| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.78 | -0.23 |
| Feb | 3.29 | 3.44 | -0.15 |
| Mar | 3.76 | 3.95 | -0.19 |
| Apr | 3.14 | 3.25 | -0.11 |
| May | 3.93 | 4.04 | -0.11 |
| Jun | 4.77 | 4.58 | 0.19 |
| Jul | 6.36 | 6.24 | 0.12 |
| Aug | 6.91 | 7.08 | -0.17 |
| Sep | 7.70 | 8.44 | -0.74 |
| Oct | 4.75 | 4.84 | -0.09 |
| Nov | 3.46 | 3.61 | -0.15 |
| Dec | 3.64 | 3.69 | -0.05 |
55.26 | 56.94 | -1.68 |