| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.93 | -0.10 |
| Feb | 2.37 | 2.44 | -0.07 |
| Mar | 3.18 | 3.17 | 0.01 |
| Apr | 4.57 | 4.78 | -0.21 |
| May | 4.40 | 4.57 | -0.17 |
| Jun | 4.89 | 4.99 | -0.10 |
| Jul | 4.08 | 4.26 | -0.18 |
| Aug | 3.11 | 3.09 | 0.02 |
| Sep | 2.89 | 3.06 | -0.17 |
| Oct | 3.61 | 3.69 | -0.08 |
| Nov | 3.62 | 3.62 | 0.00 |
| Dec | 2.74 | 2.86 | -0.12 |
42.29 | 43.46 | -1.17 |