| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.21 | 0.03 |
| Feb | 2.71 | 2.78 | -0.07 |
| Mar | 3.58 | 3.55 | 0.03 |
| Apr | 3.60 | 3.58 | 0.02 |
| May | 4.21 | 4.31 | -0.10 |
| Jun | 4.11 | 4.12 | -0.01 |
| Jul | 4.36 | 4.19 | 0.17 |
| Aug | 3.79 | 3.73 | 0.06 |
| Sep | 3.37 | 3.44 | -0.07 |
| Oct | 3.13 | 2.97 | 0.16 |
| Nov | 2.90 | 2.93 | -0.03 |
| Dec | 3.28 | 3.29 | -0.01 |
42.28 | 42.10 | 0.18 |