| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.98 | -0.28 |
| Feb | 1.15 | 1.33 | -0.18 |
| Mar | 1.69 | 1.73 | -0.04 |
| Apr | 2.62 | 2.81 | -0.19 |
| May | 2.82 | 2.74 | 0.08 |
| Jun | 2.97 | 2.94 | 0.03 |
| Jul | 3.01 | 2.93 | 0.08 |
| Aug | 3.05 | 2.99 | 0.06 |
| Sep | 3.45 | 3.52 | -0.07 |
| Oct | 4.09 | 4.07 | 0.02 |
| Nov | 2.57 | 2.71 | -0.14 |
| Dec | 2.11 | 2.16 | -0.05 |
31.23 | 31.91 | -0.68 |