| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.93 | -0.17 |
| Feb | 0.79 | 0.88 | -0.09 |
| Mar | 1.60 | 1.71 | -0.11 |
| Apr | 2.89 | 3.13 | -0.24 |
| May | 4.17 | 4.26 | -0.09 |
| Jun | 4.52 | 4.68 | -0.16 |
| Jul | 4.21 | 4.47 | -0.26 |
| Aug | 4.51 | 4.32 | 0.19 |
| Sep | 3.32 | 3.31 | 0.01 |
| Oct | 2.78 | 2.88 | -0.10 |
| Nov | 1.58 | 1.71 | -0.13 |
| Dec | 1.07 | 1.29 | -0.22 |
32.20 | 33.57 | -1.37 |