| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.23 | -0.32 |
| Feb | 2.42 | 2.53 | -0.11 |
| Mar | 3.54 | 3.65 | -0.11 |
| Apr | 3.81 | 3.98 | -0.17 |
| May | 4.15 | 4.12 | 0.03 |
| Jun | 4.32 | 4.46 | -0.14 |
| Jul | 4.50 | 4.40 | 0.10 |
| Aug | 3.58 | 3.57 | 0.01 |
| Sep | 3.19 | 3.28 | -0.09 |
| Oct | 2.84 | 2.93 | -0.09 |
| Nov | 2.80 | 2.96 | -0.16 |
| Dec | 3.04 | 3.16 | -0.12 |
41.10 | 42.27 | -1.17 |