| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.87 | -0.11 |
| Feb | 0.91 | 0.91 | 0.00 |
| Mar | 1.58 | 1.74 | -0.16 |
| Apr | 3.12 | 2.94 | 0.18 |
| May | 4.20 | 4.14 | 0.06 |
| Jun | 4.78 | 5.17 | -0.39 |
| Jul | 4.10 | 4.21 | -0.11 |
| Aug | 3.99 | 3.98 | 0.01 |
| Sep | 3.17 | 3.23 | -0.06 |
| Oct | 2.33 | 2.45 | -0.12 |
| Nov | 1.51 | 1.51 | 0.00 |
| Dec | 1.08 | 1.11 | -0.03 |
31.53 | 32.26 | -0.73 |