| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 4.00 | -0.45 |
| Feb | 3.12 | 3.51 | -0.39 |
| Mar | 4.54 | 5.08 | -0.54 |
| Apr | 4.17 | 4.55 | -0.38 |
| May | 3.50 | 3.42 | 0.08 |
| Jun | 3.62 | 3.76 | -0.14 |
| Jul | 3.09 | 3.12 | -0.03 |
| Aug | 3.62 | 3.80 | -0.18 |
| Sep | 3.92 | 3.82 | 0.10 |
| Oct | 4.44 | 4.68 | -0.24 |
| Nov | 3.70 | 4.10 | -0.40 |
| Dec | 4.41 | 4.93 | -0.52 |
45.68 | 48.77 | -3.09 |