| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 0.91 | 0.12 |
| Feb | 1.03 | 0.96 | 0.07 |
| Mar | 1.95 | 1.86 | 0.09 |
| Apr | 3.57 | 3.46 | 0.11 |
| May | 4.56 | 4.42 | 0.14 |
| Jun | 5.51 | 5.31 | 0.20 |
| Jul | 4.41 | 4.10 | 0.31 |
| Aug | 4.33 | 4.31 | 0.02 |
| Sep | 3.76 | 3.56 | 0.20 |
| Oct | 2.51 | 2.42 | 0.09 |
| Nov | 1.82 | 1.63 | 0.19 |
| Dec | 1.25 | 1.15 | 0.10 |
35.73 | 34.09 | 1.64 |