| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.68 | -0.03 |
| Feb | 1.80 | 1.74 | 0.06 |
| Mar | 2.47 | 2.38 | 0.09 |
| Apr | 3.77 | 3.71 | 0.06 |
| May | 4.60 | 4.76 | -0.16 |
| Jun | 5.26 | 5.17 | 0.09 |
| Jul | 4.13 | 4.15 | -0.02 |
| Aug | 4.05 | 4.05 | 0.00 |
| Sep | 3.58 | 3.65 | -0.07 |
| Oct | 2.93 | 2.82 | 0.11 |
| Nov | 2.40 | 2.31 | 0.09 |
| Dec | 2.02 | 2.00 | 0.02 |
38.66 | 38.42 | 0.24 |