| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 4.95 | 0.08 |
| Feb | 5.31 | 5.18 | 0.13 |
| Mar | 5.19 | 5.08 | 0.11 |
| Apr | 5.03 | 5.19 | -0.16 |
| May | 3.87 | 4.33 | -0.46 |
| Jun | 4.50 | 4.63 | -0.13 |
| Jul | 4.60 | 5.33 | -0.73 |
| Aug | 3.90 | 3.69 | 0.21 |
| Sep | 4.08 | 4.08 | 0.00 |
| Oct | 3.48 | 3.05 | 0.43 |
| Nov | 4.58 | 4.11 | 0.47 |
| Dec | 5.91 | 5.68 | 0.23 |
55.48 | 55.30 | 0.18 |