| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.75 | -0.12 |
| Feb | 3.39 | 3.60 | -0.21 |
| Mar | 3.58 | 3.73 | -0.15 |
| Apr | 3.16 | 3.29 | -0.13 |
| May | 3.63 | 3.79 | -0.16 |
| Jun | 4.90 | 5.03 | -0.13 |
| Jul | 5.26 | 5.27 | -0.01 |
| Aug | 5.18 | 5.22 | -0.04 |
| Sep | 4.34 | 4.53 | -0.19 |
| Oct | 3.55 | 3.55 | 0.00 |
| Nov | 2.83 | 2.89 | -0.06 |
| Dec | 3.66 | 3.75 | -0.09 |
47.11 | 48.40 | -1.29 |