| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.30 | 0.10 |
| Feb | 2.81 | 2.86 | -0.05 |
| Mar | 3.34 | 3.27 | 0.07 |
| Apr | 3.16 | 3.29 | -0.13 |
| May | 4.95 | 4.75 | 0.20 |
| Jun | 3.96 | 4.04 | -0.08 |
| Jul | 2.37 | 2.08 | 0.29 |
| Aug | 3.36 | 3.22 | 0.14 |
| Sep | 3.67 | 3.55 | 0.12 |
| Oct | 4.69 | 4.57 | 0.12 |
| Nov | 3.75 | 3.76 | -0.01 |
| Dec | 3.42 | 3.49 | -0.07 |
42.88 | 42.18 | 0.70 |