| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.30 | -0.21 |
| Feb | 5.28 | 5.00 | 0.28 |
| Mar | 5.43 | 5.58 | -0.15 |
| Apr | 4.95 | 4.86 | 0.09 |
| May | 4.13 | 4.36 | -0.23 |
| Jun | 4.41 | 4.63 | -0.22 |
| Jul | 4.58 | 5.18 | -0.60 |
| Aug | 4.00 | 3.85 | 0.15 |
| Sep | 4.56 | 4.70 | -0.14 |
| Oct | 3.54 | 3.50 | 0.04 |
| Nov | 4.50 | 4.51 | -0.01 |
| Dec | 5.57 | 5.78 | -0.21 |
56.04 | 57.25 | -1.21 |