| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.11 | 0.06 |
| Feb | 1.10 | 1.07 | 0.03 |
| Mar | 2.00 | 1.85 | 0.15 |
| Apr | 3.77 | 3.73 | 0.04 |
| May | 4.61 | 4.75 | -0.14 |
| Jun | 5.44 | 5.36 | 0.08 |
| Jul | 4.52 | 4.51 | 0.01 |
| Aug | 4.22 | 4.38 | -0.16 |
| Sep | 3.87 | 4.03 | -0.16 |
| Oct | 2.65 | 2.82 | -0.17 |
| Nov | 2.06 | 1.93 | 0.13 |
| Dec | 1.38 | 1.44 | -0.06 |
36.79 | 36.98 | -0.19 |