| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.65 | 0.00 |
| Feb | 0.77 | 0.75 | 0.02 |
| Mar | 1.57 | 1.56 | 0.01 |
| Apr | 2.63 | 2.53 | 0.10 |
| May | 4.83 | 4.93 | -0.10 |
| Jun | 4.31 | 4.24 | 0.07 |
| Jul | 3.53 | 3.51 | 0.02 |
| Aug | 3.51 | 3.49 | 0.02 |
| Sep | 2.64 | 2.59 | 0.05 |
| Oct | 2.19 | 2.17 | 0.02 |
| Nov | 1.26 | 1.28 | -0.02 |
| Dec | 1.02 | 1.01 | 0.01 |
28.91 | 28.71 | 0.20 |