| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.73 | -0.01 |
| Feb | 1.80 | 1.95 | -0.15 |
| Mar | 3.31 | 3.30 | 0.01 |
| Apr | 4.48 | 4.19 | 0.29 |
| May | 5.69 | 5.90 | -0.21 |
| Jun | 4.71 | 4.55 | 0.16 |
| Jul | 3.76 | 3.72 | 0.04 |
| Aug | 3.49 | 3.54 | -0.05 |
| Sep | 4.00 | 3.85 | 0.15 |
| Oct | 3.74 | 3.66 | 0.08 |
| Nov | 2.93 | 2.83 | 0.10 |
| Dec | 2.46 | 2.48 | -0.02 |
42.09 | 41.70 | 0.39 |