| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.10 | -0.15 |
| Feb | 2.64 | 2.75 | -0.11 |
| Mar | 3.69 | 3.83 | -0.14 |
| Apr | 3.39 | 3.42 | -0.03 |
| May | 4.13 | 4.44 | -0.31 |
| Jun | 4.19 | 4.44 | -0.25 |
| Jul | 4.56 | 4.62 | -0.06 |
| Aug | 3.68 | 3.76 | -0.08 |
| Sep | 4.30 | 4.41 | -0.11 |
| Oct | 3.79 | 3.98 | -0.19 |
| Nov | 3.05 | 3.19 | -0.14 |
| Dec | 3.60 | 3.64 | -0.04 |
43.97 | 45.58 | -1.61 |