| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.05 | -0.12 |
| Feb | 2.62 | 2.69 | -0.07 |
| Mar | 3.67 | 3.79 | -0.12 |
| Apr | 3.37 | 3.37 | 0.00 |
| May | 4.07 | 4.38 | -0.31 |
| Jun | 4.18 | 4.49 | -0.31 |
| Jul | 4.55 | 4.52 | 0.03 |
| Aug | 3.67 | 3.75 | -0.08 |
| Sep | 4.28 | 4.27 | 0.01 |
| Oct | 3.77 | 3.92 | -0.15 |
| Nov | 3.02 | 3.14 | -0.12 |
| Dec | 3.58 | 3.65 | -0.07 |
43.71 | 45.02 | -1.31 |