| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 3.01 | -0.25 |
| Feb | 2.48 | 2.84 | -0.36 |
| Mar | 2.98 | 3.29 | -0.31 |
| Apr | 3.53 | 3.64 | -0.11 |
| May | 3.60 | 3.52 | 0.08 |
| Jun | 4.22 | 4.19 | 0.03 |
| Jul | 4.10 | 4.17 | -0.07 |
| Aug | 3.78 | 3.94 | -0.16 |
| Sep | 3.76 | 3.79 | -0.03 |
| Oct | 4.24 | 4.16 | 0.08 |
| Nov | 3.33 | 3.42 | -0.09 |
| Dec | 3.28 | 3.57 | -0.29 |
42.06 | 43.54 | -1.48 |