| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.68 | 0.02 |
| Feb | 0.76 | 0.76 | 0.00 |
| Mar | 1.37 | 1.40 | -0.03 |
| Apr | 2.36 | 2.47 | -0.11 |
| May | 3.47 | 3.50 | -0.03 |
| Jun | 4.42 | 4.43 | -0.01 |
| Jul | 4.28 | 4.23 | 0.05 |
| Aug | 3.70 | 3.74 | -0.04 |
| Sep | 2.99 | 2.93 | 0.06 |
| Oct | 2.74 | 2.73 | 0.01 |
| Nov | 1.31 | 1.31 | 0.00 |
| Dec | 0.89 | 0.95 | -0.06 |
28.99 | 29.13 | -0.14 |