| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.62 | 0.03 |
| Feb | 0.75 | 0.78 | -0.03 |
| Mar | 1.52 | 1.55 | -0.03 |
| Apr | 3.00 | 3.16 | -0.16 |
| May | 4.28 | 4.47 | -0.19 |
| Jun | 4.74 | 4.98 | -0.24 |
| Jul | 3.09 | 3.19 | -0.10 |
| Aug | 3.64 | 3.52 | 0.12 |
| Sep | 3.04 | 2.97 | 0.07 |
| Oct | 2.16 | 2.20 | -0.04 |
| Nov | 1.23 | 1.27 | -0.04 |
| Dec | 0.94 | 0.95 | -0.01 |
29.04 | 29.66 | -0.62 |