| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.27 | 5.65 | -0.38 |
| Feb | 5.15 | 5.41 | -0.26 |
| Mar | 5.56 | 5.86 | -0.30 |
| Apr | 4.67 | 4.88 | -0.21 |
| May | 3.95 | 4.24 | -0.29 |
| Jun | 4.62 | 5.20 | -0.58 |
| Jul | 5.07 | 5.50 | -0.43 |
| Aug | 4.62 | 5.16 | -0.54 |
| Sep | 3.65 | 3.72 | -0.07 |
| Oct | 3.55 | 3.68 | -0.13 |
| Nov | 3.94 | 4.27 | -0.33 |
| Dec | 5.19 | 5.40 | -0.21 |
55.24 | 58.97 | -3.73 |