| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.66 | -0.04 |
| Feb | 0.58 | 0.63 | -0.05 |
| Mar | 1.08 | 1.14 | -0.06 |
| Apr | 1.91 | 2.05 | -0.14 |
| May | 3.12 | 3.28 | -0.16 |
| Jun | 4.26 | 4.27 | -0.01 |
| Jul | 3.78 | 3.97 | -0.19 |
| Aug | 2.81 | 2.95 | -0.14 |
| Sep | 2.86 | 2.92 | -0.06 |
| Oct | 2.55 | 2.64 | -0.09 |
| Nov | 1.02 | 1.09 | -0.07 |
| Dec | 0.74 | 0.91 | -0.17 |
25.33 | 26.51 | -1.18 |