| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.80 | -0.09 |
| Feb | 3.42 | 3.51 | -0.09 |
| Mar | 3.75 | 4.08 | -0.33 |
| Apr | 2.94 | 2.99 | -0.05 |
| May | 3.36 | 3.36 | 0.00 |
| Jun | 4.68 | 4.87 | -0.19 |
| Jul | 4.60 | 4.77 | -0.17 |
| Aug | 4.71 | 4.83 | -0.12 |
| Sep | 4.07 | 4.14 | -0.07 |
| Oct | 3.24 | 3.44 | -0.20 |
| Nov | 2.89 | 3.01 | -0.12 |
| Dec | 3.76 | 3.84 | -0.08 |
45.13 | 46.64 | -1.51 |