| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.98 | -0.19 |
| Feb | 2.33 | 2.57 | -0.24 |
| Mar | 3.15 | 3.27 | -0.12 |
| Apr | 4.52 | 4.73 | -0.21 |
| May | 4.32 | 4.54 | -0.22 |
| Jun | 4.96 | 5.14 | -0.18 |
| Jul | 4.10 | 4.16 | -0.06 |
| Aug | 3.14 | 3.11 | 0.03 |
| Sep | 2.91 | 3.01 | -0.10 |
| Oct | 3.51 | 3.74 | -0.23 |
| Nov | 3.45 | 3.44 | 0.01 |
| Dec | 2.83 | 2.97 | -0.14 |
42.01 | 43.66 | -1.65 |