| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.10 | 0.00 |
| Feb | 2.51 | 2.62 | -0.11 |
| Mar | 3.68 | 3.73 | -0.05 |
| Apr | 3.48 | 3.46 | 0.02 |
| May | 4.00 | 4.04 | -0.04 |
| Jun | 4.06 | 3.89 | 0.17 |
| Jul | 4.33 | 4.09 | 0.24 |
| Aug | 3.45 | 3.56 | -0.11 |
| Sep | 4.64 | 4.86 | -0.22 |
| Oct | 3.82 | 3.77 | 0.05 |
| Nov | 3.13 | 3.14 | -0.01 |
| Dec | 3.50 | 3.57 | -0.07 |
43.70 | 43.83 | -0.13 |