.66 | -0.08 |
| Feb | 1.49 | 1.60 | -0.11 |
| Mar | 1.94 | 1.98 | -0.04 |
| Apr | 3.63 | 3.77 | -0.14 |
| May | 3.68 | 3.81 | -0.13 |
| Jun | 4.27 | 4.46 | -0.19 |
| Jul | 3.45 | 3.57 | -0.12 |
| Aug | 3.65 | 3.69 | -0.04 |
| Sep | 3.11 | 3.11 | 0.00 |
| Oct | 2.75 | 2.80 | -0.05 |
| Nov | 2.08 | 2.09 | -0.01 |
| Dec | 1.79 | 1.97 | -0.18 |
33.42 | 34.51 | -1.09 |