| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.06 | 0.12 |
| Feb | 4.92 | 4.90 | 0.02 |
| Mar | 5.28 | 5.17 | 0.11 |
| Apr | 4.56 | 4.41 | 0.15 |
| May | 4.10 | 4.01 | 0.09 |
| Jun | 4.36 | 4.25 | 0.11 |
| Jul | 4.65 | 4.62 | 0.03 |
| Aug | 4.64 | 4.42 | 0.22 |
| Sep | 4.17 | 4.07 | 0.10 |
| Oct | 3.75 | 3.73 | 0.02 |
| Nov | 4.39 | 4.33 | 0.06 |
| Dec | 5.15 | 5.03 | 0.12 |
55.15 | 54.00 | 1.15 |