| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.38 | -0.16 |
| Feb | 2.64 | 2.73 | -0.09 |
| Mar | 4.15 | 4.36 | -0.21 |
| Apr | 3.48 | 3.63 | -0.15 |
| May | 3.86 | 4.17 | -0.31 |
| Jun | 4.31 | 4.47 | -0.16 |
| Jul | 4.66 | 4.71 | -0.05 |
| Aug | 4.16 | 4.33 | -0.17 |
| Sep | 4.67 | 4.83 | -0.16 |
| Oct | 3.97 | 4.51 | -0.54 |
| Nov | 3.28 | 3.39 | -0.11 |
| Dec | 3.90 | 4.19 | -0.29 |
46.30 | 48.70 | -2.40 |