| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.71 | -0.21 |
| Feb | 3.32 | 3.47 | -0.15 |
| Mar | 3.71 | 3.90 | -0.19 |
| Apr | 3.18 | 3.30 | -0.12 |
| May | 3.94 | 3.92 | 0.02 |
| Jun | 4.75 | 4.86 | -0.11 |
| Jul | 6.35 | 6.19 | 0.16 |
| Aug | 6.80 | 7.10 | -0.30 |
| Sep | 7.24 | 7.91 | -0.67 |
| Oct | 4.56 | 4.64 | -0.08 |
| Nov | 3.43 | 3.53 | -0.10 |
| Dec | 3.61 | 3.75 | -0.14 |
54.39 | 56.28 | -1.89 |