| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.19 | 0.00 |
| Feb | 2.54 | 2.60 | -0.06 |
| Mar | 3.28 | 3.24 | 0.04 |
| Apr | 3.56 | 3.71 | -0.15 |
| May | 3.94 | 4.00 | -0.06 |
| Jun | 4.65 | 4.53 | 0.12 |
| Jul | 4.48 | 4.46 | 0.02 |
| Aug | 3.82 | 3.86 | -0.04 |
| Sep | 3.87 | 3.91 | -0.04 |
| Oct | 3.16 | 3.13 | 0.03 |
| Nov | 3.14 | 3.17 | -0.03 |
| Dec | 3.28 | 3.19 | 0.09 |
42.91 | 42.99 | -0.08 |