| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.32 | -0.11 |
| Feb | 2.16 | 2.28 | -0.12 |
| Mar | 3.60 | 3.76 | -0.16 |
| Apr | 4.87 | 5.20 | -0.33 |
| May | 6.19 | 6.70 | -0.51 |
| Jun | 5.02 | 5.13 | -0.11 |
| Jul | 3.83 | 4.02 | -0.19 |
| Aug | 3.76 | 3.61 | 0.15 |
| Sep | 4.61 | 4.76 | -0.15 |
| Oct | 3.92 | 4.08 | -0.16 |
| Nov | 3.57 | 3.65 | -0.08 |
| Dec | 2.71 | 2.80 | -0.09 |
46.45 | 48.31 | -1.86 |