| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.48 | -0.01 |
| Feb | 2.99 | 2.96 | 0.03 |
| Mar | 4.12 | 4.19 | -0.07 |
| Apr | 3.38 | 3.46 | -0.08 |
| May | 3.58 | 3.69 | -0.11 |
| Jun | 3.75 | 4.03 | -0.28 |
| Jul | 4.44 | 4.23 | 0.21 |
| Aug | 4.83 | 4.58 | 0.25 |
| Sep | 4.19 | 4.40 | -0.21 |
| Oct | 4.11 | 4.27 | -0.16 |
| Nov | 3.31 | 3.31 | 0.00 |
| Dec | 3.76 | 3.94 | -0.18 |
45.93 | 46.54 | -0.61 |