| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.42 | 0.03 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.22 | 1.18 | 0.04 |
| Apr | 2.77 | 2.58 | 0.19 |
| May | 3.95 | 3.95 | 0.00 |
| Jun | 3.91 | 4.07 | -0.16 |
| Jul | 2.85 | 2.87 | -0.02 |
| Aug | 2.72 | 2.81 | -0.09 |
| Sep | 2.15 | 2.39 | -0.24 |
| Oct | 1.77 | 1.87 | -0.10 |
| Nov | 0.64 | 0.66 | -0.02 |
| Dec | 0.56 | 0.54 | 0.02 |
23.63 | 23.95 | -0.32 |