| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.04 | -0.13 |
| Feb | 2.51 | 2.63 | -0.12 |
| Mar | 2.87 | 3.04 | -0.17 |
| Apr | 3.43 | 3.63 | -0.20 |
| May | 3.77 | 4.02 | -0.25 |
| Jun | 4.70 | 4.66 | 0.04 |
| Jul | 4.63 | 4.81 | -0.18 |
| Aug | 4.44 | 4.23 | 0.21 |
| Sep | 3.62 | 3.77 | -0.15 |
| Oct | 4.50 | 4.51 | -0.01 |
| Nov | 3.24 | 3.60 | -0.36 |
| Dec | 3.51 | 3.68 | -0.17 |
44.13 | 45.62 | -1.49 |