| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.49 | -0.02 |
| Feb | 2.98 | 2.92 | 0.06 |
| Mar | 4.07 | 4.15 | -0.08 |
| Apr | 3.42 | 3.45 | -0.03 |
| May | 3.63 | 3.73 | -0.10 |
| Jun | 3.93 | 4.08 | -0.15 |
| Jul | 4.36 | 4.21 | 0.15 |
| Aug | 4.92 | 4.76 | 0.16 |
| Sep | 4.19 | 4.37 | -0.18 |
| Oct | 3.97 | 4.09 | -0.12 |
| Nov | 3.24 | 3.28 | -0.04 |
| Dec | 3.69 | 3.81 | -0.12 |
45.87 | 46.34 | -0.47 |