| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.55 | -0.01 |
| Feb | 0.57 | 0.59 | -0.02 |
| Mar | 1.00 | 1.02 | -0.02 |
| Apr | 1.63 | 1.53 | 0.10 |
| May | 3.10 | 3.17 | -0.07 |
| Jun | 3.67 | 3.83 | -0.16 |
| Jul | 3.46 | 3.52 | -0.06 |
| Aug | 2.55 | 2.37 | 0.18 |
| Sep | 2.46 | 2.43 | 0.03 |
| Oct | 2.02 | 1.95 | 0.07 |
| Nov | 0.64 | 0.70 | -0.06 |
| Dec | 0.64 | 0.66 | -0.02 |
22.28 | 22.32 | -0.04 |