| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.66 | -0.17 |
| Feb | 3.46 | 3.60 | -0.14 |
| Mar | 4.54 | 4.61 | -0.07 |
| Apr | 4.88 | 4.84 | 0.04 |
| May | 5.36 | 5.31 | 0.05 |
| Jun | 4.98 | 4.94 | 0.04 |
| Jul | 4.95 | 4.85 | 0.10 |
| Aug | 3.48 | 3.40 | 0.08 |
| Sep | 3.44 | 3.63 | -0.19 |
| Oct | 3.76 | 3.58 | 0.18 |
| Nov | 3.42 | 3.47 | -0.05 |
| Dec | 4.20 | 4.24 | -0.04 |
49.96 | 50.13 | -0.17 |