| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.74 | -0.01 |
| Feb | 1.11 | 1.19 | -0.08 |
| Mar | 2.14 | 2.11 | 0.03 |
| Apr | 3.60 | 3.65 | -0.05 |
| May | 4.90 | 4.69 | 0.21 |
| Jun | 4.71 | 4.80 | -0.09 |
| Jul | 4.82 | 4.74 | 0.08 |
| Aug | 3.90 | 3.96 | -0.06 |
| Sep | 3.40 | 3.44 | -0.04 |
| Oct | 2.82 | 2.74 | 0.08 |
| Nov | 1.76 | 1.77 | -0.01 |
| Dec | 1.26 | 1.17 | 0.09 |
35.15 | 35.00 | 0.15 |