| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.80 | -0.15 |
| Feb | 4.08 | 4.21 | -0.13 |
| Mar | 4.73 | 5.02 | -0.29 |
| Apr | 5.14 | 5.25 | -0.11 |
| May | 5.36 | 5.21 | 0.15 |
| Jun | 4.00 | 3.78 | 0.22 |
| Jul | 3.82 | 3.80 | 0.02 |
| Aug | 3.23 | 3.10 | 0.13 |
| Sep | 2.99 | 3.11 | -0.12 |
| Oct | 3.77 | 4.01 | -0.24 |
| Nov | 4.29 | 4.42 | -0.13 |
| Dec | 4.78 | 4.93 | -0.15 |
49.84 | 50.64 | -0.80 |