| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.75 | -0.04 |
| Feb | 3.00 | 3.07 | -0.07 |
| Mar | 3.94 | 3.97 | -0.03 |
| Apr | 3.89 | 3.80 | 0.09 |
| May | 4.98 | 5.12 | -0.14 |
| Jun | 3.82 | 3.84 | -0.02 |
| Jul | 2.36 | 2.40 | -0.04 |
| Aug | 2.53 | 2.59 | -0.06 |
| Sep | 3.23 | 3.18 | 0.05 |
| Oct | 4.65 | 4.76 | -0.11 |
| Nov | 3.40 | 3.42 | -0.02 |
| Dec | 3.69 | 3.62 | 0.07 |
42.20 | 42.52 | -0.32 |