| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 3.99 | -0.02 |
| Feb | 3.73 | 3.85 | -0.12 |
| Mar | 4.44 | 4.59 | -0.15 |
| Apr | 2.92 | 3.06 | -0.14 |
| May | 3.23 | 3.13 | 0.10 |
| Jun | 4.46 | 4.62 | -0.16 |
| Jul | 4.14 | 4.19 | -0.05 |
| Aug | 4.47 | 4.54 | -0.07 |
| Sep | 3.52 | 3.68 | -0.16 |
| Oct | 2.71 | 2.82 | -0.11 |
| Nov | 3.08 | 3.21 | -0.13 |
| Dec | 3.96 | 4.02 | -0.06 |
44.63 | 45.70 | -1.07 |