| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.88 | -0.06 |
| Feb | 0.86 | 0.88 | -0.02 |
| Mar | 1.68 | 1.68 | 0.00 |
| Apr | 2.92 | 2.95 | -0.03 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 4.94 | 5.00 | -0.06 |
| Jul | 4.30 | 4.18 | 0.12 |
| Aug | 4.51 | 4.64 | -0.13 |
| Sep | 3.26 | 3.41 | -0.15 |
| Oct | 2.63 | 2.62 | 0.01 |
| Nov | 1.57 | 1.62 | -0.05 |
| Dec | 1.15 | 1.21 | -0.06 |
32.78 | 33.38 | -0.60 |