| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.82 | 0.04 |
| Feb | 0.90 | 0.95 | -0.05 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.71 | 2.80 | -0.09 |
| May | 3.69 | 3.83 | -0.14 |
| Jun | 4.16 | 4.22 | -0.06 |
| Jul | 4.19 | 4.13 | 0.06 |
| Aug | 3.87 | 3.92 | -0.05 |
| Sep | 3.56 | 3.56 | 0.00 |
| Oct | 3.05 | 3.23 | -0.18 |
| Nov | 1.71 | 1.64 | 0.07 |
| Dec | 1.23 | 1.23 | 0.00 |
31.44 | 31.84 | -0.40 |