| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.87 | -0.10 |
| Feb | 0.71 | 0.72 | -0.01 |
| Mar | 1.10 | 1.13 | -0.03 |
| Apr | 1.82 | 2.00 | -0.18 |
| May | 2.99 | 3.03 | -0.04 |
| Jun | 4.40 | 4.19 | 0.21 |
| Jul | 3.93 | 4.15 | -0.22 |
| Aug | 3.34 | 3.20 | 0.14 |
| Sep | 2.97 | 3.17 | -0.20 |
| Oct | 2.60 | 2.67 | -0.07 |
| Nov | 1.33 | 1.42 | -0.09 |
| Dec | 0.99 | 1.10 | -0.11 |
26.95 | 27.65 | -0.70 |