| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.71 | 0.01 |
| Feb | 0.68 | 0.67 | 0.01 |
| Mar | 1.14 | 1.12 | 0.02 |
| Apr | 1.86 | 1.85 | 0.01 |
| May | 2.93 | 2.94 | -0.01 |
| Jun | 4.31 | 4.09 | 0.22 |
| Jul | 3.90 | 4.23 | -0.33 |
| Aug | 3.19 | 3.26 | -0.07 |
| Sep | 2.97 | 3.04 | -0.07 |
| Oct | 2.61 | 2.47 | 0.14 |
| Nov | 1.20 | 1.06 | 0.14 |
| Dec | 0.92 | 0.90 | 0.02 |
26.43 | 26.34 | 0.09 |