| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.64 | -0.20 |
| Feb | 2.86 | 2.89 | -0.03 |
| Mar | 3.97 | 3.92 | 0.05 |
| Apr | 3.40 | 3.62 | -0.22 |
| May | 3.76 | 3.94 | -0.18 |
| Jun | 4.36 | 4.60 | -0.24 |
| Jul | 5.46 | 5.22 | 0.24 |
| Aug | 5.13 | 5.56 | -0.43 |
| Sep | 5.19 | 5.33 | -0.14 |
| Oct | 3.96 | 4.38 | -0.42 |
| Nov | 3.25 | 3.45 | -0.20 |
| Dec | 3.32 | 3.59 | -0.27 |
48.10 | 50.14 | -2.04 |