| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.23 | -0.31 |
| Feb | 2.42 | 2.53 | -0.11 |
| Mar | 3.53 | 3.65 | -0.12 |
| Apr | 3.80 | 3.98 | -0.18 |
| May | 4.14 | 4.10 | 0.04 |
| Jun | 4.31 | 4.44 | -0.13 |
| Jul | 4.50 | 4.37 | 0.13 |
| Aug | 3.58 | 3.57 | 0.01 |
| Sep | 3.20 | 3.26 | -0.06 |
| Oct | 2.84 | 2.93 | -0.09 |
| Nov | 2.79 | 2.96 | -0.17 |
| Dec | 3.04 | 3.15 | -0.11 |
41.07 | 42.17 | -1.10 |