| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.77 | -0.08 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 1.44 | 1.54 | -0.10 |
| Apr | 2.76 | 2.85 | -0.09 |
| May | 4.03 | 4.15 | -0.12 |
| Jun | 4.42 | 4.41 | 0.01 |
| Jul | 3.97 | 4.15 | -0.18 |
| Aug | 3.99 | 4.07 | -0.08 |
| Sep | 3.23 | 3.27 | -0.04 |
| Oct | 2.71 | 2.71 | 0.00 |
| Nov | 1.46 | 1.55 | -0.09 |
| Dec | 0.99 | 1.14 | -0.15 |
30.50 | 31.47 | -0.97 |