| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.73 | -0.19 |
| Feb | 3.08 | 3.17 | -0.09 |
| Mar | 3.77 | 4.05 | -0.28 |
| Apr | 3.57 | 3.63 | -0.06 |
| May | 3.54 | 3.42 | 0.12 |
| Jun | 4.09 | 4.15 | -0.06 |
| Jul | 3.78 | 3.93 | -0.15 |
| Aug | 4.08 | 4.23 | -0.15 |
| Sep | 3.68 | 3.91 | -0.23 |
| Oct | 3.12 | 3.26 | -0.14 |
| Nov | 3.18 | 3.29 | -0.11 |
| Dec | 3.48 | 3.74 | -0.26 |
42.91 | 44.51 | -1.60 |