| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.71 | -0.13 |
| Feb | 3.96 | 4.08 | -0.12 |
| Mar | 4.68 | 4.61 | 0.07 |
| Apr | 4.93 | 4.93 | 0.00 |
| May | 5.21 | 5.11 | 0.10 |
| Jun | 4.71 | 4.69 | 0.02 |
| Jul | 4.27 | 4.41 | -0.14 |
| Aug | 3.35 | 3.54 | -0.19 |
| Sep | 3.68 | 3.67 | 0.01 |
| Oct | 3.90 | 4.03 | -0.13 |
| Nov | 3.59 | 3.76 | -0.17 |
| Dec | 4.40 | 4.55 | -0.15 |
50.26 | 51.09 | -0.83 |