| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.83 | -0.13 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.49 | 1.56 | -0.07 |
| Apr | 2.86 | 2.95 | -0.09 |
| May | 4.13 | 4.32 | -0.19 |
| Jun | 4.44 | 4.60 | -0.16 |
| Jul | 4.03 | 4.14 | -0.11 |
| Aug | 4.11 | 4.18 | -0.07 |
| Sep | 3.25 | 3.30 | -0.05 |
| Oct | 2.73 | 2.66 | 0.07 |
| Nov | 1.50 | 1.54 | -0.04 |
| Dec | 1.01 | 1.19 | -0.18 |
31.03 | 32.15 | -1.12 |