| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 5.35 | -0.40 |
| Feb | 5.24 | 5.03 | 0.21 |
| Mar | 5.14 | 5.42 | -0.28 |
| Apr | 4.89 | 4.83 | 0.06 |
| May | 4.12 | 4.24 | -0.12 |
| Jun | 4.16 | 4.33 | -0.17 |
| Jul | 4.37 | 4.72 | -0.35 |
| Aug | 3.70 | 3.87 | -0.17 |
| Sep | 4.14 | 4.69 | -0.55 |
| Oct | 3.74 | 3.69 | 0.05 |
| Nov | 4.52 | 4.78 | -0.26 |
| Dec | 5.23 | 5.76 | -0.53 |
54.20 | 56.71 | -2.51 |