| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.16 | -0.06 |
| Feb | 1.36 | 1.41 | -0.05 |
| Mar | 2.16 | 2.26 | -0.10 |
| Apr | 3.68 | 3.77 | -0.09 |
| May | 4.60 | 4.67 | -0.07 |
| Jun | 5.38 | 5.23 | 0.15 |
| Jul | 4.24 | 4.23 | 0.01 |
| Aug | 4.30 | 4.11 | 0.19 |
| Sep | 3.63 | 3.39 | 0.24 |
| Oct | 2.92 | 2.93 | -0.01 |
| Nov | 2.16 | 2.19 | -0.03 |
| Dec | 1.58 | 1.62 | -0.04 |
37.11 | 36.97 | 0.14 |