| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.76 | -0.05 |
| Feb | 1.13 | 1.18 | -0.05 |
| Mar | 2.00 | 2.03 | -0.03 |
| Apr | 3.32 | 3.44 | -0.12 |
| May | 4.78 | 4.78 | 0.00 |
| Jun | 4.71 | 5.00 | -0.29 |
| Jul | 4.32 | 4.30 | 0.02 |
| Aug | 3.95 | 3.79 | 0.16 |
| Sep | 3.14 | 3.22 | -0.08 |
| Oct | 2.55 | 2.62 | -0.07 |
| Nov | 1.61 | 1.63 | -0.02 |
| Dec | 1.20 | 1.29 | -0.09 |
33.42 | 34.04 | -0.62 |