| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.47 | -0.01 |
| Feb | 0.68 | 0.60 | 0.08 |
| Mar | 0.98 | 0.99 | -0.01 |
| Apr | 2.40 | 2.43 | -0.03 |
| May | 3.42 | 3.42 | 0.00 |
| Jun | 3.77 | 3.88 | -0.11 |
| Jul | 2.85 | 2.73 | 0.12 |
| Aug | 2.58 | 2.60 | -0.02 |
| Sep | 2.06 | 2.05 | 0.01 |
| Oct | 1.75 | 1.80 | -0.05 |
| Nov | 0.69 | 0.66 | 0.03 |
| Dec | 0.51 | 0.53 | -0.02 |
22.15 | 22.16 | -0.01 |