| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 2.88 | 0.09 |
| Feb | 2.64 | 2.51 | 0.13 |
| Mar | 3.13 | 3.10 | 0.03 |
| Apr | 3.50 | 3.43 | 0.07 |
| May | 3.71 | 3.59 | 0.12 |
| Jun | 4.47 | 4.52 | -0.05 |
| Jul | 4.31 | 4.46 | -0.15 |
| Aug | 4.08 | 4.07 | 0.01 |
| Sep | 3.94 | 3.65 | 0.29 |
| Oct | 4.04 | 4.08 | -0.04 |
| Nov | 3.20 | 3.09 | 0.11 |
| Dec | 3.58 | 3.59 | -0.01 |
43.57 | 42.97 | 0.60 |