| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.39 | 0.04 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.13 | 1.14 | -0.01 |
| Apr | 2.45 | 2.47 | -0.02 |
| May | 3.73 | 3.82 | -0.09 |
| Jun | 3.55 | 3.75 | -0.20 |
| Jul | 3.21 | 3.28 | -0.07 |
| Aug | 2.89 | 2.82 | 0.07 |
| Sep | 1.80 | 1.75 | 0.05 |
| Oct | 1.83 | 1.81 | 0.02 |
| Nov | 0.76 | 0.74 | 0.02 |
| Dec | 0.51 | 0.54 | -0.03 |
22.93 | 23.12 | -0.19 |