| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.88 | -0.03 |
| Feb | 0.84 | 0.87 | -0.03 |
| Mar | 1.64 | 1.67 | -0.03 |
| Apr | 2.86 | 2.94 | -0.08 |
| May | 3.97 | 4.26 | -0.29 |
| Jun | 4.80 | 5.06 | -0.26 |
| Jul | 4.13 | 4.14 | -0.01 |
| Aug | 4.47 | 4.64 | -0.17 |
| Sep | 3.34 | 3.42 | -0.08 |
| Oct | 2.56 | 2.55 | 0.01 |
| Nov | 1.52 | 1.61 | -0.09 |
| Dec | 1.15 | 1.19 | -0.04 |
32.13 | 33.23 | -1.10 |