| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.33 | 0.06 |
| Feb | 0.56 | 0.42 | 0.14 |
| Mar | 1.16 | 1.07 | 0.09 |
| Apr | 2.07 | 1.95 | 0.12 |
| May | 3.36 | 3.24 | 0.12 |
| Jun | 2.93 | 2.76 | 0.17 |
| Jul | 3.47 | 3.64 | -0.17 |
| Aug | 3.18 | 3.09 | 0.09 |
| Sep | 1.78 | 1.75 | 0.03 |
| Oct | 1.77 | 1.58 | 0.19 |
| Nov | 0.81 | 0.69 | 0.12 |
| Dec | 0.61 | 0.52 | 0.09 |
22.09 | 21.04 | 1.05 |