| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.60 | -0.13 |
| Feb | 2.78 | 2.83 | -0.05 |
| Mar | 4.12 | 4.20 | -0.08 |
| Apr | 3.66 | 3.82 | -0.16 |
| May | 4.05 | 3.99 | 0.06 |
| Jun | 4.36 | 4.54 | -0.18 |
| Jul | 5.04 | 4.82 | 0.22 |
| Aug | 4.40 | 4.52 | -0.12 |
| Sep | 4.06 | 4.12 | -0.06 |
| Oct | 4.14 | 4.12 | 0.02 |
| Nov | 3.23 | 3.34 | -0.11 |
| Dec | 4.32 | 4.31 | 0.01 |
47.63 | 48.21 | -0.58 |