| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.40 | -0.12 |
| Feb | 1.20 | 1.34 | -0.14 |
| Mar | 1.95 | 1.96 | -0.01 |
| Apr | 3.51 | 3.57 | -0.06 |
| May | 4.06 | 4.09 | -0.03 |
| Jun | 4.90 | 5.01 | -0.11 |
| Jul | 3.88 | 4.10 | -0.22 |
| Aug | 4.26 | 3.80 | 0.46 |
| Sep | 3.28 | 3.33 | -0.05 |
| Oct | 2.86 | 2.85 | 0.01 |
| Nov | 2.04 | 2.07 | -0.03 |
| Dec | 1.54 | 1.64 | -0.10 |
34.76 | 35.16 | -0.40 |