| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.71 | -0.16 |
| Feb | 3.11 | 3.16 | -0.05 |
| Mar | 3.83 | 4.05 | -0.22 |
| Apr | 3.63 | 3.64 | -0.01 |
| May | 3.47 | 3.45 | 0.02 |
| Jun | 4.14 | 4.16 | -0.02 |
| Jul | 3.82 | 3.89 | -0.07 |
| Aug | 4.08 | 4.22 | -0.14 |
| Sep | 3.73 | 3.90 | -0.17 |
| Oct | 3.11 | 3.24 | -0.13 |
| Nov | 3.20 | 3.27 | -0.07 |
| Dec | 3.51 | 3.73 | -0.22 |
43.18 | 44.42 | -1.24 |