| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.72 | -0.03 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.51 | 1.53 | -0.02 |
| Apr | 2.65 | 2.64 | 0.01 |
| May | 3.87 | 3.91 | -0.04 |
| Jun | 4.13 | 4.14 | -0.01 |
| Jul | 4.00 | 3.82 | 0.18 |
| Aug | 3.93 | 3.94 | -0.01 |
| Sep | 3.00 | 3.09 | -0.09 |
| Oct | 2.64 | 2.66 | -0.02 |
| Nov | 1.40 | 1.42 | -0.02 |
| Dec | 0.93 | 0.97 | -0.04 |
29.55 | 29.62 | -0.07 |