| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.78 | 0.00 |
| Feb | 0.84 | 0.83 | 0.01 |
| Mar | 1.44 | 1.45 | -0.01 |
| Apr | 2.66 | 2.78 | -0.12 |
| May | 3.98 | 3.93 | 0.05 |
| Jun | 4.30 | 4.23 | 0.07 |
| Jul | 4.38 | 4.19 | 0.19 |
| Aug | 4.05 | 4.06 | -0.01 |
| Sep | 3.40 | 3.47 | -0.07 |
| Oct | 3.04 | 3.07 | -0.03 |
| Nov | 1.66 | 1.64 | 0.02 |
| Dec | 1.15 | 1.16 | -0.01 |
31.68 | 31.59 | 0.09 |