| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.48 | 0.02 |
| Feb | 2.76 | 2.84 | -0.08 |
| Mar | 3.82 | 3.88 | -0.06 |
| Apr | 3.94 | 4.02 | -0.08 |
| May | 4.04 | 4.29 | -0.25 |
| Jun | 4.91 | 5.13 | -0.22 |
| Jul | 4.98 | 4.79 | 0.19 |
| Aug | 4.67 | 4.65 | 0.02 |
| Sep | 5.04 | 5.13 | -0.09 |
| Oct | 4.56 | 4.81 | -0.25 |
| Nov | 3.61 | 3.67 | -0.06 |
| Dec | 4.15 | 4.28 | -0.13 |
49.98 | 50.97 | -0.99 |