| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 4.96 | 0.07 |
| Feb | 5.31 | 5.20 | 0.11 |
| Mar | 5.19 | 5.07 | 0.12 |
| Apr | 5.03 | 5.17 | -0.14 |
| May | 3.87 | 4.33 | -0.46 |
| Jun | 4.50 | 4.62 | -0.12 |
| Jul | 4.60 | 5.32 | -0.72 |
| Aug | 3.90 | 3.69 | 0.21 |
| Sep | 4.08 | 4.06 | 0.02 |
| Oct | 3.48 | 3.04 | 0.44 |
| Nov | 4.58 | 4.13 | 0.45 |
| Dec | 5.91 | 5.69 | 0.22 |
55.48 | 55.28 | 0.20 |